Google Pixel Watch 4
Quick details
Released
October 2025
Dimensions
41 x 41 x 12.3 mm; 45 x 45 x 12.3 mm
Operating system
Wear OS 6.0
Display Actua 360 AMOLED LTPO, 320 ppi
Battery life 41mm: up to 30 hours with always-on display, up to 48 hours in Battery Saver mode; 45mm: up to 40 hours with always-on display, up to 72 hours in Battery Saver mode
Water resistance 5 ATM; IP68
GPS Yes
Sensors Compass, altimeter, SpO2 sensors, multipurpose ECG sensors, multi-path optical heart rate sensor, 3-axis accelerometer, gyroscope, ambient light sensor, cEDA sensor, far-field skin temperature sensor, barometer, magnetometer, dual-frequency GNSS
Technical specifications
General
Release date 2025-10-09
Product type Smartwatch
Physical size 41 x 41 x 12.3 mm; 45 x 45 x 12.3 mm
Weight 41 mm (31 g); 45 mm (36.7 g)
Material Housing: 100% recycled aluminium; Active Band: fluoroelastomer with soft-touch coating; Custom 3D Corning Gorilla Glass 5
Water resistance 5 ATM; IP68
Color options 41mm: Polished Silver/Iris, Polished Silver/Porcelain, Champagne Gold/Lemongrass, Matte Black/Obsidian; 45mm: Satin Moonstone/Moonstone, Polished Silver/Porcelain, Matte Black/Obsidian
Display type Actua 360 AMOLED LTPO, DCI-P3, always-on display
Display resolution 320 ppi
Display brightness Up to 3,000 nits; 1 nit minimum
Display protection Custom 3D Corning Gorilla Glass 5
Battery Rechargeable lithium-ion battery; 41 mm: 325 mAh; 45 mm: 455 mAh
Battery life 41mm: up to 30 hours with always-on display, up to 48 hours in Battery Saver mode; 45mm: up to 40 hours with always-on display, up to 72 hours in Battery Saver mode
Charging Google Pixel Watch Quick Charge Dock
Charging time 41mm: about 15 min to 50%, 25 min to 80%, 45 min to 100%; 45mm: about 15 min to 50%, 30 min to 80%, 60 min to 100%
Sensors
GNSS type Built-in dual-band GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS No (US); Yes (ROW)
Beidou No (US); Yes (ROW)
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate Yes
SpO2 Yes
Temperature Yes
Galvanic skin response Yes
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV Yes
Stress Yes
Blood oxygen Yes
Respiration rate Yes
Skin temperature Yes
ECG Yes
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Daily Readiness Yes
Cardio Load Yes
Target Load Yes
Loss of Pulse Detection Yes (supported regions)
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis Yes
Daily smart features
Smartphone compatibility Most Android 11+
Operating system at launch Wear OS 6.0
Processor Qualcomm Snapdragon W5 Gen 2 + Cortex-M55 co-processor
RAM 2 GB SDRAM
Storage 32 GB eMMC flash
Bluetooth Yes (6.0)
Wi-Fi 802.11a/b/g/n/ac/ax 2.4 GHz and 5 GHz
NFC / connected pay Yes
UWB Yes
Cellular Optional
Smartphone notifications Yes
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage Yes
Voice assistant Gemini
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
