WatchFitTool

Garmin Venu 3 vs Samsung Galaxy Watch8 LTE ClassicSize, Specs & Wrist Fit Compared

The Samsung Galaxy Watch8 LTE Classic is 1.4mm wider, 1.4mm longer, 1.4mm thinner and 16.5g heavier than the Garmin Venu 3. Both are circular.

Measured against the Garmin Venu 3.

Case width
45mmbaseVenu 3
46.4mm+1.4mmGalaxy Watch8 LTE Classic
Lug-to-lug
45mmbaseVenu 3
46.4mm+1.4mmGalaxy Watch8 LTE Classic
Thickness
12mmbaseVenu 3
10.6mm−1.4mmGalaxy Watch8 LTE Classic
Weight
47gbaseVenu 3
63.5g+16.5gGalaxy Watch8 LTE Classic
Garmin Venu 3
Garmin Venu 3
Samsung Galaxy Watch8 LTE Classic
Samsung Galaxy Watch8 LTE Classic
46.4mm × 46.4mmFind on AmazonView specs

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Garmin Venu 3

Garmin

Venu 3

Samsung Galaxy Watch8 LTE Classic

Samsung

Galaxy Watch8 LTE Classic

Watch Fit Tool

For sports watches, Lug-to-Lug (L2L) is what matters most. Bulky is fine — overhang is not.

mm
40.0mm (small)80.0mm (large)
How to Measure
1

Lay arm flat, palm up.

2

Measure the flat width across top of wrist.

Garmin Venu 3
Case: 45mmL2L: 45mmThick: 12mm
Balanced Fit5mm clearance. Comfortable everyday wear with room to spare.
Samsung Galaxy Watch8 LTE Classic
Case: 46.4mmL2L: 46.4mmThick: 10.6mm
Edge Clearance
+4.3mm
Balanced Fit4.3mm clearance. Comfortable everyday wear with room to spare.

Which one fits you

On wrists narrower than about 49mm, the Garmin Venu 3 is the safer pick — it stays proportionate down to roughly 47mm, where the Samsung Galaxy Watch8 LTE Classic starts to hang over the edge. Above 49mm both sit cleanly, and the Samsung Galaxy Watch8 LTE Classic gives you more presence.

The Samsung Galaxy Watch8 LTE Classic wears larger than the Garmin Venu 3 (46.4mm vs 45mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.

The Samsung Galaxy Watch8 LTE Classic is the slimmer of the two (10.6mm vs 12mm), so it slides under a cuff more easily.

On the wrist the Garmin Venu 3 feels lighter (47g vs 63.5g, case only).

Among the 386 45mm watches we hold thickness for, the Garmin Venu 3 is thinner than 76%, so it wears flatter than its width suggests.

Among the 158 46mm watches we hold thickness for, the Samsung Galaxy Watch8 LTE Classic is thinner than 97%, so it wears flatter than its width suggests.

Specification Comparison

SpecGarminVenu 3SamsungGalaxy Watch8 LTE Classic
Case Width45mm46.4mm
Thickness12mm10.6mm
Weight47g63.5g
ShapeCircularCircular
Water Resistance5 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.4 inches1.34 inches
Always-On DisplayYesYes
Battery life14 days2 days
Battery power297 mAh445 mAh
Has wireless chargingNoYes
Has a removable batteryNoNo
Has a solar power batteryNoNo
Has a rechargeable batteryYesYes
Has a battery level indicatorYesYes
Released20232025

Hover a row to highlight that measurement in the schematics below.

2D Dimension Schematics

Every case drawn to scale on a shared centre — from above, and in profile against the wrist. Built from the measurements, so it works for every watch whether or not it has a photo.

Highlight
From above — same centre, true scale
From the side — how far each sits off the wrist
  • Garmin Venu 345mm · 12mm thick
  • Samsung Galaxy Watch8 LTE Classic46.4mm · 10.6mm thick

Garmin Venu 3 vs Samsung Galaxy Watch8 LTE Classic on a wrist

Put Garmin Venu 3 and Samsung Galaxy Watch8 LTE Classic on the same arm, sized to your own wrist, and turn it. Side by side or stacked on one spot, whichever answers the question faster.

  • Garmin Venu 3 45mm case, standing 12mm off the wrist.
  • Samsung Galaxy Watch8 LTE Classic 46.4mm case, standing 10.6mm off the wrist.

Whether that clears your wrist edges is the question worth answering, and it depends on your wrist rather than on the case diameter.

See them on a wrist in 3D

Case shapes are generated from each watch's published measurements — case width, lug-to-lug and thickness — not from manufacturer 3D models, so the proportions are accurate while the dial is generic.

Battery life compared

Furthest apart in Smartwatch mode, where the Garmin Venu 3 lasts 7.0× as long as the Samsung Galaxy Watch8 LTE Classic (14 days against 2 days).

Garmin Venu 3Samsung Galaxy Watch8 LTE Classic

  • Battery Saver

    624 hours
  • Smartwatch

    14 days
    2 days
  • GPS

    26 hours

Full Specification Comparison

126 specs
SpecGarmin Venu 3Samsung Galaxy Watch8 LTE Classic
Design
width4546.4
height4546.4
volume24.3 cm³22.82 cm³
weight47 g63.5 g
thickness1210.6
ATM rating5 ATM5 ATM
resolution454 x 454 px438 x 438 px
screen size1.4 inches1.34 inches
Display typeOLED/AMOLEDOLED/AMOLED
Has a displayYesYes
pixel density458 ppi327 ppi
width of band22 mm20 mm
water resistanceWaterproofWater resistant
Always-On DisplayYesYes
has a touch screenYesYes
is designed for kidsNoNo
Gorilla Glass versionGorilla Glass 3
waterproof depth rating50 m50 m
Watch band is replaceableYesYes
Has sapphire glass displayNoYes
maximum operating temperature55 °C35 °C
has branded damage-resistant glassYesNo
lowest potential operating temperature-20 °C0 °C
Ingress Protection (IP) ratingIP68
Battery
charge time1 hours
battery life14 days2 days
battery power297 mAh445 mAh
has wireless chargingNoYes
has a removable batteryNoNo
battery life with GPS on26 hours
Has a solar power batteryNoNo
has a rechargeable batteryYesYes
battery life in power save mode624 hours
Sensors
has GPSYesYes
has a compassYesYes
Has a barometerYesYes
has a gyroscopeYesYes
Has a cadence sensorNoNo
has an accelerometerYesYes
Monitors perspirationNoNo
Has a heart rate monitorYesYes
Has a temperature sensorYesYes
Monitors blood oxygenation levelsYesYes
Features
CPU speed4 x 1.5 GHz
release date2023-08-302025-07-09
Has a stopwatchYesYes
Has smart alarmNoNo
warranty period1 years
Has call controlYesYes
Has silent alarmYesYes
has HRV trackingYesYes
internal storage8GB64GB
measures VO2 maxYesYes
Has notificationsYesYes
Has ECG technologyYesYes
Locates your phoneYesYes
has a front cameraNo
has fall detectionYesYes
has voice commandsNoYes
Acquires GPS fasterYesYes
Has vibrating alertsYesYes
shows readiness levelYesYes
Can be used to answer callsYesYes
measures resting heart rateYesYes
has irregular heart rate warningsYesYes
has fast/slow heart rate notificationsYesYes
Has a built-in camera remote control functionNoYes
RAM2GB
Connectivity
has NFCYesYes
Wi-Fi versionWi-Fi 5 (802.11ac)Wi-Fi 4 (802.11n)
supports ANT+YesNo
supports Wi-FiYesYes
supports GalileoYesYes
Bluetooth version5.35.3
has a cellular moduleNoYes
Is compatible with iOSYesNo
Is compatible with AndroidYesYes
SIM cards1 eSIM
Miscellaneous
has aptXNo
Has auto pauseYesYes
Available on PCYes
Is compatible with WindowsYesNo
Is compatible with Mac OS XYesNo
has an external memory slotNoNo
Compatible with smart scalesYesYes
has a battery level indicatorYesYes
Provides the sunrise/sunset timeYes
has a socket for a 3.5 mm audio jackNoNo
Compatible with external heart rate monitorsYesYes
Has passcodeYes
App & Software
Ad-freeYesYes
Free appYesYes
Tracks BMIYesYes
Has coachingYesYes
Includes mapsYesYes
Supports routesYesYes
Has achievementsYesYes
Has goal settingYesYes
Has live trackingYes
Has exercise diaryYesYes
Predicts ovulationYes
Can be personalisedYesYes
Has weight trackingYesYes
Predicts start dateYesYes
Tracks water intakeYesYes
Has inactivity alertsYesYes
Has period notificationsYesYes
Has temperature trackingYesYes
Doesn’t require accountNo
Provides activity reportsYesYes
Displays fertile window notificationsYes
Counts how many calories you've burnedYesYes
Activity tracking
Measures paceYesYes
Tracks distanceYesYes
Tracks elevationYesYes
Designed for golfYesNo
Tracks your sleepYesYes
Tracks steps takenYesYes
Designed for divingNoNo
Has a route trackerYesYes
Has exercise taggingYesYes
Has multi-sport modeNoNo
Tracks calorie intakeYesYes
Provides sleep reportsYesYes
Detects activities automaticallyYesYes
Has a stroke counter for swimmingYesYes

Wrist Fit

Garmin Venu 3

Sits best on wrists ~4764mm wide (≈ 12.617.1cm circumference).

Samsung Galaxy Watch8 LTE Classic

Sits best on wrists ~4966mm wide (≈ 13.117.6cm circumference).

Frequently Asked Questions

Is the Garmin Venu 3 bigger than the Samsung Galaxy Watch8 LTE Classic?

The Samsung Galaxy Watch8 LTE Classic is bigger — 46.4mm vs 45mm case width.

Which fits a smaller wrist better, the Garmin Venu 3 or the Samsung Galaxy Watch8 LTE Classic?

The Garmin Venu 3 suits wrists around 47–64mm wide, and the Samsung Galaxy Watch8 LTE Classic around 49–66mm. The one with the smaller lower bound is the safer pick for a small wrist.

Can I see the Garmin Venu 3 and Samsung Galaxy Watch8 LTE Classic 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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