Garmin Forerunner 965 vs Venu 4 45mm
Size, specs & wrist fit compared
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Which one fits you
On wrists narrower than about 50mm, the Venu 4 45mm is the safer pick — it stays proportionate down to roughly 47mm, where the Forerunner 965 starts to hang over the edge. Above 50mm both sit cleanly, and the Forerunner 965 gives you more presence.
The Forerunner 965 wears larger than the Venu 4 45mm (47.2mm vs 45mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.
The Venu 4 45mm is the slimmer of the two (12.5mm vs 13.2mm), so it slides under a cuff more easily.
On the wrist the Venu 4 45mm feels lighter (38g vs 53g, case only).
The Forerunner 965 is middle-of-the-pack for thickness among the 89 47mm watches in the database.
Among the 385 45mm watches we hold thickness for, the Venu 4 45mm is thinner than 70%, so it wears flatter than its width suggests.
The Forerunner 965 is 2.2mm wider, 2.2mm longer, 0.7mm thicker and 15g heavier than the Venu 4 45mm. Both are circular.
Forerunner® 965
Venu 4 45mm
Case width
47.2mm
45mm−2.2mm
Lug-to-lug
47.2mm
45mm−2.2mm
Thickness
13.2mm
12.5mm−0.7mm
Weight
53g
38g−15g
Switch or add watches
Garmin
Forerunner® 965
Garmin
Venu 4 45mm
Fit tool
Watch Fit Tool
For sports watches, lug-to-lug (L2L) is what matters most — it decides whether a watch overhangs your wrist. Bulky is fine; overhang is not.
Your wrist
mm
≈ 146.9mm aroundHow to Measure Your Wrist
1
Measure at the point where you wear your watch — typically just below the wrist bone.
2
Flat width — lay your arm on a table, palm facing up, and measure straight across the top of your wrist with a ruler. Bone to bone; do not follow the curve down the sides.
3
Around — wrap a tape measure snugly round the wrist. No tape? Wrap a strip of paper, mark the overlap and hold the strip against a ruler.
⚠ Important
Width ≠ circumference. They are different numbers — around 170mm is about 64mm across — so set the toggle to whichever one you actually measured before you type it in.
Garmin Forerunner® 965
Case 47.2mm · Lug-to-lug 47.2mm · Thickness 13.2mm · 53g
Sweet Spot
47.2mm on a 55mm wrist
Understated Balanced Sweet Spot Bold Overhang ⚠
Across the wrist it works — 3.9mm spare each side — but wide enough that the edge of the case back lifts clear of the skin.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 47.2mm.
How to Measure
Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.
- 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
- 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Against one you know
Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.
Show the measurementsHide the measurements
- Across the wrist3.9mm spare each side
Fills the wrist without reaching the edge.
- Off the wrist13.2mm off the skin
Normal sports-watch height for a wrist this size. (13.2mm case, back against the skin)
- How it seats~6.2mm under the rim
Wide enough that the edge of the case back lifts clear of the skin.
- Weight on the wrist53g
Light enough to forget you have it on. (1.0g per mm of wrist)
Garmin Venu 4 45mm
Case 45.0mm · Lug-to-lug 45.0mm · Thickness 12.5mm · 38g
Balanced Fit
45mm on a 55mm wrist
Understated Balanced Sweet Spot Bold Overhang ⚠
Comfortably inside the edges of your wrist, and it seats and sits low enough to wear without thinking about it.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 45mm, so you could go bigger.
How to Measure
Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.
- 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
- 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Against one you know
Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.
Show the measurementsHide the measurements
- Across the wrist5.0mm spare each side
Comfortable, with visible skin either side.
- Off the wrist12.5mm off the skin
Normal sports-watch height for a wrist this size. (12.5mm case, back against the skin)
- How it seats~5.2mm under the rim
Seats well, with the case back following most of the wrist.
- Weight on the wrist38g
Light enough to forget you have it on. (0.7g per mm of wrist)
2D Dimension Schematics
Every case drawn to scale on a shared centre — from above, and in profile against the wrist.
Highlight
- Garmin Forerunner® 96547.2mm · 13.2mm thick
- Garmin Venu 4 45mm45mm · 12.5mm thick
3D preview
Forerunner® 965 vs Venu 4 45mm on a wrist
Sized to your own wrist, turned any way you like.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
Battery life compared
Furthest apart in Smartwatch mode, where the Forerunner 965 lasts 1.9× as long as the Venu 4 45mm (23 days against 12 days).
Forerunner 965Venu 4 45mm
Smartwatch
23 days12 daysGPS-only without music
31 hours—SatIQ GNSS
22 hours—All-Systems GNSS + Multi-Band
19 hours—GPS-Only GNSS with music
10.5 hours—SatIQ GNSS with music
9.5 hours—All-Systems GNSS + Multi-Band with music
8.5 hours—
Specifications
The short version
7 key specs| Spec | GarminForerunner® 965 | GarminVenu 4 45mm |
|---|---|---|
| Case Width | 47.2mm | 45mm |
| Thickness | 13.2mm | 12.5mm |
| Weight | 53g | 38g |
| Shape | Circular | Circular |
| Display type | AMOLED (optional always-on mode) | AMOLED (optional always-on mode) |
| Battery life | Smartwatch mode: Up to 23 days GPS-only mode without music: Up to 31 hours SatIQ (AutoSelect) GNSS mode: Up to 22 hours All-Systems GNSS mode + Multi-Band: Up to 19 hours GPS-Only GNSS mode with music: Up to 10.5 hours SatIQ (AutoSelect) GNSS mode with music: Up to 9.5 hours All-Systems GNSS mode + Multi-Band with music: Up to 8.5 hours See Details | Smartwatch mode: Up to 12 days (4 days display always-on) Battery Saver Smartwatch mode: Up to 25 days GPS-Only GNSS mode: Up to 20 hours All-Systems GNSS mode: Up to 19 hours All-Systems GNSS mode with music: Up to 9 hours All-Systems GNSS mode + Multi-band: Up to 17 hours All-Systems GNSS mode + Multi-band with music: Up to 9 hours See Details |
| Released | 2023 | 2025 |
Every specification
536 specs| Spec | Garmin Forerunner® 965 | Garmin Venu 4 45mm |
|---|---|---|
| Overview | ||
| Family | Garmin | Garmin |
| General | ||
| Battery life | Smartwatch mode: Up to 23 days GPS-only mode without music: Up to 31 hours SatIQ (AutoSelect) GNSS mode: Up to 22 hours All-Systems GNSS mode + Multi-Band: Up to 19 hours GPS-Only GNSS mode with music: Up to 10.5 hours SatIQ (AutoSelect) GNSS mode with music: Up to 9.5 hours All-Systems GNSS mode + Multi-Band with music: Up to 8.5 hours See Details | Smartwatch mode: Up to 12 days (4 days display always-on) Battery Saver Smartwatch mode: Up to 25 days GPS-Only GNSS mode: Up to 20 hours All-Systems GNSS mode: Up to 19 hours All-Systems GNSS mode with music: Up to 9 hours All-Systems GNSS mode + Multi-band: Up to 17 hours All-Systems GNSS mode + Multi-band with music: Up to 9 hours See Details |
| Battery type | Lithium ion | Lithium ion |
| Display Size | 1.4" (35.4 mm) diameter | 1.4" (35.3 mm) diameter |
| Color display | Yes | Yes |
| Lens Material | Corning® Gorilla® Glass 3 DX | — |
| Bezel Material | titanium | — |
| Memory/History | 32 GB | 8 GB |
| Strap material | silicone | silicone |
| Charging method | Garmin proprietary plug charger | Garmin proprietary plug charger |
| Large font option | Yes | Yes |
| Display resolution | 454 x 454 pixels | 454 x 454 pixels |
| QuickFit® watch band compatible | yes (22 mm compatible) | — |
| Weight | — | 38 g (56 g with included band) |
| Case material | — | stainless steel and fiber-reinforced polymer |
| Lens material | — | Corning® Gorilla® Glass 3 |
| Physical size | — | 45 x 45 x 12.5 mm Fits wrists with a circumference of 135-200 mm |
| Bezel material | — | stainless steel |
| Quick Release bands | — | yes (22 mm, Industry standard) |
| Built-in speaker/microphone | — | Yes |
| Sensors | ||
| GPS | Yes | — |
| QZSS | Yes | — |
| BeiDou | Yes | — |
| Compass | Yes | — |
| GLONASS | Yes | — |
| Galileo | Yes | — |
| Gyroscope | Yes | — |
| Thermometer | Yes | — |
| Accelerometer | Yes | — |
| SatIQ™ Technology | Yes | — |
| Ambient light sensor | Yes | — |
| Barometric altimeter | Yes | — |
| Pulse Ox Blood Oxygen Saturation Monitor | Yes | — |
| Garmin Elevate™ wrist heart rate monitor | Yes | — |
| Stocks | — | Yes |
| Calendar | — | Yes |
| Passcode | — | Yes |
| Calculator | — | Yes |
| Color shift | — | Yes |
| Connectivity | — | Bluetooth®, ANT+®, Wi-Fi® |
| Garmin Share | — | Yes |
| Hourly alert | — | Yes |
| Color filters | — | Yes |
| Find My Phone | — | Yes |
| Voice command | — | Yes |
| Evening report | — | Yes |
| Morning report | — | Yes |
| Red shift mode | — | Yes |
| Spoken watch face | — | Yes |
| Weather forecasts | — | Yes |
| Smart Notifications | — | Yes |
| Smart trainer control | — | Yes |
| Smartphone compatibility | — | iPhone®, Android™ |
| Controls smartphone music | — | Yes |
| On-device Connect IQ™ Store | — | Yes |
| Plays and controls watch music | — | Yes |
| Find My Phone during GPS activity | — | Yes |
| Pairs with Garmin Connect™ Mobile | — | Yes |
| Compatible with Garmin Messenger app | — | Yes |
| Find My Garmin (helps locate lost device) | — | Yes |
| Battery saver (customizable low power watch) | — | Yes |
| Bluetooth phone calling and voice assistant support | — | Yes |
| Realtime settings sync with Garmin Connect™ mobile | — | Yes |
| View images from notifications on watch (Android™ only) | — | Yes |
| Text response/reject phone call with text (Android™ only) | — | Yes |
| Connect IQ™ (downloadable watch faces, data fields and apps) | — | Yes |
| Product Info | ||
| Main SKU | 010-02809-01 | — |
| Product ID | 886725 | — |
| Product Name | Forerunner® 965 | — |
| Release Date | 3/2/2023 | — |
| Product Variation | Titanium Bezel with Whitestone Case and Whitestone/Powder Gray Silicone Band | — |
| Clock Features | ||
| Timer | Yes | — |
| Stopwatch | Yes | — |
| Time/date | Yes | — |
| Alarm clock | Yes | — |
| GPS Time Sync | Yes | — |
| Sunrise/sunset times | Yes | — |
| Automatic daylight saving time | Yes | — |
| Sleep | — | yes (advanced) |
| Hydration | — | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Breathwork | — | Yes |
| Meditation | — | Yes |
| Fitness age | — | Yes |
| Sleep coach | — | Yes |
| Health status | — | Yes |
| Nap detection | — | Yes |
| All-day stress | — | Yes |
| Women's health | — | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Health snapshot | — | Yes |
| Jet lag adviser | — | Yes |
| Sleep alignment | — | Yes |
| Respiration rate | — | Yes |
| Skin temperature | — | Yes |
| Lifestyle logging | — | Yes |
| Resting heart rate | — | Yes |
| Breathing variations | — | Yes |
| Relaxation reminders | — | Yes |
| Past ovulation estimates | — | Yes |
| Abnormal heart rate alerts | — | yes (high and low) |
| Relaxation breathing timer | — | Yes |
| Body Battery™ energy monitor | — | Yes |
| Heart rate (constant, every second) | — | Yes |
| Cycling Features | ||
| Courses | Yes | — |
| Power guide | Yes | — |
| MTB Grit & Flow | Yes | — |
| Race an activity | Yes | — |
| Power meter compatible | Yes | — |
| Advanced cycling dynamics | Yes | — |
| Power curve and % FTP workouts | Yes | — |
| Compatible with Varia™ lights | Yes | — |
| FTP (Functional Threshold Power) | yes (with compatible accessory) | — |
| Compatible with Varia headlight camera | Yes | — |
| Speed and cadence sensor support (w/sensor) | Yes | — |
| Cycle Map (routable cycling-specific street map) | Yes | — |
| Bike lap and lap maximum power (with power sensor) | Yes | — |
| Compatible with Varia™ radar (rear-facing radar) | Yes | — |
| Compatible with Vector™ and Rally™ (power meters) | Yes | — |
| Compatible with Varia Vision™ (head-mounted display) | Yes | — |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes | — |
| Pool swim workouts | — | Yes |
| Time and distance alerts | — | Yes |
| Auto rest (pool swim only) | — | Yes |
| Underwater wrist-based heart rate | — | Yes |
| Basic rest timer (up from 0) (pool swim only) | — | Yes |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | — | Yes |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | — | Yes |
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | — | Yes |
| Golfing Features | ||
| PinPointer | Yes | — |
| Handicap scoring | Yes | — |
| Digital scorecard | Yes | — |
| Garmin AutoShot™ | Yes | — |
| Round timer/odometer | Yes | — |
| Yardage to layups/doglegs | Yes | — |
| Hazards and course targets | Yes | — |
| Pairs with Garmin Golf app | Yes | — |
| Green View with manual pin position | Yes | — |
| Preloaded with 43,000 courses worldwide | Yes | — |
| Yardage to F/M/B (distance to front, middle and back of green) | Yes | — |
| Stat tracking (strokes, putts per round, greens and fairways hit) | Yes | — |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | automatic | — |
| Auto rest | — | Yes |
| UltraTrac mode | — | Yes |
| Vertical speed | — | Yes |
| Elevation profile | — | Yes |
| Total ascent/descent | — | Yes |
| Future elevation plot | — | Yes |
| Distance to destination | — | Yes |
| Sun and moon information | — | Yes |
| Barometric trend indicator with storm alert | — | Yes |
| Running Features | ||
| Hill score | Yes | — |
| Run workouts | Yes | — |
| Running power | Yes | — |
| Race predictor | Yes | — |
| Foot pod capable | Yes | — |
| Running dynamics | Yes | — |
| Lactate threshold | Yes | — |
| Grade-adjusted pace | Yes | — |
| Trail run auto climb | Yes | — |
| Performance condition | Yes | — |
| Run/Walk/Stand detection | Yes | — |
| Stride length (real time) | Yes | — |
| PacePro™ Pacing Strategies | Yes | — |
| Vertical oscillation and ratio | Yes | — |
| Ground contact time and balance | yes (with compatible accessory) | — |
| GPS-based distance, time and pace | Yes | — |
| Course- and weather-specific race predictor | Yes | — |
| Cadence (provides real-time number of steps per minute) | Yes | — |
| PinPointer | — | Yes |
| Tournament legal | — | Yes |
| Digital scorecard | — | Yes |
| Garmin AutoShot™ | — | Yes |
| Round timer/odometer | — | Yes |
| Yardage to layups/doglegs | — | Yes |
| Hazards and course targets | — | Yes |
| Pairs with Garmin Golf app | — | Yes |
| Green View with manual pin position | — | Yes |
| CT1 Automatic club tracking compatible (requires accessory) | — | Yes |
| CT10 Automatic club tracking compatible (requires accessory) | — | Yes |
| Yardage to F/M/B (distance to front, middle and back of green) | — | Yes |
| Stat tracking (strokes, putts per round, greens and fairways hit) | — | Yes |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | — | automatic |
| What You'll Love | ||
| Touchscreen | Yes | Yes |
| Display type | AMOLED (optional always-on mode) | AMOLED (optional always-on mode) |
| Water rating | 5 ATM | Swim, 5 ATM |
| Garmin Pay™ | Yes | Yes |
| Music storage | Yes | Yes |
| Multi-band GPS | Yes | Yes |
| Training status | yes (improved) | yes (improved) |
| Built-in mapping | Yes | — |
| Training readiness | Yes | Yes |
| Pulse Ox blood oxygen | yes (spot-check, and optional all-day acclimation and in sleep) | yes (spot-check, and optional all-day acclimation and in sleep) |
| Sleep score and insights | Yes | Yes |
| Battery life (smartwatch mode) | Up to 23 days | Up to 12 days |
| Timer | — | Yes |
| Stopwatch | — | Yes |
| Time/date | — | Yes |
| Alarm clock | — | Yes |
| GPS Time Sync | — | Yes |
| Garmin ECG App | — | Yes |
| LED flashlight | — | Yes |
| Wheelchair mode | — | Yes |
| Smart wake alarm | — | Yes |
| Sunrise/sunset times | — | Yes |
| Automatic daylight saving time | — | Yes |
| Make calls and send texts via voice | — | yes (with paired compatible smartphone) |
| Activity Profiles | ||
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping | — |
| Swim | Pool Swimming, Open Water Swimming | — |
| Cycling | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX | — |
| Wellness | Walking, Pilates, Yoga, Indoor Walking | — |
| Multisport | Swimming/Running, Triathlon | — |
| In the ring | Boxing, Mixed Martial Arts | — |
| Team sports | Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball | — |
| Motor sports | Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling | — |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking | — |
| Racket sports | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball | — |
| Snow & winter | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, XC Skate Skiing, Backcountry Skiing, Ice Skating, Snowshoeing | — |
| Indoor running | Treadmill Running, Indoor Track Running, Virtual Running | — |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running | — |
| Outdoor recreation | Hiking, Mountaineering, Indoor Climbing, Bouldering, Golfing, Disc Golf, Archery | — |
| Other activity profiles | Inline skating | — |
| Assistance | — | Yes |
| Live Event Sharing | — | Yes |
| Incident Detection during select activities | — | Yes |
| Incident detection alert on phone for wearables | — | Yes |
| Swimming Features | ||
| Pool swim workouts | Yes | — |
| Critical swim speed | Yes | — |
| Time and distance alerts | Yes | — |
| Auto rest (pool swim only) | Yes | — |
| Drill logging (pool swim only) | Yes | — |
| Pacing alerts (pool swim only) | Yes | — |
| Countdown start (pool swim only) | Yes | — |
| Underwater wrist-based heart rate | Yes | — |
| "Repeat on" rest timer (pool swim only) | Yes | — |
| Basic rest timer (up from 0) (pool swim only) | Yes | — |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | Yes | — |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | Yes | — |
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | Yes | — |
| Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | yes (with HRM-Swim, HRM-Pro, HRM-Pro Plus or HRM 600) | — |
| Outdoor Recreation | ||
| Up Ahead | Yes | Yes |
| Auto rest | Yes | — |
| TracBack® | Yes | Yes |
| Sight 'N Go | Yes | — |
| Back to start | Yes | Yes |
| Fish forecast | yes (via Connect IQ™) | — |
| Explore Nearby | Yes | — |
| UltraTrac mode | Yes | — |
| Vertical speed | Yes | — |
| GPS coordinates | Yes | — |
| Area calculation | yes (via Connect IQ™) | — |
| Elevation profile | Yes | — |
| Projected waypoint | Yes | — |
| Total ascent/descent | Yes | — |
| Future elevation plot | Yes | — |
| NextFork™ navigation | Yes | — |
| Distance to destination | Yes | — |
| Sun and moon information | Yes | — |
| Point-to-point navigation | Yes | Yes |
| Preloaded ski resort maps | Yes | — |
| ClimbPro™ Ascent Planner | Yes | — |
| Rest Timer (Ultra Run only) | Yes | — |
| Preloaded road and trail maps | Yes | — |
| Bread crumb trail in real time | Yes | Yes |
| Downloadable cartography support | Yes | — |
| Barometric trend indicator with Storm Alert | Yes | — |
| Daily Smart Features | ||
| Stocks | yes (optional Connect IQ app) | — |
| Calendar | Yes | — |
| Passcode | Yes | — |
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® | — |
| Garmin Share | Yes | — |
| Find My Phone | Yes | — |
| Find My Watch | Yes | — |
| VIRB® Remote | Yes | — |
| Morning report | Yes | — |
| Red shift mode | Yes | — |
| Weather forecasts | Yes | — |
| Smart Notifications | Yes | — |
| Smart trainer control | Yes | — |
| Smartphone compatibility | iPhone®, Android™ | — |
| Controls smartphone music | Yes | — |
| On-device Connect IQ™ Store | Yes | — |
| Plays and controls watch music | Yes | — |
| Find My Phone during GPS activity | Yes | — |
| Pairs with Garmin Connect™ Mobile | Yes | — |
| Compatible with Garmin Messenger app | Yes | — |
| Battery saver (customizable low power watch) | Yes | — |
| Realtime settings sync with Garmin Connect™ mobile | Yes | — |
| View images from notifications on watch (Android™ only) | Yes | — |
| Text response/reject phone call with text (Android™ only) | Yes | — |
| Connect IQ™ (downloadable watch faces, data fields and apps) | Yes | — |
| HIIT workouts | — | Yes |
| Yoga workouts | — | Yes |
| Cardio workouts | — | Yes |
| Pilates workouts | — | Yes |
| Strength workouts | — | Yes |
| Multisport workouts | — | Yes |
| Garmin Cycling Coach | — | Yes |
| Garmin Running Coach | — | Yes |
| Garmin fitness coach | — | Yes |
| Garmin Coach - Strength | — | Yes |
| Mixed session multisport | — | Yes |
| Garmin Running Coach Experts | — | Yes |
| On-screen workout animations | — | Yes |
| On-screen workout muscle maps | — | Yes |
| Workouts for wheelchair users | — | Yes |
| Garmin Coach - Prebuilt Cycling Plans | — | Yes |
| Daily suggested workout - Cycling (heart rate based) | — | Yes |
| Daily suggested workout - Fitness (heart rate based) | — | Yes |
| Daily suggested workout - Running (heart rate based) | — | Yes |
| Daily suggested workout - Walking (heart rate based) | — | Yes |
| Activity Tracking Features | ||
| TrueUp™ | Yes | — |
| Move IQ™ | Yes | — |
| Step counter | Yes | — |
| Floors climbed | Yes | — |
| Calories burned | Yes | — |
| Distance traveled | Yes | — |
| Intensity minutes | Yes | — |
| Automatic rep counting | Yes | — |
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) | — |
| Move alerts (displays on device after a period of inactivity) | Yes | — |
| Auto goal (learns your activity level and assigns a daily step goal) | Yes | — |
| % HRR | — | Yes |
| % HR max | — | Yes |
| HR zones | — | Yes |
| HR alerts | — | Yes |
| Shortcuts | — | Yes |
| HRV status | — | Yes |
| Load ratio | — | Yes |
| Manual lap | — | Yes |
| Rest timer | — | Yes |
| Auto scroll | — | Yes |
| Finish time | — | Yes |
| HR calories | — | Yes |
| Voice alerts | — | Yes |
| Custom alerts | — | Yes |
| Physio TrueUp | — | Yes |
| Recovery time | — | Yes |
| Training load | — | Yes |
| VO2 Max (Run) | — | Yes |
| Course guidance | — | Yes |
| Training effect | — | Yes |
| Virtual Partner | — | Yes |
| Workout benefit | — | Yes |
| Race an Activity | — | Yes |
| Advanced workouts | — | Yes |
| Interval training | — | Yes |
| Race glance/widget | — | Yes |
| Training load focus | — | Yes |
| VO2 Max (Trail Run) | — | Yes |
| GPS speed and distance | — | Yes |
| Configurable lap alerts | — | Yes |
| Customizable data pages | — | Yes |
| Unified training status | — | Yes |
| Touch and/or button lock | — | Yes |
| Activity history on watch | — | Yes |
| Multisport auto transition | — | Yes |
| Downloadable training plans | — | Yes |
| Training effect (anaerobic) | — | Yes |
| Manual multisport activities | — | Yes |
| HRM running pace and distance | — | Yes |
| Heat and altitude acclimation | — | Yes |
| Customizable activity profiles | — | Yes |
| Auto Pause® automatic timer halt | — | Yes |
| Respiration rate (during exercise) | — | yes (with compatible accessory) |
| Auto Lap® interval tracking feature | — | Yes |
| Primary benefit (Training Effect labels) | — | Yes |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | — | Yes |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | — | Yes |
| Workout and Training Plans | ||
| HIIT workouts | Yes | — |
| Yoga workouts | Yes | — |
| Cardio workouts | Yes | — |
| Pilates workouts | Yes | — |
| Strength workouts | Yes | — |
| Garmin Cycling Coach | Yes | — |
| Garmin Running Coach | Yes | — |
| Garmin Coach - Strength | Yes | — |
| Garmin Running Coach Experts | Yes | — |
| On-screen workout animations | Yes | — |
| On-screen workout muscle maps | Yes | — |
| Garmin Coach - Prebuilt Cycling Plans | Yes | — |
| Daily Suggested Workout - Cycling (Pace and Heart Rate Based) | Yes | — |
| Daily Suggested Workout - Running (Pace and Heart Rate Based) | Yes | — |
| Gym | — | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping |
| Swim | — | Pool Swimming, Open Water Swimming |
| Cycling | — | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX |
| Wellness | — | Walking, Pilates, Yoga , Indoor Walking, Mobility, Meditation, Breathwork |
| Multisport | — | Triathlon, Duathlon, Brick, Pool Triathlon, Swim/Run, Mixed Session |
| In the ring | — | Boxing, Mixed Martial Arts |
| Team sports | — | Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball |
| Motor sports | — | Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling |
| On the water | — | Stand Up Paddleboarding, Rowing, Kayaking, Fishing, Snorkeling |
| Racket sports | — | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball |
| Indoor running | — | Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor running | — | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing, Adventure Racing |
| Snow and winter | — | Skiing, Snowboarding, XC Classic Skiing, XC Skate Skiing, Ice Skating, Snowshoeing |
| Outdoor recreation | — | Hiking, Rucking, Mountaineering, Indoor Climbing, Bouldering, Horseback Riding, Golfing, Disc Golf, Archery |
| Other activity profiles | — | Inline Skating, Gaming. Breathwork |
| Health & Wellness Monitoring | ||
| Sleep | yes (advanced) | — |
| Hydration | yes (in Garmin Connect™ and optional Connect IQ™ widget) | — |
| Breathwork | Yes | — |
| Meditation | Yes | — |
| Fitness age | Yes | — |
| Sleep coach | Yes | — |
| Nap detection | Yes | — |
| All-day stress | Yes | — |
| Women's health | yes (in Garmin Connect™ and optional Connect IQ™ widget) | — |
| Health snapshot | Yes | — |
| Jet lag adviser | Yes | — |
| Respiration rate | Yes | — |
| Resting heart rate | Yes | — |
| Breathing variations | Yes | — |
| Relaxation reminders | Yes | — |
| Abnormal heart rate alerts | yes (high and low) | — |
| Relaxation breathing timer | Yes | — |
| Body Battery™ energy monitor | Yes | — |
| Wrist-based heart rate (constant, every second) | Yes | — |
| GPS | — | Yes |
| QZSS | — | Yes |
| BeiDou | — | Yes |
| Compass | — | Yes |
| GLONASS | — | Yes |
| Galileo | — | Yes |
| Gyroscope | — | Yes |
| Thermometer | — | Yes |
| Accelerometer | — | Yes |
| SatIQ™ Technology | — | Yes |
| Ambient light sensor | — | Yes |
| Barometric altimeter | — | Yes |
| Pulse Ox Blood Oxygen Saturation Monitor | — | Yes |
| Garmin Elevate™ wrist heart rate monitor | — | Yes |
| Safety and Tracking Features | ||
| Assistance | Yes | — |
| Live Event Sharing | Android™ Only | — |
| Incident Detection during select activities | Yes | — |
| Incident detection alert on phone for wearables | Yes | — |
| Gaming Activity | — | Yes |
| GameOn™ app compatible | — | Yes |
| Kid Activity Tracking Features | ||
| Toe-to-Toe™ Challenges app | yes (optional Connect IQ Toe-to-Toe™ Challenges app) | — |
| Training, Planning and Analysis Features | ||
| % HRR | Yes | — |
| % HR max | Yes | — |
| HR zones | Yes | — |
| HR alerts | Yes | — |
| Shortcuts | Yes | — |
| HRV status | Yes | — |
| Load ratio | Yes | — |
| Manual lap | Yes | — |
| Rest timer | Yes | — |
| Auto max HR | Yes | — |
| Auto scroll | Yes | — |
| Finish time | Yes | — |
| HR calories | Yes | — |
| Voice alerts | Yes | — |
| Custom alerts | Yes | — |
| Physio TrueUp | Yes | — |
| Recovery time | Yes | — |
| Training load | Yes | — |
| VO2 Max (Run) | Yes | — |
| Course guidance | Yes | — |
| Endurance score | Yes | — |
| Training effect | Yes | — |
| Virtual Partner | Yes | — |
| Race an Activity | Yes | — |
| Realtime stamina | Yes | — |
| Advanced workouts | Yes | — |
| Interval training | Yes | — |
| Race glance/widget | Yes | — |
| Training load focus | Yes | — |
| VO2 Max (Trail Run) | Yes | — |
| Garmin Live Segments | Yes | — |
| Strava Live Segments | Yes | — |
| GPS speed and distance | Yes | — |
| Improved recovery time | Yes | — |
| Configurable lap alerts | Yes | — |
| Customizable data pages | Yes | — |
| Unified training status | Yes | — |
| Touch and/or button lock | Yes | — |
| Activity history on watch | Yes | — |
| Multisport auto transition | Yes | — |
| Downloadable training plans | Yes | — |
| Training effect (anaerobic) | Yes | — |
| Manual multisport activities | Yes | — |
| HRM running pace and distance | Yes | — |
| Heat and altitude acclimation | Yes | — |
| Customizable activity profiles | Yes | — |
| Trendline™ Popularity Routing | Yes | — |
| Auto Pause® automatic timer halt | Yes | — |
| Respiration rate (during exercise) | yes (with compatible accessory) | — |
| Auto Lap® interval tracking feature | Yes | — |
| Primary benefit (Training Effect labels) | Yes | — |
| Round-trip course creator (running/cycling) | Yes | — |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | Yes | — |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | Yes | — |
| Run workouts | — | Yes |
| Running power | — | Yes |
| Race predictor | — | Yes |
| Foot pod capable | — | Yes |
| Running dynamics | — | Yes |
| Lactate threshold | — | Yes |
| Grade-adjusted pace | — | Yes |
| Trail run auto climb | — | Yes |
| Performance condition | — | Yes |
| Run/Walk/Stand detection | — | Yes |
| Stride length (real time) | — | Yes |
| PacePro™ Pacing Strategies | — | Yes |
| Projected race time and pace | — | Yes |
| Vertical oscillation and ratio | — | Yes |
| Ground contact time and balance | — | yes (GCT balance with accessory) |
| GPS-based distance, time and pace | — | Yes |
| Course- and weather-specific race predictor | — | Yes |
| Cadence (provides real-time number of steps per minute) | — | Yes |
| Variant | ||
| Color | — | Silver with Silver Gray Silicone Band |
| Case Size | — | 45 mm |
| Available Colors | — | Slate with Black Silicone Band; Slate with Black Silicone Band and Brown Leather Band; Silver with Citron Silicone band ; Silver with Silver Gray Silicone Band; Silver with Black Silicone Band |
| Gaming Features | ||
| TrueUp™ | — | Yes |
| Move IQ™ | — | Yes |
| Step counter | — | Yes |
| Floors climbed | — | Yes |
| Calories burned | — | Yes |
| Distance traveled | — | Yes |
| Intensity minutes | — | Yes |
| Weight shift alert | — | Yes |
| Automatic rep counting | — | Yes |
| Wheelchair push tracker | — | Yes |
| Move Alert movement options | — | Yes |
| Garmin Connect™ Challenges app | — | Yes |
| Move alerts (displays on device after a period of inactivity) | — | Yes |
| Auto goal (learns your activity level and assigns a daily step goal) | — | Yes |
| Mapping & Navigation | ||
| Courses | — | Yes |
| Race an activity | — | Yes |
| Power meter compatible | — | Yes |
| Power curve and % FTP workouts | — | Yes |
| Compatible with Varia™ lights | — | Yes |
| Compatible with Varia headlight camera | — | Yes |
| Speed and cadence sensor support (w/sensor) | — | Yes |
| Bike lap and lap maximum power (with power sensor) | — | Yes |
| Compatible with Varia™ radar (rear-facing radar) | — | Yes |
| Compatible with Vector™ and Rally™ (power meters) | — | Yes |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | — | Yes |
Wrist Fit
Garmin Forerunner 965
Sits best on wrists ~50–67mm wide (≈ 13.4–17.9cm circumference).
Garmin Venu 4 45mm
Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).
Frequently Asked Questions
Is the Garmin Forerunner 965 bigger than the Garmin Venu 4 45mm?
The Garmin Forerunner 965 is bigger — 47.2mm vs 45mm case width.
Which fits a smaller wrist better, the Garmin Forerunner 965 or the Garmin Venu 4 45mm?
The Garmin Forerunner 965 suits wrists around 50–67mm wide, and the Garmin Venu 4 45mm around 47–64mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Garmin Forerunner 965 and Garmin Venu 4 45mm side by side at true scale?
Yes — the schematics and photos above show both watches at matched scale, and our fit tool overlays each on your wrist width.