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Wearable comparison

Apple Watch SE 3 vs Samsung Galaxy Watch 8 Classic

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Apple Watch SE 3

Apple Watch SE 3

  • Screen: 40mm: 324 × 394 pixels; 44mm: 368 × 448 pixels.
  • Apple S10; 4-core Neural Engine processor.
  • 64 GB storage in this version.
  • Runs watchOS 26, upgradable to watchOS 27.
  • Wi-Fi 4 support.
KSh 37,500In Stock
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02
Samsung Galaxy Watch 8 Classic

Samsung Galaxy Watch 8 Classic

  • Screen: 438 × 438 pixels.
  • Exynos W1000, 3 nm processor.
  • 2 GB RAM in this version.
  • 64 GB storage in this version.
  • Runs Wear OS 6; One UI 8 Watch.
KSh 38,500In Stock
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2 spaces available

OnePlus Watch 4KSh 38,500
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Xiaomi Watch S1 ProKSh 38,380
Amazfit GTR 3 ProKSh 20,000
Apple Watch Series 8KSh 50,000
2 of 4 products

Our quick verdict

The Apple Watch SE 3 runs watchOS built around the iPhone and is lighter to wear all day, though it works only with an iPhone, while the Samsung Galaxy Watch 8 Classic lasts longer per charge (40 hours) and has a brighter, sharper screen.

Display

Apple Watch SE 3
40mm: 324 × 394 pixels; 44mm: 368 × 448 pixels
Samsung Galaxy Watch 8 Classic
438 × 438 pixels

Performance

Apple Watch SE 3
Apple S10; 4-core Neural Engine processor
Samsung Galaxy Watch 8 Classic
Exynos W1000, 3 nm processor

Software

Apple Watch SE 3
Runs watchOS 26, upgradable to watchOS 27
Samsung Galaxy Watch 8 Classic
Runs Wear OS 6; One UI 8 Watch

Battery life

Apple Watch SE 3
Up to 18 hours per charge
Samsung Galaxy Watch 8 Classic
Up to 40 hours per charge

Portability

Apple Watch SE 3
26.3 g
Samsung Galaxy Watch 8 Classic
63.5 g

Key differences

The main differences to help you choose.

Apple Watch SE 3

  • Lighter: 26.3 g (vs 63.5 g).

Samsung Galaxy Watch 8 Classic

  • Rated for up to 40 hours per charge (vs 18).
  • Brighter display: up to 3,000 nits (vs 1,000).
  • Higher screen resolution: 438 × 438 (vs 324 × 394).

What matters most to you?

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How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityApple Watch SE 3Samsung Galaxy Watch 8 Classic
Battery lifeUp to 18 hours per chargeUp to 40 hours per charge
DisplayOLED display1.34-inch OLED display
PerformanceApple S10 processorExynos W1000 processor
SoftwarewatchOS 26Wear OS 6
ConnectionsWi-Fi 4, Bluetooth 5.3Bluetooth 5.3
Water resistance50 mIP68 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
DisplayAlways-On Retina LTPO OLED1.34-inch Super AMOLED
Screen resolution40mm: 324 × 394 pixels; 44mm: 368 × 448 pixels438 × 438 pixels
Display protectionIon-X glassSapphire crystal
Display features1000 nits (peak)Full-colour always-on display

Connectivity

Connectivity specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
Network / cellularGSM / HSPA / LTE / 5GGSM / HSPA / LTE
SIM / eSIMeSIMeSIM
Wi-FiWi-Fi 802.11 b/g/nWi-Fi 2.4 GHz + 5 GHz
Bluetooth5.3, A2DP, LEBluetooth 5.3
NFCSupported; Apple PaySupported
Positioning / GNSSGPS, GLONASS, GALILEO, QZSSDual-frequency GPS, L1 + L5; GLONASS; BeiDou; Galileo

Identity & design

Identity & design specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
BrandAppleSamsung
ModelApple Watch SE 3Samsung Galaxy Watch 8 Classic
Announced2025, September 092025, July 09
Dimensions40mm: 40 × 34 × 10.7 mm; 44mm: 44 × 38 × 10.7 mm46.4 × 46.0 × 10.6 mm
Weight40mm: GPS 26.3 g, GPS + Cellular 26.4 g; 44mm: GPS 32.9 g, GPS + Cellular 33.0 g63.5 g without band
Build materialsAluminum caseStainless-steel case
Wrist size40mm: 130–200 mm; 44mm: 140–245 mm—
Controls / buttonsDigital Crown with haptic feedback; side buttonRotating bezel; Quick Button; Home and Back buttons

Performance & software

Performance & software specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
ProcessorApple S10; 4-core Neural EngineExynos W1000, 3 nm
CPU64-bit dual-core5-core
GPUPowerVRMali-G68
Storage64 GB64 GB
Operating systemwatchOS 26, upgradable to watchOS 27Wear OS 6; One UI 8 Watch
RAM—2 GB

Audio & communication

Audio & communication specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling; cellular calling on GPS + Cellular modelsBluetooth calling with a connected smartphone; standalone calling on LTE editions

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
SensorsSecond-generation optical heart sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensorSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor; 3D Hall sensor
Health & wellness featuresHigh and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking; mindfulness and medications appsHeart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone.
Sleep trackingSleep duration and sleep stagesSleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where available
Sports / workout modesWorkout app with multiple workout types and automatic workout detection—
Training & outdoor featuresPace and heart-rate zones; compass waypoints and backtrackRunning Coach and dual-frequency route tracking
Safety & emergency featuresEmergency SOS; international emergency calling; Fall Detection; Crash Detection—

Battery & durability

Battery & durability specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
Battery lifeUp to 18 hours normal use; 32 hours Low Power Mode; 7 hours outdoor workoutAlways-On Display off: up to 40 hours Always-On Display on: up to 30 hours
ChargingMagnetic fast chargingFast wireless charging, WPC-based
Water resistance50 m; swimproof5 ATM; IP68
Battery capacity—445 mAh
Durability / certifications—MIL-STD-810H

Compatibility

Compatibility specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
Phone compatibilityiPhone 11 or later, including iPhone SE (2nd generation or later); iOS 26 or laterAndroid 12.0 or later; more than 1.5 GB RAM
Companion appApple Watch app on iPhoneGalaxy Wearable; Samsung Health
ColorsMidnight, StarlightBlack; White

Additional specifications

Additional specifications specifications comparison
SpecificationApple Watch SE 3Samsung Galaxy Watch 8 Classic
Pixels per inch326 ppi—
Peak brightnessUp to 1,000 nits3,000 nits peak
Cover / touchscreenSupported—
Charging timeAbout 45 minutes to 80%—
Release statusAvailable. Released 2025, September 19Available. Released 2025, July 25
Model numbersA3325, A3324, A3328, A3326, A3327, A3329, A3391, A3392SM-L500, SM-L505U
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK; HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, CanadaHSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK; 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71
5G bandsSA/NSA—
Network speedHSPA, LTE, 5GHSPA, LTE
SAR (US)1.18 W/kg (head)1.04 W/kg (head) 0.41 W/kg (body)
SAR (EU)0.42 W/kg (head)0.03 W/kg (head) 0.67 W/kg (body)
Additional hardware featuresMedia playback—
Battery typeRechargeable lithium-ion—
Case material—Stainless steel
Additional durability features—Rotating bezel

Similarities

  • Both use Bluetooth 5.3.
  • Both have NFC.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both support eSIM.
  • Both offer 64 GB of storage.

In summary

For most buyers the Samsung Galaxy Watch 8 Classic is the better buy; the Apple Watch SE 3 makes sense if you want a lighter watch for all-day wear.

Back to compared products ↑

In-stock alternatives

Google Pixel Watch 3For Apple Watch SE 3Google Pixel Watch 3View product ↗WHOOP ONE 5.0 SensorFor Apple Watch SE 3WHOOP ONE 5.0 SensorView product ↗OnePlus Watch 4For Samsung Galaxy Watch 8 ClassicOnePlus Watch 4View product ↗Samsung Galaxy Watch 9 40mmFor Samsung Galaxy Watch 8 ClassicSamsung Galaxy Watch 9 40mmView product ↗

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