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Background
The Pixel Watch 4 is Google's fourth entry in their line of Pixel smartwatches. Completely redesigned for 2025, Pixel Watch 4 features a larger and brighter domed AMOLED display, an updated Snapdragon W5 Gen 2 processor, and most importantly, a more repairable design.
Announced alongside the Pixel 10 line of smartphones, the Pixel Watch 4 comes in two sizes: 41 and 45 mm, and starts at $350.
Identification
The Pixel Watch 4 has a rounded display with a domed design, a side button, and a digital crown. The watch has 3 case color options and 4 band colors:
- Matte Black Aluminum Case / Obsidian Active Band
- Polished Silver Aluminum Case / Iris Active Band
- Polished Silver Aluminum Case / Porcelain Active Band
- Champagne Gold Aluminum Case* / Lemongrass Active Band
*only the 41 mm size is available in Champagne Gold.
Technical Specifications
Display
- 320 ppi AMOLED 1–60 Hz LTPO "Actua 360" display
- Up to 3000 nits peak brightness
- Always-on display, 1 nit
- Custom 3D Corning Gorilla Glass 5
Battery & Charging
- 41 mm: 325 mAh
- 45 mm: 455 mAh
- Built-in rechargeable lithium-ion battery
- 30–40 hours with always-on display
- Quick Charge Dock
- Charging speeds:
- 15 minutes to 50%
- 25 minutes to 80%
- 60 minutes to 100%
Band Size
- Active Band: Small and large band sizes included
- 41 mm: Small fits wrists 130-175 mm around
- 41 mm: Large fits wrists 165-210 mm around
- 45 mm: Small fits wrists 150-185 mm around
- 45 mm: Large fits wrists 165-215 mm around
Dimensions, Weight, & Durability
- Diameter: 41 or 45 mm
- Height: 12.3 mm
- Weight (without band): 31 g or 36.7 g
- IP68, 5 ATM
Storage
- 32 GB eMMC flash
Memory
- 2 GB SDRAM
Chip
- Qualcomm Snapdragon W5 Gen 2
- Cortex-M55 co-processor
Connectivity
- 4G LTE and UMTS
- Bluetooth 5.0
- Wi-Fi 802.11 b/g/n 2.4GHz
- NFC
OS
- Wear OS 6.0
Compatibility
- Works with most phones running on Android 11.0 or newer. Requires Google Account and Google Pixel Watch app.
Sensors
- Compass
- Altimeter
- Red and infrared sensors for oxygen saturation (SpO2) monitoring
- Multipurpose electrical sensors compatible with ECG app
- Multi-path optical heart rate sensor
- 3-axis accelerometer
- Gyroscope
- Ambient light sensor
- Electrical sensor to measure skin conductance (cEDA) for body response tracking
- Skin temperature sensor
- Barometer
- Magnetometer
Interaction
- Side button
- Haptic crown
- Gen 3 "Premium haptics"
Audio
- Built-in microphone
- Built-in speaker
