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Wearable comparison

Google Pixel Watch 3 vs OnePlus Watch 4

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Google Pixel Watch 3

Google Pixel Watch 3

  • Qualcomm Snapdragon W5 Gen 1; Cortex-M33 coprocessor processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS 5.
  • Wi-Fi 6 support.
KSh 37,500In 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

Samsung Galaxy Watch 9 40mmKSh 39,500
Samsung Galaxy Watch 8 ClassicKSh 38,500
Google Pixel Watch 5 41mmKSh 42,000
WHOOP ONE 5.0 SensorKSh 37,000
Amazfit Balance 2KSh 39,000
Google Pixel Watch 4KSh 44,500
Huawei Watch GT Runner 2KSh 37,000
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, brighter screen and a premium titanium build, while the Google Pixel Watch 3 takes ECG heart-rhythm readings, is lighter to wear all day and has a cellular option for calls without your phone.

Performance

Google Pixel Watch 3
Qualcomm Snapdragon W5 Gen 1; Cortex-M33 coprocessor processor
OnePlus Watch 4
Qualcomm Snapdragon W5; BES2800 MCU processor

Software

Google Pixel Watch 3
Runs Wear OS 5
OnePlus Watch 4
Runs OxygenOS Watch 8; Wear OS 6.0

Connections

Google Pixel Watch 3
Bluetooth 5.3 connection
OnePlus Watch 4
Bluetooth 5.2 connection

Battery life

Google Pixel Watch 3
Up to 24 hours per charge
OnePlus Watch 4
646 mAh battery

Portability

Google Pixel Watch 3
31 g
OnePlus Watch 4
68 g

Key differences

The main differences to help you choose.

Google Pixel Watch 3

  • Lighter: 31 g (vs 68 g).
  • ECG heart-rhythm readings.
  • LTE edition: eSIM.
  • Cellular option (LTE/5G models) for calls and data without your phone.
  • Syncs with third-party apps such as Strava and Apple Health.

OnePlus Watch 4

  • Longer rated battery life: up to 5 days (vs 24 hours).
  • Larger 1.5-inch screen (vs 1.2-inch).
  • Brighter display: up to 3,000 nits (vs 2,000).
  • Titanium case (vs aluminium case).
  • Newer model: released in 2026 (vs 2024).

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.

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6 priorities selected.
How each product answers the selected priorities
PriorityGoogle Pixel Watch 3OnePlus Watch 4
Battery lifeUp to 24 hours per charge646 mAh battery
Storage32 GB storage32 GB storage
PerformanceQualcomm Snapdragon W5 Gen 1 processorQualcomm Snapdragon W5 processor
SoftwareWear OS 5OxygenOS Watch 8
ConnectionsWi-Fi 6, Bluetooth 5.3Bluetooth 5.2
Display1.2-inch OLED display, 60 Hz, 320 ppi1.5-inch OLED display, 310 ppi

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
Display41 mm: 1.2-inch; 45 mm: 1.4-inch Actua LTPO AMOLED1.5-inch LTPO OLED
Screen resolution41 mm: 408 × 408; 45 mm: 456 × 456 pixels; 320 ppi466 × 466 pixels; 310 ppi
Display protection3D Corning Gorilla Glass 5Sapphire crystal
Display featuresAlways-on display; 1–60 Hz; DCI-P3 colour600 nits (typ), 1600 nits (HBM), 3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
Network / cellularLTE and UMTS on cellular editionsNo cellular connectivity
SIM / eSIMLTE edition: eSIMUnsupported
Wi-FiWi-Fi 802.11a/b/g/n/ac/ax; 2.4 GHz + 5 GHzWi-Fi 2.4 GHz + 5 GHz
BluetoothBluetooth 5.3Bluetooth 5.2
NFCSupportedSupported
Positioning / GNSSGPS; Galileo; GLONASS; BeiDou; QZSSDual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSS
Ultra Wideband (UWB)Supported—

Identity & design

Identity & design specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
BrandGoogleOnePlus
ModelGoogle Pixel Watch 3OnePlus Watch 4
Announced2024, August 132026, April 22
Dimensions41 mm or 45 mm diameter × 12.3 mm height47.4 × 47.4 × 11.0 mm
Weight41 mm: 31 g; 45 mm: 37 g, without bandApproximately 43 g without strap; 68 g with strap
Build materialsAluminum caseTitanium-alloy case; PA and fibreglass back
Wrist size41 mm: small 130–175 mm, large 165–210 mm; 45 mm: small 150–185 mm, large 165–215 mm140–210 mm
Strap / bandActive Band; fluoroelastomerFluororubber
Controls / buttonsRotating haptic crown, side button, and touchscreen—

Performance & software

Performance & software specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
ProcessorQualcomm Snapdragon W5 Gen 1; Cortex-M33 coprocessorQualcomm Snapdragon W5; BES2800 MCU
RAM2 GB SDRAM2 GB
Storage32 GB eMMC32 GB
Operating systemWear OS 5OxygenOS Watch 8; Wear OS 6.0

Audio & communication

Audio & communication specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth or LTE calling depending on model and carrierBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
SensorsCompass; altimeter; red and infrared SpO₂ sensors; electrical ECG sensors; multipath optical heart-rate sensor; accelerometer; gyroscope; ambient-light sensor; cEDA skin-conductance sensor; skin-temperature sensor; barometer; magnetometerAccelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer; wrist-temperature sensor
Health & wellness featuresContinuous heart rate; ECG; SpO₂; skin temperature; stress tracking; cEDAHeart 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 stages; sleep score; overnight health metricsDeep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessment
Sports / workout modesMore than 40 exercise modes with running insights100+ sports modes
Training & outdoor featuresCardio load, target load, readiness, running form and GPS route trackingAerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track running
Safety & emergency featuresEmergency SOS; fall detection; safety checkFall detection; emergency rescue

Battery & durability

Battery & durability specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
Battery capacity41 mm: 307 mAh; 45 mm: 420 mAh646 mAh typical; 632 mAh rated
Battery lifeUp to 24 hours with always-on display; 36 hours Battery SaverUp to 5 days smart mode; 3 days heavy use; 16 days power saver
ChargingUSB-C magnetic pin chargingCharging base with USB-C cable
Water resistance5 ATM; IP685 ATM; IP69; IP68
Durability / certificationsIP68-rated dust and water resistanceMIL-STD-810H

Compatibility

Compatibility specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
Phone compatibilityAndroid 10 or later; Google accountAndroid 9.0 or later; GMS 23.45.23 or later
Companion appGoogle Pixel Watch; FitbitOHealth
Colors41 mm: Obsidian, Porcelain, Hazel, Rose Quartz; 45 mm: Obsidian, Porcelain, HazelMidnight Titanium; Evergreen Titanium

Additional specifications

Additional specifications specifications comparison
SpecificationGoogle Pixel Watch 3OnePlus Watch 4
Case material100% recycled aluminumTitanium alloy
Pixels per inch320 ppi310 ppi
Peak brightness2,000 nits peak; 1 nit minimum600 nits typical; 1,500 nits high-brightness mode; 3,000 nits peak in supported sports modes
Charging time41 mm: 24/35/60 minutes to 50/80/100%; 45 mm: 28/50/80 minutesApproximately 75 minutes
Packing listWatch; small and large bands; charging dock or cable; quick start guideWatch; charging base; strap; USB-C cable; user guide; safety and warranty booklet
Third-party fitness appsGoogle Play apps; Google Maps; Google Wallet; Google Assistant—
Release statusAvailable. Released 2024, September 10Available. Released 2026, April
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
2G bandsGSM 850 / 900 / 1800 / 1900—
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100—
4G bandsLTE—
Network speedHSPA, LTE—
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 offer 32 GB of storage.

In summary

Get the OnePlus Watch 4 if you want longer battery life and a larger 1.5-inch, brighter screen, or the Google Pixel Watch 3 if you would rather have ECG heart-rhythm readings and a lighter watch for all-day wear.

Back to compared products ↑

In-stock alternatives

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

Related comparisons

Google Pixel Watch 3Samsung Galaxy Watch 9 40mmGoogle Pixel Watch 3Samsung Galaxy Watch 8 ClassicGoogle Pixel Watch 3Google Pixel Watch 5 41mmGoogle Pixel Watch 3WHOOP ONE 5.0 SensorGoogle Pixel Watch 3Amazfit Balance 2Google Pixel Watch 3Google Pixel Watch 4Google Pixel Watch 3Huawei Watch GT Runner 2Google Pixel Watch 3Apple Watch SE 3Google Pixel Watch 3Huawei Watch 6 46 mm
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