Garmin Fenix 7X Pro Solar Edition No Wi-Fi vs Fenix 8 47mm Solar
Size, specs & wrist fit compared
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Which one fits you
On wrists narrower than about 54mm, the Fenix 8 47mm Solar is the safer pick — it stays proportionate down to roughly 49mm, where the Fenix 7X Pro Solar Edition No Wi-Fi starts to hang over the edge. Above 54mm both sit cleanly, and the Fenix 7X Pro Solar Edition No Wi-Fi gives you more presence.
The Fenix 7X Pro Solar Edition No Wi-Fi wears larger than the Fenix 8 47mm Solar (51mm vs 47mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.
On the wrist the Fenix 8 47mm Solar feels lighter (80g vs 96g, case only).
Among the 54 51mm watches we hold thickness for, the Fenix 7X Pro Solar Edition No Wi-Fi is thinner than 83%, so it wears flatter than its width suggests.
Among the 102 47mm watches we hold thickness for, the Fenix 8 47mm Solar is thicker than 87% — it will sit high even though the case width reads modest.
The Fenix 7X Pro Solar Edition No Wi-Fi is 4mm wider, 4mm longer, 0.3mm thinner and 16g heavier than the Fenix 8 47mm Solar. Both are circular.
fēnix® 7X Pro – Solar Edition (No Wi-Fi®)
fēnix® 8 – 47 mm, Solar
Case width
51mm
47mm−4mm
Lug-to-lug
51mm
47mm−4mm
Thickness
14.9mm
15.2mm+0.3mm
Weight
96g
80g−16g
Switch or add watches
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Garmin
fēnix® 7X Pro – Solar Edition (No Wi-Fi®)
Garmin
fēnix® 8 – 47 mm, Solar
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 fēnix® 7X Pro – Solar Edition (No Wi-Fi®)
Case 51.0mm · Lug-to-lug 51.0mm · Thickness 14.9mm · 96g
Sweet Spot
51mm on a 55mm wrist
Understated Balanced Sweet Spot Bold Overhang ⚠
Across the wrist it works — 2.0mm spare each side — but a tall watch on this wrist. Fine over a sleeve, awkward under one.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 51mm.
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 wrist2.0mm spare each side
Fills the wrist without reaching the edge.
- Off the wrist14.9mm off the skin
A tall watch on this wrist. Fine over a sleeve, awkward under one. (14.9mm case, back against the skin)
- How it seats~8.8mm under the rim
Wide enough that the edge of the case back lifts clear of the skin.
- Weight on the wrist96g
Substantial without being a burden — the usual weight of a steel watch on a wrist this size. (1.7g per mm of wrist)
Garmin fēnix® 8 – 47 mm, Solar
Case 47.0mm · Lug-to-lug 47.0mm · Thickness 15.2mm · 80g
Sweet Spot
47mm on a 55mm wrist
Understated Balanced Sweet Spot Bold Overhang ⚠
Across the wrist it works — 4.0mm spare each side — but a tall watch on this wrist. Fine over a sleeve, awkward under one.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 47mm.
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 wrist4.0mm spare each side
Fills the wrist without reaching the edge.
- Off the wrist15.2mm off the skin
A tall watch on this wrist. Fine over a sleeve, awkward under one. (15.2mm case, back against the skin)
- How it seats~6.1mm under the rim
Wide enough that the edge of the case back lifts clear of the skin.
- Weight on the wrist80g
Substantial without being a burden — the usual weight of a steel watch on a wrist this size. (1.5g 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 fēnix® 7X Pro – Solar Edition (No Wi-Fi®)51mm · 14.9mm thick
- Garmin fēnix® 8 – 47 mm, Solar47mm · 15.2mm thick
3D preview
fēnix® 7X Pro – Solar Edition (No Wi-Fi®) vs fēnix® 8 – 47 mm, Solar 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 Battery Saver mode, where the 7X Pro Solar Edition No Wi-Fi lasts 2.6× as long as the 8 47mm Solar (90 days against 34 days).
7X Pro Solar Edition No Wi-Fi8 47mm Solar
Battery Saver
90 days34 days +58 daysExpedition GPS
62 days +139 days34 days +58 daysSmartwatch
28 days +37 days21 days +28 daysMax Battery GPS
213 hours +578 hours132 hours +283 hoursGPS Only
89 hours +122 hours67 hours +92 hoursAll Satellite Systems
63 hours +77 hours48 hours +59 hoursAll Satellite Systems + Multi-band
36 hours +41 hours37 hours +43 hoursAll Satellite Systems + Music
16 hours13 hours
Amber figures are the solar-assisted runtime the manufacturer publishes for that mode.
Specifications
The short version
7 key specs| Spec | Garminfēnix® 7X Pro – Solar Edition (No Wi-Fi®) | Garminfēnix® 8 – 47 mm, Solar |
|---|---|---|
| Case Width | 51mm | 47mm |
| Thickness | 14.9mm | 15.2mm |
| Weight | 96g | 80g |
| Shape | Circular | Circular |
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) | Sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life | Smartwatch: Up to 28 days/37 days with solar* Battery Saver Watch Mode: Up to 90 days/1+ year with solar* GPS Only: Up to 89 hours/122 hours with solar** All Satellite Systems: Up to 63 hours/77 hours with solar* All Satellite Systems + Multi-band: Up to 36 hours/41 hours with solar** All Satellite Systems + Music: Up to 16 hours Max Battery GPS: Up to 213 hours/578 hours with solar** Expedition GPS: Up to 62 days/ 139 days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions | Smartwatch: Up to 21 days/28 days with solar* Battery Saver Watch Mode: Up to 34 days/58 days with solar* GPS Only: Up to 67 hours/92 hours with solar** All Satellite Systems: Up to 48 hours/59 hours with solar** All Satellite Systems + Multi-band: Up to 37 hours/43 hours with solar*** All Satellite Systems + Music: Up to 13 hours Max Battery GPS: Up to 132 hours/283 hours with solar** Expedition GPS: Up to 34 days/58 days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions ***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology |
| Released | 2023 | 2024 |
Every specification
341 specs| Spec | Garmin fēnix® 7X Pro – Solar Edition (No Wi-Fi®) | Garmin fēnix® 8 – 47 mm, Solar |
|---|---|---|
| Overview | ||
| Family | Garmin | Garmin |
| General | ||
| Battery life | Smartwatch: Up to 28 days/37 days with solar* Battery Saver Watch Mode: Up to 90 days/1+ year with solar* GPS Only: Up to 89 hours/122 hours with solar** All Satellite Systems: Up to 63 hours/77 hours with solar* All Satellite Systems + Multi-band: Up to 36 hours/41 hours with solar** All Satellite Systems + Music: Up to 16 hours Max Battery GPS: Up to 213 hours/578 hours with solar** Expedition GPS: Up to 62 days/ 139 days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions | Smartwatch: Up to 21 days/28 days with solar* Battery Saver Watch Mode: Up to 34 days/58 days with solar* GPS Only: Up to 67 hours/92 hours with solar** All Satellite Systems: Up to 48 hours/59 hours with solar** All Satellite Systems + Multi-band: Up to 37 hours/43 hours with solar*** All Satellite Systems + Music: Up to 13 hours Max Battery GPS: Up to 132 hours/283 hours with solar** Expedition GPS: Up to 34 days/58 days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions ***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology |
| Battery type | Lithium ion | Lithium ion |
| Display Size | 1.4” (35.56 mm) diameter | 1.3” (33.00 mm) diameter |
| Case material | fiber-reinforced polymer with steel rear cover | fiber-reinforced polymer with metal rear cover |
| Color display | Yes | Yes |
| Lens Material | Power Glass™ | Power Sapphire™ |
| Bezel Material | stainless steel | titanium |
| Memory/History | 32 GB | 32 GB |
| Strap material | silicone | silicone |
| Charging method | Garmin proprietary plug charger | Garmin proprietary plug charger |
| Large font option | Yes | Yes |
| Display resolution | 280 x 280 pixels | 260 x 260 pixels |
| QuickFit® watch band compatible | included (26 mm) | included (22 mm) |
| Built-in speaker/microphone | — | Yes |
| Leakproof inductive buttons | — | Yes |
| Sensors | ||
| GPS | Yes | Yes |
| Compass | Yes | Yes |
| GLONASS | Yes | Yes |
| Galileo | Yes | Yes |
| Gyroscope | Yes | Yes |
| Thermometer | Yes | Yes |
| Accelerometer | Yes | Yes |
| SatIQ™ Technology | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Pulse Ox Blood Oxygen Saturation Monitor | Yes | Yes |
| Garmin Elevate™ wrist heart rate monitor | Yes | Yes |
| QZSS | — | Yes |
| BeiDou | — | Yes |
| Depth sensor | — | yes (to 40 m) |
| Product Info | ||
| Main SKU | 010-02778-02 | 010-02906-20 |
| Product ID | 1479414 | 1389491 |
| Product Name | fēnix® 7X Pro – Solar Edition (No Wi-Fi®) | fēnix® 8 – 47 mm, Solar |
| Release Date | 6/1/2023 | 8/27/2024 |
| Product Variation | Slate Gray with Black Band | Sapphire, Titanium with Amp Yellow/Graphite Silicone Band |
| Clock Features | ||
| Timer | Yes | Yes |
| Stopwatch | Yes | Yes |
| Time/date | Yes | Yes |
| Alarm clock | Yes | Yes |
| GPS Time Sync | Yes | Yes |
| Sunrise/sunset times | Yes | Yes |
| Automatic daylight saving time | Yes | Yes |
| Gaming Features | ||
| Gaming Activity | Yes | — |
| GameOn™ app compatible | Yes | — |
| Boating Features | ||
| Wearable trolling motor remote | Yes | Yes |
| Cycling Features | ||
| Courses | Yes | Yes |
| Power guide | Yes | Yes |
| MTB Grit & Flow | Yes | Yes |
| Race an activity | Yes | Yes |
| Power meter compatible | Yes | Yes |
| Advanced cycling dynamics | Yes | Yes |
| Power curve and % FTP workouts | Yes | Yes |
| Compatible with Varia™ lights | Yes | Yes |
| FTP (Functional Threshold Power) | yes (with compatible accessory) | yes (with compatible accessory) |
| Compatible with Varia headlight camera | Yes | Yes |
| Speed and cadence sensor support (w/sensor) | Yes | Yes |
| Cycle Map (routable cycling-specific street map) | Yes | Yes |
| Bike lap and lap maximum power (with power sensor) | Yes | Yes |
| Compatible with Varia™ radar (rear-facing radar) | Yes | Yes |
| Compatible with Vector™ and Rally™ (power meters) | Yes | Yes |
| Compatible with Varia Vision™ (head-mounted display) | Yes | Yes |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes | Yes |
| Golfing Features | ||
| PinPointer | Yes | Yes |
| Swing Tempo | Yes | Yes |
| Custom targets | Yes | Yes |
| Tempo Training | Yes | Yes |
| Virtual caddie | Yes | Yes |
| Full vector map | Yes | Yes |
| Handicap scoring | Yes | Yes |
| Tournament legal | Yes | Yes |
| Digital scorecard | Yes | Yes |
| Garmin AutoShot™ | Yes | Yes |
| PlaysLike distance | Yes | Yes |
| Round timer/odometer | Yes | Yes |
| Auto CourseView updates | Yes | Yes |
| Yardage to layups/doglegs | Yes | Yes |
| Hazards and course targets | Yes | Yes |
| Pairs with Garmin Golf app | Yes | Yes |
| Green View with manual pin position | Yes | Yes |
| Preloaded with 43,000 courses worldwide | Yes | Yes |
| Green Contours (with Garmin Golf membership) | Yes | Yes |
| CT10 Automatic club tracking compatible (requires accessory) | Yes | Yes |
| Yardage to F/M/B (distance to front, middle and back of green) | Yes | Yes |
| Stat tracking (strokes, putts per round, greens and fairways hit) | Yes | Yes |
| Wind speed and direction (requires connection to Garmin Golf app) | Yes | Yes |
| Touch-targeting (touch target on display to see the distance to any point) | Yes | Yes |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | automatic | automatic |
| Running Features | ||
| Hill score | Yes | Yes |
| Run workouts | Yes | Yes |
| Running power | Yes | Yes |
| Race predictor | Yes | Yes |
| Foot pod capable | Yes | Yes |
| Running dynamics | Yes | Yes |
| Lactate threshold | yes (with compatible accessory) | yes (with compatible accessory) |
| Grade-adjusted pace | Yes | Yes |
| Trail run auto climb | Yes | Yes |
| Performance condition | Yes | Yes |
| Run/Walk/Stand detection | Yes | Yes |
| Stride length (real time) | Yes | Yes |
| PacePro™ Pacing Strategies | Yes | Yes |
| Vertical oscillation and ratio | Yes | Yes |
| Ground contact time and balance | yes (GCT balance with accessory) | yes (GCT balance with accessory) |
| GPS-based distance, time and pace | Yes | Yes |
| Cadence (provides real-time number of steps per minute) | Yes | Yes |
| Course- and weather-specific race predictor | — | Yes |
| What You'll Love | ||
| Touchscreen | Yes | Yes |
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) | Sunlight-visible, transflective memory-in-pixel (MIP) |
| Water rating | 10 ATM | 10 ATM |
| Garmin Pay™ | Yes | Yes |
| Music storage | Yes | Yes |
| LED flashlight | Yes | Yes |
| Multi-band GPS | Yes | Yes |
| Solar Charging | Yes | Yes |
| Training status | Yes | Yes |
| Built-in mapping | Yes | Yes |
| Training readiness | Yes | Yes |
| Pulse Ox blood oxygen | Yes | Yes |
| Sleep score and insights | Yes | Yes |
| Battery life (smartwatch mode) | Up to 28 days37 days with solar | Up to 21 days (28 days with solar) |
| Garmin ECG App | — | Yes |
| Make calls and send texts via voice | — | Yes |
| Activity Profiles | ||
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping |
| Swim | Pool Swimming, Open Water Swimming | Pool Swimming, Open Water Swimming |
| Cycling | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX |
| Wellness | Walking, Pilates, Yoga, Indoor Walking | Walking, Indoor Walking, Pilates, Yoga |
| Multisport | Swimming/Running, Triathlon | Swimming/Running, Triathlon |
| In the ring | Boxing, Mixed Martial Arts | Boxing, Mixed Martial Arts |
| Team sports | Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball | Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball |
| Motor sports | Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling | Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Sail Racing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Sailing Expedition, Whitewater | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Whitewater |
| Racket sports | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball | 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 | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, XC Skate Skiing, Backcountry Skiing, Ice Skating, Snowshoeing |
| Indoor running | Treadmill Running, Indoor Track Running, Virtual Running | Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing |
| Outdoor recreation | Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery | Hiking, Rucking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery |
| Other activity profiles | Jumpmaster, Tactical, Inline Skating | Inline Skating |
| Dive | — | Scuba Diving (single gas), Apnea Diving, Depth App |
| Swimming Features | ||
| Pool swim workouts | Yes | Yes |
| Critical swim speed | Yes | Yes |
| Time and distance alerts | Yes | Yes |
| Auto rest (pool swim only) | Yes | Yes |
| Drill logging (pool swim only) | Yes | Yes |
| Pacing alerts (pool swim only) | Yes | Yes |
| Countdown start (pool swim only) | Yes | Yes |
| Underwater wrist-based heart rate | Yes | Yes |
| "Repeat on" rest timer (pool swim only) | Yes | Yes |
| Basic rest timer (up from 0) (pool swim only) | Yes | Yes |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | Yes | Yes |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | Yes | Yes |
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | Yes | 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-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) | yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) |
| Tactical Features | ||
| XERO™ Locations | Yes | — |
| Dual grid coordinates | Yes | Yes |
| Outdoor Recreation | ||
| Tides | yes (via Connect IQ™) | Yes |
| Up Ahead | Yes | Yes |
| Auto rest | Yes | Yes |
| TracBack® | Yes | Yes |
| Sight 'N Go | Yes | Yes |
| Tide glance | Yes | Yes |
| Back to start | Yes | Yes |
| Fish forecast | yes (via Connect IQ™) | Yes |
| Explore Nearby | Yes | Yes |
| UltraTrac mode | Yes | Yes |
| Vertical speed | Yes | Yes |
| GPS coordinates | Yes | Yes |
| Reference point | Yes | — |
| Area calculation | yes (via Connect IQ™) | yes (via Connect IQ™) |
| Elevation profile | Yes | Yes |
| Projected waypoint | Yes | Yes |
| Total ascent/descent | Yes | Yes |
| Future elevation plot | Yes | Yes |
| NextFork™ navigation | Yes | Yes |
| Distance to destination | Yes | Yes |
| Expedition GPS Activity | Yes | Yes |
| Sun and moon information | Yes | Yes |
| Point-to-point navigation | Yes | Yes |
| Preloaded ski resort maps | Yes | Yes |
| ClimbPro™ Ascent Planner | Yes | Yes |
| Rest Timer (Ultra Run only) | Yes | Yes |
| Preloaded road and trail maps | Yes | Yes |
| Bread crumb trail in real time | Yes | Yes |
| Downloadable cartography support | Yes | Yes |
| Barometric trend indicator with Storm Alert | Yes | Yes |
| Daily Smart Features | ||
| Stocks | Yes | Yes |
| Calendar | Yes | Yes |
| Connectivity | Bluetooth®, ANT+® | Bluetooth®, ANT+®, Wi-Fi® |
| Garmin Share | Yes | Yes |
| Find My Phone | Yes | Yes |
| Find My Watch | Yes | Yes |
| VIRB® Remote | Yes | — |
| Morning report | Yes | Yes |
| Weather forecasts | Yes | Yes |
| Smart Notifications | Yes | Yes |
| Smart trainer control | Yes | Yes |
| Smartphone compatibility | iPhone®, Android™ | iPhone®, Android™ |
| Controls smartphone music | Yes | Yes |
| On-device Connect IQ™ Store | Yes | Yes |
| Plays and controls watch music | Yes | Yes |
| Find My Phone during GPS activity | Yes | Yes |
| Pairs with Garmin Connect™ Mobile | Yes | Yes |
| Compatible with Garmin Messenger app | Yes | Yes |
| Battery saver (customizable low power watch) | Yes | Yes |
| Realtime settings sync with Garmin Connect™ mobile | Yes | Yes |
| View images from notifications on watch (Android™ only) | Yes | Yes |
| Text response/reject phone call with text (Android™ only) | Yes | Yes |
| Connect IQ™ (downloadable watch faces, data fields and apps) | Yes | Yes |
| Passcode | — | Yes |
| Voice command | — | Yes |
| Bluetooth phone calling and voice assistant support | — | Yes |
| Activity Tracking Features | ||
| TrueUp™ | Yes | Yes |
| Move IQ™ | Yes | Yes |
| Step counter | Yes | Yes |
| Floors climbed | Yes | Yes |
| Calories burned | Yes | Yes |
| Distance traveled | Yes | Yes |
| Intensity minutes | Yes | Yes |
| Automatic rep counting | Yes | Yes |
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) | yes (optional Connect IQ app) |
| Move alerts (displays on device after a period of inactivity) | Yes | Yes |
| Auto goal (learns your activity level and assigns a daily step goal) | Yes | Yes |
| Workout and Training Plans | ||
| HIIT workouts | Yes | Yes |
| Yoga workouts | Yes | Yes |
| Cardio workouts | Yes | Yes |
| Pilates workouts | Yes | Yes |
| Strength workouts | Yes | Yes |
| Garmin Cycling Coach | Yes | Yes |
| Garmin Running Coach | Yes | Yes |
| Garmin Running Coach Experts | Yes | Yes |
| On-screen workout animations | Yes | Yes |
| On-screen workout muscle maps | Yes | Yes |
| Daily Suggested Workout - Cycling | Yes | — |
| Daily Suggested Workout - Running | Yes | — |
| Garmin Coach - Prebuilt Cycling Plans | Yes | Yes |
| Garmin Coach - Strength | — | Yes |
| Daily Suggested Workout - Cycling (Pace and Heart Rate Based) | — | Yes |
| Daily Suggested Workout - Running (Pace and Heart Rate Based) | — | Yes |
| Health & Wellness Monitoring | ||
| Sleep | yes (advanced) | yes (advanced) |
| Hydration | yes (in Garmin Connect™ and optional Connect IQ™ widget) | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Breathwork | Yes | Yes |
| Fitness age | yes (in app) | Yes |
| Sleep coach | Yes | Yes |
| Nap detection | Yes | Yes |
| All-day stress | Yes | Yes |
| Women's health | yes (in Garmin Connect™ and optional Connect IQ™ widget) | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Health snapshot | Yes | Yes |
| Jet lag adviser | Yes | Yes |
| Respiration rate | Yes | Yes |
| Skin temperature | Yes | Yes |
| Resting heart rate | Yes | Yes |
| Breathing variations | Yes | Yes |
| Abnormal heart rate alerts | yes (high and low) | yes (high and low) |
| Relaxation breathing timer | Yes | Yes |
| Body Battery™ energy monitor | Yes | Yes |
| Wrist-based heart rate (constant, every second) | Yes | Yes |
| Meditation | — | Yes |
| Safety and Tracking Features | ||
| Assistance | Yes | Yes |
| Live Event Sharing | Yes | Yes |
| Incident Detection during select activities | Yes | Yes |
| Incident detection alert on phone for wearables | Yes | 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 | Yes |
| % HR max | Yes | Yes |
| HR zones | Yes | Yes |
| HR alerts | Yes | Yes |
| Shortcuts | Yes | Yes |
| HRV status | Yes | Yes |
| Load ratio | Yes | Yes |
| Manual lap | Yes | Yes |
| Rest timer | Yes | Yes |
| Auto max HR | Yes | Yes |
| Auto scroll | Yes | Yes |
| Finish time | Yes | Yes |
| HR calories | Yes | Yes |
| Voice alerts | Yes | Yes |
| Custom alerts | Yes | Yes |
| Physio TrueUp | Yes | Yes |
| Recovery time | Yes | Yes |
| Training load | Yes | Yes |
| VO2 Max (Run) | Yes | Yes |
| Course guidance | Yes | Yes |
| Endurance score | Yes | Yes |
| Training effect | Yes | Yes |
| Virtual Partner | Yes | Yes |
| Race an Activity | Yes | Yes |
| Realtime stamina | Yes | Yes |
| Advanced workouts | Yes | Yes |
| Interval training | Yes | Yes |
| Race glance/widget | Yes | Yes |
| Training load focus | Yes | Yes |
| VO2 Max (Trail Run) | Yes | Yes |
| Garmin Live Segments | Yes | Yes |
| Strava Live Segments | Yes | Yes |
| GPS speed and distance | Yes | Yes |
| Configurable lap alerts | Yes | Yes |
| Customizable data pages | Yes | Yes |
| Unified training status | Yes | Yes |
| Touch and/or button lock | Yes | Yes |
| Activity history on watch | Yes | Yes |
| Multisport auto transition | Yes | Yes |
| Downloadable training plans | Yes | Yes |
| Training effect (anaerobic) | Yes | Yes |
| Manual multisport activities | Yes | Yes |
| HRM running pace and distance | Yes | Yes |
| Heat and altitude acclimation | Yes | Yes |
| Customizable activity profiles | Yes | Yes |
| Trendline™ Popularity Routing | Yes | Yes |
| Auto Pause® automatic timer halt | Yes | Yes |
| Respiration rate (during exercise) | yes (with compatible accessory) | yes (with compatible accessory) |
| Auto Lap® interval tracking feature | Yes | Yes |
| Primary benefit (Training Effect labels) | Yes | Yes |
| Round-trip course creator (running/cycling) | Yes | Yes |
| Power Modes - customizable in-activity battery settings | Yes | Yes |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | Yes | Yes |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | Yes | Yes |
| HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) | yes (with compatible accessory) | yes (with compatible accessory) |
| Workout benefit | — | Yes |
| Diving Features | ||
| PO2 | — | up to 1.6 with customizable Deco settings |
| Tides | — | Yes |
| Backlight | — | yes (configurable intensity; always on) |
| Gas mixes | — | Air, Nitrox (21-40% Oxygen) |
| APNEA mode | — | Yes |
| Deep Stops | — | yes (using custom Gradient Factors) |
| No fly time | — | Yes |
| Safety Stop | — | yes (customizable off/3min/5min) |
| Dive planner | — | yes (Basic NDL & Gas Planner) |
| Nitrox support | — | Yes |
| Alerts & alarms | — | yes (vibration only) |
| Single-gas mode | — | Yes |
| 3-axis dive compass | — | yes with adjustable heading, quick change to 90R, 90L, and Reciprocal. Indicates degrees and direction back to set heading. |
| Auto start/end dive | — | Yes |
| Decompression model | — | Bühlmann ZHL-16c with Gradient Factors |
| Missed Deco Lockout | — | yes (can be disabled prior to dive with user acknowledgement) |
| Custom end-dive timeout | — | yes (20 sec to 10 min) |
| Customizable conservatism | — | yes (Low/Medium/High) |
| Surface diver status widget | — | yes (Surface Interval, no fly time, N2 loading, CNS, OTU, and Tissue Compartment status) |
| Automatic altitude adjustment | — | Yes |
| Dive ascent/descent rate indicator | — | Yes |
| Dive activity maximum operating depth | — | 40 meters |
| Sync dive log to Garmin Dive™ Mobile app | — | Yes |
| Automatically saves dive entry and exit locations | — | Yes |
Wrist Fit
Garmin Fenix 7X Pro Solar Edition No Wi-Fi
Sits best on wrists ~54–73mm wide (≈ 14.4–19.5cm circumference).
Garmin Fenix 8 47mm Solar
Sits best on wrists ~49–67mm wide (≈ 13.1–17.9cm circumference).
Frequently Asked Questions
Is the Garmin Fenix 7X Pro Solar Edition No Wi-Fi bigger than the Garmin Fenix 8 47mm Solar?
The Garmin Fenix 7X Pro Solar Edition No Wi-Fi is bigger — 51mm vs 47mm case width.
Which fits a smaller wrist better, the Garmin Fenix 7X Pro Solar Edition No Wi-Fi or the Garmin Fenix 8 47mm Solar?
The Garmin Fenix 7X Pro Solar Edition No Wi-Fi suits wrists around 54–73mm wide, and the Garmin Fenix 8 47mm Solar around 49–67mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Garmin Fenix 7X Pro Solar Edition No Wi-Fi and Garmin Fenix 8 47mm Solar 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.