WatchFitTool

Amazfit Active vs Garmin Venu 3

Size, specs & wrist fit compared

Amazfit Active
Amazfit Active
42.36mm × 35.9mmCheck offerView specs
Garmin Venu® 3010-02784-01
Garmin Venu® 3

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Which one fits you

On wrists narrower than about 47mm, the Amazfit Active is the safer pick — it stays proportionate down to roughly 38mm, where the Garmin Venu 3 starts to hang over the edge. Above 47mm both sit cleanly, and the Garmin Venu 3 gives you more presence.

The Garmin Venu 3 wears larger than the Amazfit Active (45mm vs 42.36mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.

The Amazfit Active is the slimmer of the two (10.75mm vs 12mm), so it slides under a cuff more easily.

On the wrist the Amazfit Active feels lighter (27g vs 30g, case only).

The Amazfit Active is thinner than 87% of the 42mm watches we track and the Garmin Venu 3 than 76% of the 45mm ones — so both wear flatter than their widths suggest.

The Garmin Venu 3 is 2.6mm wider, 9.1mm longer, 1.3mm thicker and 3g heavier than the Amazfit Active.

Amazfit

Active

Garmin

Venu® 3

Case width
42.4mm
45mm+2.6mm
Lug-to-lug
35.9mm
45mm+9.1mm
Thickness
10.8mm
12mm+1.3mm
Weight
27g
30g+3g

Switch or add watches

Amazfit Active

Amazfit

Active

Garmin Venu® 3

Garmin

Venu® 3

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 around

Amazfit Active

Case 35.9mm · Lug-to-lug 35.9mm · Thickness 10.8mm · 27g

Understated

35.9mm on a 55mm wrist

10:09TUE 12lug to lug 35.9mmyour wrist 55.0mm

Well inside your wrist on every measurement — you have room to go a size up if you want more presence.

On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 35.9mm, 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. 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. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
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 measurements
  • Across the wrist9.6mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist10.8mm off the skin

    Normal sports-watch height for a wrist this size. (10.8mm case, back against the skin)

  • How it seats~2.4mm under the rim

    Sits flat on the wrist with contact right across the case back.

  • Weight on the wrist27g

    Light enough to forget you have it on. (0.5g per mm of wrist)

Garmin Venu® 3

Case 45.0mm · Lug-to-lug 45.0mm · Thickness 12.0mm · 30g

Balanced Fit

45mm on a 55mm wrist

10:09TUE 12lug to lug 45.0mmyour wrist 55.0mm

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. 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. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
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 measurements
  • Across the wrist5.0mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist12.0mm off the skin

    Normal sports-watch height for a wrist this size. (12.0mm 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 wrist30g

    Light enough to forget you have it on. (0.5g 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
From above — same centre, true scale
From the side — how far each sits off the wrist
  • Amazfit Active42.4mm × 35.9mm · 10.8mm thick
  • Garmin Venu® 345mm · 12mm thick

3D preview

Amazfit Active vs Garmin Venu® 3 on a wrist

Sized to your own wrist, turned any way you like.

Open 3D try-on

Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.

Battery life compared

Furthest apart in GPS mode, where the Garmin Venu 3 lasts 1.6× as long as the Amazfit Active (26 hours against 16 hours).

Amazfit ActiveGarmin Venu 3

  • Battery Saver

    720 hours
    624 hours
  • Smartwatch

    14 days
    14 days
  • Training

    240 hours
    —
  • GPS

    16 hours
    26 hours

Specifications

The short version

11 key specs
SpecAmazfitActiveGarminVenu® 3
Case Width42.36mm45mm
Lug-to-Lug35.9mm45mm
Thickness10.75mm12mm
Weight27g30g
ShapeRectangleCircular
Water Resistance5 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.75 inches1.4 inches
Battery life14 days14 days
Released20232023

Every specification

322 specs
SpecAmazfit ActiveGarmin Venu® 3
Design
width42.3645
height35.945
volume16.35 cm³24.3 cm³
weight27 g47 g
thickness10.7512
ATM rating5 ATM5 ATM
resolution390 x 450 px454 x 454 px
screen size1.75 inches1.4 inches
Display typeOLED/AMOLEDOLED/AMOLED
Has a displayYesYes
pixel density341 ppi458 ppi
width of band20 mm22 mm
water resistanceWater resistantWaterproof
Always-On DisplayYesYes
has a touch screenYesYes
is designed for kidsNoNo
Watch band is replaceableYesYes
Has sapphire glass displayNoNo
has branded damage-resistant glassNoYes
Gorilla Glass version—Gorilla Glass 3
waterproof depth rating—50 m
maximum operating temperature—55 °C
lowest potential operating temperature—-20 °C
Battery
charge time2 hours1 hours
battery life14 days14 days
battery power300 mAh297 mAh
has wireless chargingNoNo
has a removable batteryNoNo
battery life with GPS on16 hours26 hours
Has a solar power batteryNoNo
has a rechargeable batteryYesYes
battery life in training mode240 hours—
battery life in power save mode720 hours624 hours
Sensors
has GPSYesYes
has a compassYesYes
Has a barometerNoYes
has a gyroscopeNoYes
Has a cadence sensorNoNo
has an accelerometerYesYes
Monitors perspirationNoNo
Has a heart rate monitorYesYes
Has a temperature sensorYesYes
Monitors blood oxygenation levelsYesYes
GPS—Yes
Compass—Yes
GLONASS—Yes
Galileo—Yes
Gyroscope—Yes
Thermometer—yes (tempe™ sensor required)
Accelerometer—Yes
Ambient light sensor—Yes
Barometric altimeter—Yes
Pulse Ox Blood Oxygen Saturation Monitor—Yes
Garmin Elevate™ wrist heart rate monitor—Yes
Features
release date2023-10-272023-08-30
Has a stopwatchYesYes
Has smart alarmNoNo
warranty period1 years1 years
Has call controlYesYes
Has silent alarmYesYes
has HRV trackingYesYes
internal storage0.25GB8GB
Has notificationsYesYes
Has ECG technologyNoYes
Locates your phoneYesYes
has fall detectionNoYes
has voice commandsNoNo
Acquires GPS fasterYesYes
Has vibrating alertsYesYes
number of microphones1—
shows readiness levelYesYes
Can be used to answer callsYesYes
measures resting heart rateYesYes
has irregular heart rate warningsNoYes
has fast/slow heart rate notificationsYesYes
Has a built-in camera remote control functionNoNo
CPU speed—4 x 1.5 GHz
measures VO2 max—Yes
has a front camera—No
Connectivity
has NFCNoYes
supports ANT+NoYes
supports Wi-FiNoYes
supports GalileoNoYes
Bluetooth version5.25.3
has a cellular moduleNoNo
Is compatible with iOSYesYes
Is compatible with AndroidYesYes
Wi-Fi version—Wi-Fi 5 (802.11ac)
Miscellaneous
Has passcodeYes—
Has auto pauseYesYes
Is compatible with WindowsNoYes
Is compatible with Mac OS XNoYes
has an external memory slotNoNo
Compatible with smart scalesYesYes
has a battery level indicatorYesYes
has a socket for a 3.5 mm audio jackNoNo
Compatible with external heart rate monitorsYesYes
has aptX—No
Available on PC—Yes
Provides the sunrise/sunset time—Yes
App & Software
Ad-freeYesYes
Free appYesYes
Tracks BMIYesYes
Has coachingYesYes
Includes mapsYesYes
Supports routesYesYes
Has achievementsYesYes
Has goal settingYesYes
Has live trackingYesYes
Has exercise diaryYesYes
Predicts ovulationYesYes
Can be personalisedYesYes
Has weight trackingYesYes
Predicts start dateYesYes
Tracks water intakeYesYes
Has inactivity alertsYesYes
Has period notificationsYesYes
Has temperature trackingYesYes
Provides activity reportsYesYes
Displays fertile window notificationsYesYes
Counts how many calories you've burnedYesYes
Doesn’t require account—No
Activity tracking
Measures paceYesYes
Tracks distanceYesYes
Tracks elevationYesYes
Designed for golfNoYes
Tracks your sleepYesYes
Tracks steps takenYesYes
Designed for divingNoNo
Has a route trackerYesYes
Has exercise taggingYesYes
Tracks calorie intakeYesYes
Provides sleep reportsYesYes
Detects activities automaticallyYesYes
Has a stroke counter for swimmingYesYes
Has multi-sport mode—No
Overview
Family—Garmin
General
Battery life—Smartwatch mode: Up to 14 days (5 days display always-on) Battery Saver Smartwatch mode: Up to 26 days GPS-Only GNSS mode: Up to 26 hours All-Systems GNSS mode: Up to 20 hours All-Systems GNSS mode with music: Up to 11 hours See Details
Battery type—Lithium ion
Display Size—1.4" (35.4 mm) diameter
Case material—fiber-reinforced polymer
Color display—Yes
Lens Material—Corning® Gorilla® Glass 3
Bezel Material—stainless steel
Memory/History—8 GB
Strap material—silicone
Charging method—Garmin proprietary plug charger
Large font option—Yes
Display resolution—454 x 454 pixels
Quick Release bands—yes (22 mm, Industry standard)
Built-in speaker/microphone—Yes
Languages
Device languages—Arabic, Bulgarian, Croatian, Czech, Danish, Dutch, English (US), Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Malay, Norwegian, Polish, Portuguese (Brazil), Portuguese (EU), Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish (International), Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Product Info
Main SKU—010-02784-01
Product ID—873008
Product Name—Venu® 3
Product Variation—Slate Stainless Steel Bezel with Black Case and 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
Gaming Features
Gaming Activity—Yes
GameOn™ app compatible—Yes
Cycling Features
Power meter compatible—Yes
Compatible with Varia™ lights—Yes
Speed and cadence sensor support (w/sensor)—yes (using ANT+ or BLE)
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
Golfing Features
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
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
Running Features
Run workouts—Yes
Running power—Yes
Foot pod capable—Yes
Running dynamics—Yes
Run/Walk/Stand detection—Yes
Vertical oscillation and ratio—Yes
GPS-based distance, time and pace—Yes
Cadence (provides real-time number of steps per minute)—Yes
What You'll Love
Touchscreen—Yes
Display type—AMOLED (optional always-on mode)
Water rating—Swim, 5 ATM
Garmin Pay™—Yes
Music storage—Yes
Garmin ECG App—Yes
Wheelchair mode—Yes
Pulse Ox blood oxygen—yes (spot-check, and optionally all-day and in sleep)
Sleep score and insights—Yes
Battery life (smartwatch mode)—Up to 14 days
Make calls and send texts via voice—Yes
Activity Profiles
Gym—Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping
Swim—Pool Swimming, Open Water Swimming
Cycling—Biking, Indoor Biking, eBiking, Handcycling, Indoor Handcycling
Wellness—Walking, Pilates, Yoga, Indoor Walking
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
On the Water—Stand Up Paddleboarding, Rowing
Racket sports—Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Snow & winter—Skiing, Snowboarding, XC Classic Skiing, Snowshoeing
Indoor running—Treadmill Running, Indoor Track Running
Outdoor running—Running
Outdoor recreation—Hiking, Indoor Climbing, Bouldering, Disc Golf
Swimming Features
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
Outdoor Recreation
Back to start—Yes
Fish forecast—yes (via Connect IQ™)
Area calculation—yes (via Connect IQ™)
Total ascent/descent—Yes
Sun and moon information—yes (via Connect IQ™)
Daily Smart Features
Calendar—Yes
Passcode—Yes
Connectivity—Bluetooth®, ANT+®, Wi-Fi®
Find My Phone—Yes
Find My Watch—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
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
Activity Tracking Features
TrueUp™—Yes
Move IQ™—Yes
Push tracker—Yes
Step counter—Yes
Floors climbed—Yes
Calories burned—Yes
Distance traveled—Yes
Intensity minutes—Yes
Weight shift alert—Yes
Automatic rep counting—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
Workout and Training Plans
HIIT workouts—Yes
Yoga workouts—Yes
Cardio workouts—Yes
Pilates workouts—Yes
Strength workouts—Yes
Garmin Running Coach Experts—Yes
On-screen workout animations—Yes
On-screen workout muscle maps—Yes
Workouts for wheelchair users—Yes
Health & Wellness Monitoring
Sleep—yes (advanced)
Hydration—Yes
Breathwork—Yes
Meditation—Yes
Fitness age—Yes
Sleep coach—Yes
Nap detection—Yes
All-day stress—Yes
Women's health—Yes
Health snapshot—Yes
Jet lag adviser—Yes
Respiration rate—Yes
Skin temperature—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
Safety and Tracking Features
Assistance—Yes
Incident Detection during select activities—Yes
Incident detection alert on phone for wearables—Yes
Training, Planning and Analysis Features
% HR max—Yes
HR zones—Yes
HR alerts—Yes
HRV status—Yes
Manual lap—Yes
Auto scroll—Yes
HR calories—Yes
Voice alerts—Yes
Physio TrueUp—Yes
Recovery time—Yes
VO2 Max (Run)—Yes
Workout benefit—Yes
Advanced workouts—Yes
Interval training—Yes
GPS speed and distance—Yes
Improved recovery time—yes (limited)
Customizable data pages—Yes
Touch and/or button lock—Yes
Activity history on watch—Yes
Downloadable training plans—Yes
HRM running pace and distance—Yes
Customizable activity profiles—Yes
Auto Pause® automatic timer halt—Yes
Respiration rate (during exercise)—yoga, breathwork, meditation and archery only
Auto Lap® interval tracking feature—Yes
HR broadcast (broadcasts HR data over ANT+® to paired devices)—yes (using ANT+ or BLE)
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)—Yes

Wrist Fit

Amazfit Active

Sits best on wrists ~38–51mm wide (≈ 10.1–13.6cm circumference).

Garmin Venu 3

Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).

Frequently Asked Questions

Is the Amazfit Active bigger than the Garmin Venu 3?

The Garmin Venu 3 is bigger — 45mm vs 42.36mm case width.

Which fits a smaller wrist better, the Amazfit Active or the Garmin Venu 3?

The Amazfit Active suits wrists around 38–51mm wide, and the Garmin Venu 3 around 47–64mm. The one with the smaller lower bound is the safer pick for a small wrist.

Can I see the Amazfit Active and Garmin Venu 3 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.

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