Skip to content

Wearable comparison

Samsung Galaxy Watch 8 Classic vs OnePlus Watch 4

Compare battery life, health tracking, display and fit.

Compared products
01Selected
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
Add to cart
02
OnePlus Watch 4

OnePlus Watch 4

  • Screen: 466 × 466 pixels; 310 ppi.
  • Qualcomm Snapdragon W5; BES2800 MCU processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs OxygenOS Watch 8; Wear OS 6.0.
KSh 38,500In Stock
Add to cart

Add to comparison

2 spaces available

Samsung Galaxy Watch 9 44mmKSh 42,000
Samsung Galaxy Watch 9 40mmKSh 39,500
Samsung Galaxy Watch UltraKSh 45,000
Google Pixel Watch 3KSh 37,500
Samsung Galaxy Watch Ultra 2025KSh 44,000
WHOOP ONE 5.0 SensorKSh 37,000
Amazfit Balance 2KSh 39,000
2 of 4 products

Our quick verdict

The OnePlus Watch 4 lasts longer between charges (up to 5 days) and has a larger 1.5-inch screen and a premium titanium build, while the Samsung Galaxy Watch 8 Classic is lighter to wear all day and has more storage (64 GB) and a cellular option for calls without your phone.

Display

Samsung Galaxy Watch 8 Classic
438 × 438 pixels
OnePlus Watch 4
466 × 466 pixels; 310 ppi

Performance

Samsung Galaxy Watch 8 Classic
Exynos W1000, 3 nm processor
OnePlus Watch 4
Qualcomm Snapdragon W5; BES2800 MCU processor

Storage

Samsung Galaxy Watch 8 Classic
64 GB storage in this version
OnePlus Watch 4
32 GB storage in this version

Software

Samsung Galaxy Watch 8 Classic
Runs Wear OS 6; One UI 8 Watch
OnePlus Watch 4
Runs OxygenOS Watch 8; Wear OS 6.0

Connections

Samsung Galaxy Watch 8 Classic
Bluetooth 5.3 connection
OnePlus Watch 4
Bluetooth 5.2 connection

Key differences

The main differences to help you choose.

Samsung Galaxy Watch 8 Classic

  • Lighter: 63.5 g (vs 68 g).
  • More storage: 64 GB (vs 32 GB).
  • eSIM.
  • Cellular option (LTE/5G models) for calls and data without your phone.

OnePlus Watch 4

  • Longer rated battery life: up to 5 days (vs 40 hours).
  • Bigger battery: 646 mAh (vs 445 mAh).
  • Larger 1.5-inch screen (vs 1.34-inch).
  • Titanium case (vs stainless steel case).

What matters most to you?

Choose any priorities

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

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PrioritySamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Battery lifeUp to 40 hours per charge646 mAh battery
Storage64 GB storage32 GB storage
Display1.34-inch OLED display1.5-inch OLED display, 310 ppi
PerformanceExynos W1000 processorQualcomm Snapdragon W5 processor
SoftwareWear OS 6OxygenOS Watch 8
Battery capacity445 mAh battery646 mAh battery

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Display1.34-inch Super AMOLED1.5-inch LTPO OLED
Screen resolution438 × 438 pixels466 × 466 pixels; 310 ppi
Display protectionSapphire crystalSapphire crystal
Display featuresFull-colour always-on display600 nits (typ), 1600 nits (HBM), 3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Network / cellularGSM / HSPA / LTENo cellular connectivity
SIM / eSIMeSIMUnsupported
Wi-FiWi-Fi 2.4 GHz + 5 GHzWi-Fi 2.4 GHz + 5 GHz
BluetoothBluetooth 5.3Bluetooth 5.2
NFCSupportedSupported
Positioning / GNSSDual-frequency GPS, L1 + L5; GLONASS; BeiDou; GalileoDual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSS

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
BrandSamsungOnePlus
ModelSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Announced2025, July 092026, April 22
Dimensions46.4 × 46.0 × 10.6 mm47.4 × 47.4 × 11.0 mm
Weight63.5 g without bandApproximately 43 g without strap; 68 g with strap
Build materialsStainless-steel caseTitanium-alloy case; PA and fibreglass back
Controls / buttonsRotating bezel; Quick Button; Home and Back buttons—
Wrist size—140–210 mm
Strap / band—Fluororubber

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
ProcessorExynos W1000, 3 nmQualcomm Snapdragon W5; BES2800 MCU
CPU5-core—
GPUMali-G68—
RAM2 GB2 GB
Storage64 GB32 GB
Operating systemWear OS 6; One UI 8 WatchOxygenOS Watch 8; Wear OS 6.0

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editionsBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor; 3D Hall sensorAccelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer; wrist-temperature sensor
Health & wellness featuresHeart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone.Heart rate; high and low heart-rate alerts; SpO₂ spot checks and all-day monitoring; stress; breathing exercises; cycle tracking; 60-second Wellness Overview
Sleep trackingSleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where availableDeep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessment
Training & outdoor featuresRunning Coach and dual-frequency route trackingAerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track running
Sports / workout modes—100+ sports modes
Safety & emergency features—Fall detection; emergency rescue

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Battery capacity445 mAh646 mAh typical; 632 mAh rated
Battery lifeAlways-On Display off: up to 40 hours Always-On Display on: up to 30 hoursUp to 5 days smart mode; 3 days heavy use; 16 days power saver
ChargingFast wireless charging, WPC-basedCharging base with USB-C cable
Water resistance5 ATM; IP685 ATM; IP69; IP68
Durability / certificationsMIL-STD-810HMIL-STD-810H

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Phone compatibilityAndroid 12.0 or later; more than 1.5 GB RAMAndroid 9.0 or later; GMS 23.45.23 or later
Companion appGalaxy Wearable; Samsung HealthOHealth
ColorsBlack; WhiteMidnight Titanium; Evergreen Titanium

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch 8 ClassicOnePlus Watch 4
Case materialStainless steelTitanium alloy
Peak brightness3,000 nits peak600 nits typical; 1,500 nits high-brightness mode; 3,000 nits peak in supported sports modes
Release statusAvailable. Released 2025, July 25Available. Released 2026, April
Model numbersSM-L500, SM-L505U—
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
2G bandsGSM 850 / 900 / 1800 / 1900—
3G bandsHSDPA 850 / 900 / 2100—
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71—
Network speedHSPA, LTE—
SAR (US)1.04 W/kg (head) 0.41 W/kg (body)—
SAR (EU)0.03 W/kg (head) 0.67 W/kg (body)—
Additional durability featuresRotating bezel—
Pixels per inch—310 ppi
Charging time—Approximately 75 minutes
Packing list—Watch; charging base; strap; USB-C cable; user guide; safety and warranty booklet
Smart recognition—Running; walking; cycling; swimming; rowing machine; elliptical
Maximum charging power—Approximately 7.5 W
Operating temperature—0–35 °C

Similarities

  • Both have 2 GB RAM.
  • Both have NFC.
  • Both are water resistant to 50 m.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both have similar screen sizes (1.34 and 1.5 inches).

In summary

Get the OnePlus Watch 4 if you want longer battery life and a larger 1.5-inch screen, or the Samsung Galaxy Watch 8 Classic if you would rather have a lighter watch for all-day wear and more storage.

Back to compared products ↑

In-stock alternatives

Amazfit Balance 2For Samsung Galaxy Watch 8 ClassicAmazfit Balance 2View product ↗Google Pixel Watch 3For Samsung Galaxy Watch 8 ClassicGoogle Pixel Watch 3View product ↗Samsung Galaxy Watch 9 40mmFor OnePlus Watch 4Samsung Galaxy Watch 9 40mmView product ↗WHOOP ONE 5.0 SensorFor OnePlus Watch 4WHOOP ONE 5.0 SensorView product ↗

Related comparisons

Samsung Galaxy Watch 8 ClassicSamsung Galaxy Watch 9 44mmSamsung Galaxy Watch 8 ClassicSamsung Galaxy Watch 9 40mmSamsung Galaxy Watch UltraSamsung Galaxy Watch 8 ClassicGoogle Pixel Watch 3Samsung Galaxy Watch 8 ClassicSamsung Galaxy Watch 8 ClassicSamsung Galaxy Watch Ultra 2025Samsung Galaxy Watch 8 ClassicWHOOP ONE 5.0 SensorSamsung Galaxy Watch 8 ClassicAmazfit Balance 2Samsung Galaxy Watch 8 ClassicHuawei Watch GT Runner 2Samsung Galaxy Watch 8 ClassicHuawei Watch 6 46 mm
Menu
Need Help? +254 112891117
Back to Top

My Cart