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Wearable comparison

OnePlus Watch 3 vs OnePlus Watch 4

Compare battery life, health tracking, display and fit.

Compared products
01Selected
OnePlus Watch 3

OnePlus Watch 3

  • Screen: 466 × 466 pixels.
  • Qualcomm Snapdragon W5; BES2800BP MCU processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS by Google; RTOS.
KSh 33,000In Stock
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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
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2 spaces available

Huawei Watch GT 7 41mmKSh 33,000
Amazfit T-Rex 3KSh 33,000
OnePlus Watch 2RKSh 28,500
OnePlus Watch 2KSh 29,500
Huawei Watch GT 5 ProKSh 34,000
Huawei Watch GT 6 ProKSh 33,500
Xiaomi Watch 5KSh 30,000
2 of 4 products

Our quick verdict

With the same 1.5-inch OLED screen, Qualcomm Snapdragon W5 processor and 2 GB of RAM, the OnePlus Watch 4 is lighter to wear all day and has a brighter screen for outdoor use, while the OnePlus Watch 3 lasts longer between charges (16 days).

Display

OnePlus Watch 3
466 × 466 pixels
OnePlus Watch 4
466 × 466 pixels; 310 ppi

Performance

OnePlus Watch 3
Qualcomm Snapdragon W5; BES2800BP MCU processor
OnePlus Watch 4
Qualcomm Snapdragon W5; BES2800 MCU processor

Software

OnePlus Watch 3
Runs Wear OS by Google; RTOS
OnePlus Watch 4
Runs OxygenOS Watch 8; Wear OS 6.0

Battery life

OnePlus Watch 3
648 mAh battery
OnePlus Watch 4
646 mAh battery

Portability

OnePlus Watch 3
81 g
OnePlus Watch 4
68 g

Key differences

The main differences to help you choose.

OnePlus Watch 3

  • Longer battery life: up to 16 days (vs 5).
  • Lower price: KSh 33,000 (vs KSh 38,500).

OnePlus Watch 4

  • Brighter display: up to 3,000 nits (vs 2,200).
  • Lighter: 68 g (vs 81 g).

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
PriorityOnePlus Watch 3OnePlus Watch 4
Battery life648 mAh battery646 mAh battery
Storage32 GB storage32 GB storage
Display1.5-inch OLED display1.5-inch OLED display, 310 ppi
PerformanceQualcomm Snapdragon W5 processorQualcomm Snapdragon W5 processor
Memory2 GB RAM2 GB RAM
SoftwareWear OS by GoogleOxygenOS Watch 8

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
Display1.50-inch LTPO AMOLED1.5-inch LTPO OLED
Screen resolution466 × 466 pixels466 × 466 pixels; 310 ppi
Display protectionSapphire crystalSapphire crystal
Display features2200 nits (peak)600 nits (typ), 1600 nits (HBM), 3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
Network / cellularNo cellular connectivityNo cellular connectivity
SIM / eSIMNoUnsupported
Wi-FiWi-Fi 2.4 GHz + 5 GHzWi-Fi 2.4 GHz + 5 GHz
BluetoothBluetooth 5.2Bluetooth 5.2
NFCSupportedSupported
Positioning / GNSSDual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSSDual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSS

Identity & design

Identity & design specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
BrandOnePlusOnePlus
ModelOnePlus Watch 3OnePlus Watch 4
Announced2025, February 182026, April 22
Dimensions46.6 × 47.6 × 11.75 mm, excluding lugs and sensor area47.4 × 47.4 × 11.0 mm
Weight49.7 g without strap; 81 g with strapApproximately 43 g without strap; 68 g with strap
Build materialsTitanium bezel; stainless-steel case; sapphire crystalTitanium-alloy case; PA and fibreglass back
Wrist size140–210 mm140–210 mm
Strap / bandFluororubber strap with stainless-steel buckle; configuration dependentFluororubber
Controls / buttonsRotating crown, action button, and touchscreen—

Performance & software

Performance & software specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
ProcessorQualcomm Snapdragon W5; BES2800BP MCUQualcomm Snapdragon W5; BES2800 MCU
RAM2 GB2 GB
Storage32 GB32 GB
Operating systemWear OS by Google; RTOSOxygenOS Watch 8; Wear OS 6.0

Audio & communication

Audio & communication specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphoneBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
SensorsAccelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer; wrist-temperature sensorAccelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer; wrist-temperature sensor
Health & wellness features60-second Health Check-In; Mind and Body; arterial-stiffness assessment; wrist temperature; heart-rate monitoring and alerts; SpO₂Heart rate; high and low heart-rate alerts; SpO₂ spot checks and all-day monitoring; stress; breathing exercises; cycle tracking; 60-second Wellness Overview
Sleep trackingDeep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessmentDeep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessment
Sports / workout modes100+ sports modes100+ sports modes
Training & outdoor featuresAerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track runningAerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track running
Safety & emergency features—Fall detection; emergency rescue

Battery & durability

Battery & durability specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
Battery capacityLi-Ion 648 mAh646 mAh typical; 632 mAh rated
Battery lifeUp to 16 days power saver; 5 days smart mode; 3 days heavy useUp to 5 days smart mode; 3 days heavy use; 16 days power saver
ChargingCharging base with USB-C cableCharging base with USB-C cable
Water resistance5 ATM; IP685 ATM; IP69; IP68
Durability / certificationsMIL-STD-810HMIL-STD-810H

Compatibility

Compatibility specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
Phone compatibilityAndroid 9.0 or later; GMS 23.45.23 or laterAndroid 9.0 or later; GMS 23.45.23 or later
Companion appOHealthOHealth
ColorsObsidian Titanium; Emerald TitaniumMidnight Titanium; Evergreen Titanium

Additional specifications

Additional specifications specifications comparison
SpecificationOnePlus Watch 3OnePlus Watch 4
Case materialStainless steel; titanium bezelTitanium alloy
Peak brightness2,200 nits peak600 nits typical; 1,500 nits high-brightness mode; 3,000 nits peak in supported sports modes
Packing listWatch; charging base; strap; USB-C cable; safety guide; quick start guideWatch; charging base; strap; USB-C cable; user guide; safety and warranty booklet
Smart recognitionRunning; walking; cycling; swimming; rowing machine; ellipticalRunning; walking; cycling; swimming; rowing machine; elliptical
Release statusAvailable. Released 2025, March 03Available. Released 2026, April
Model numbersOPWWE251—
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
Network speedNo—
Pixels per inch—310 ppi
Charging time—Approximately 75 minutes
Maximum charging power—Approximately 7.5 W
Operating temperature—0–35 °C

Similarities

  • Both use the Qualcomm Snapdragon W5 processor.
  • Both have 2 GB RAM.
  • Both have NFC.
  • Both have a titanium case.
  • Both are water resistant to 50 m.
  • Both take calls over Bluetooth.

In summary

For most buyers the OnePlus Watch 4 is the better buy; the OnePlus Watch 3 makes sense if you want longer battery life.

Back to compared products ↑

In-stock alternatives

Amazfit T-Rex 3For OnePlus Watch 3Amazfit T-Rex 3View product ↗Huawei Watch GT 6 ProFor OnePlus Watch 3Huawei Watch GT 6 ProView product ↗Samsung Galaxy Watch 8 ClassicFor OnePlus Watch 4Samsung Galaxy Watch 8 ClassicView product ↗

Related comparisons

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