WatchFitTool

Amazfit Active vs Samsung Galaxy Watch8 LTE ClassicSize, Specs & Wrist Fit Compared

The Samsung Galaxy Watch8 LTE Classic is 4mm wider, 10.5mm longer, 0.2mm thinner and 36.5g heavier than the Amazfit Active.

Measured against the Amazfit Active.

Case width
42.4mmbaseActive
46.4mm+4mmGalaxy Watch8 LTE Classic
Lug-to-lug
35.9mmbaseActive
46.4mm+10.5mmGalaxy Watch8 LTE Classic
Thickness
10.8mmbaseActive
10.6mm−0.2mmGalaxy Watch8 LTE Classic
Weight
27gbaseActive
63.5g+36.5gGalaxy Watch8 LTE Classic
Amazfit Active
Amazfit Active
42.36mm × 35.9mmFind on AmazonView specs
Samsung Galaxy Watch8 LTE Classic
Samsung Galaxy Watch8 LTE Classic
46.4mm × 46.4mmFind on AmazonView specs

As an Amazon Associate, WatchFitTool earns from qualifying purchases.

Switch or add watches

Amazfit Active

Amazfit

Active

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.

Amazfit Active
Case: 42.36mmL2L: 35.9mmThick: 10.75mm
Edge Clearance
+9.55mm
Understated9.55mm+ clearance. Conservative fit - could go larger if you want more wrist presence.
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 Amazfit Active is the safer pick — it stays proportionate down to roughly 38mm, 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 Amazfit Active (46.4mm vs 42.36mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.

On the wrist the Amazfit Active feels lighter (27g vs 63.5g, case only).

Among the 723 42mm watches we hold thickness for, the Amazfit Active is thinner than 87%, 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

SpecAmazfitActiveSamsungGalaxy Watch8 LTE Classic
Case Width42.36mm46.4mm
Lug-to-Lug35.9mm46.4mm
Thickness10.75mm10.6mm
Weight27g63.5g
ShapeRectangleCircular
Water Resistance5 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.75 inches1.34 inches
Always-On DisplayYesYes
Battery life14 days2 days
Battery power300 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
  • Amazfit Active42.4mm × 35.9mm · 10.8mm thick
  • Samsung Galaxy Watch8 LTE Classic46.4mm · 10.6mm thick

Amazfit Active vs Samsung Galaxy Watch8 LTE Classic on a wrist

Put Amazfit Active 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.

  • Amazfit Active 42.4mm case, standing 10.8mm 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 Amazfit Active lasts 7.0× as long as the Samsung Galaxy Watch8 LTE Classic (14 days against 2 days).

Amazfit ActiveSamsung Galaxy Watch8 LTE Classic

  • Battery Saver

    720 hours
  • Smartwatch

    14 days
    2 days
  • Training

    240 hours
  • GPS

    16 hours

Full Specification Comparison

121 specs
SpecAmazfit ActiveSamsung Galaxy Watch8 LTE Classic
Design
width42.3646.4
height35.946.4
volume16.35 cm³22.82 cm³
weight27 g63.5 g
thickness10.7510.6
ATM rating5 ATM5 ATM
resolution390 x 450 px438 x 438 px
screen size1.75 inches1.34 inches
Display typeOLED/AMOLEDOLED/AMOLED
Has a displayYesYes
pixel density341 ppi327 ppi
width of band20 mm20 mm
water resistanceWater resistantWater resistant
Always-On DisplayYesYes
has a touch screenYesYes
is designed for kidsNoNo
Watch band is replaceableYesYes
Has sapphire glass displayNoYes
has branded damage-resistant glassNoNo
waterproof depth rating50 m
maximum operating temperature35 °C
Ingress Protection (IP) ratingIP68
lowest potential operating temperature0 °C
Battery
charge time2 hours
battery life14 days2 days
battery power300 mAh445 mAh
has wireless chargingNoYes
has a removable batteryNoNo
battery life with GPS on16 hours
Has a solar power batteryNoNo
has a rechargeable batteryYesYes
battery life in training mode240 hours
battery life in power save mode720 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
Features
release date2023-10-272025-07-09
Has a stopwatchYesYes
Has smart alarmNoNo
warranty period1 years
Has call controlYesYes
Has silent alarmYesYes
has HRV trackingYesYes
internal storage0.25GB64GB
Has notificationsYesYes
Has ECG technologyNoYes
Locates your phoneYesYes
has fall detectionNoYes
has voice commandsNoYes
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 functionNoYes
RAM2GB
measures VO2 maxYes
Connectivity
has NFCNoYes
supports ANT+NoNo
supports Wi-FiNoYes
supports GalileoNoYes
Bluetooth version5.25.3
has a cellular moduleNoYes
Is compatible with iOSYesNo
Is compatible with AndroidYesYes
SIM cards1 eSIM
Wi-Fi versionWi-Fi 4 (802.11n)
Miscellaneous
Has passcodeYesYes
Has auto pauseYesYes
Is compatible with WindowsNoNo
Is compatible with Mac OS XNoNo
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
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
Provides activity reportsYesYes
Displays fertile window notificationsYes
Counts how many calories you've burnedYesYes
Activity tracking
Measures paceYesYes
Tracks distanceYesYes
Tracks elevationYesYes
Designed for golfNoNo
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 modeNo

Wrist Fit

Amazfit Active

Sits best on wrists ~3851mm wide (≈ 10.113.6cm circumference).

Samsung Galaxy Watch8 LTE Classic

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

Frequently Asked Questions

Is the Amazfit Active bigger than the Samsung Galaxy Watch8 LTE Classic?

The Samsung Galaxy Watch8 LTE Classic is bigger — 46.4mm vs 42.36mm case width.

Which fits a smaller wrist better, the Amazfit Active or the Samsung Galaxy Watch8 LTE Classic?

The Amazfit Active suits wrists around 38–51mm 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 Amazfit Active 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.

Related Comparisons