Full Specifications
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| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | LTE |
| Speed | HSPA, LTE |
Launch
| Announced | 2025, August 20 |
| Status | Available. Released 2025, October 09 |
Body
| Dimensions | 45 x 45 x 12.3 mm (1.77 x 1.77 x 0.48 in) |
| Weight | 31 g or 37 g (1.09 oz) |
| Build | Glass front (Gorilla Glass 5), aluminum frame |
| SIM | eSIM |
| Protection | IP68 dust tight and water resistant (immersible up to 50m/5ATM) |
| Certification | ECG certified |
Display
| Type | LTPO AMOLED, 3000 nits (peak) |
| Size | 1.4 inches |
| Resolution | 456 x 456 pixels (~320 ppi density) |
| Protection | Corning Gorilla Glass 5 |
Hardware & Software
| OS | Android Wear OS 6 |
| Chipset | Qualcomm Snapdragon W5 Gen 2 (4 nm) |
| CPU | Quad-core (4x1.7 GHz Cortex-A53) |
| GPU | Adreno A702 |
Memory & Storage
| Card slot | No |
| Internal | 32GB 2GB RAM |
| Storage Type | eMMC |
Main Camera
| Camera | No |
Sound
| Loudspeaker | Yes |
| 3.5mm jack | No |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band |
| Bluetooth | 6.0, A2DP |
| Positioning | GPS (L1+L5), GLONASS, GALILEO (E1+E5a) |
| NFC | Yes |
| Radio | No |
| USB | No |
Features
| Sensors | Accelerometer, gyro, heart rate, altimeter, compass, SpO2, thermometer (skin temperature), skin conductance |
| Satellite Service | Satellite SOS service (LTE models only) |
| UWB Support | Ultra Wideband (UWB) support |
Battery
| Type | Li-Ion 455 mAh |
| Charging | Wired, 50% in 15 min, 80% in 30 min, 100% in 60 min - 45mm model Wired, 50% in 15 min, 80% in 25 min, 100% in 45 min - 41mm model |
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Description
Overview & Display
The Google Pixel Watch 4 arrives with a compact 45mm aluminum body that feels remarkably lightweight on the wrist, tipping the scales at just 31 or 37 grams depending on the variant. Gorilla Glass 5 shields the front, and the IP68 rating combined with 5ATM water resistance means this watch is ready for everything from a rainy commute to a swim in the pool. The 1.4-inch LTPO AMOLED panel is genuinely impressive, pushing 456 x 456 pixels at roughly 320 pixels per inch. With a peak brightness of 3000 nits, the display stays perfectly legible even under harsh midday sun, and the ECG certification adds a layer of health credibility that serious users will appreciate.
Inside, the Snapdragon W5 Gen 2 chipset built on a 4nm process keeps everything running smoothly. The quad-core Cortex-A53 CPU clocks at 1.7GHz, paired with 2GB of RAM and 32GB of eMMC storage. Wear OS 6 feels responsive, and the Adreno A702 GPU handles animations, watch faces, and app transitions without stutter. Daily multitasking—checking notifications, launching fitness tracking, toggling between apps—is fluid and frustration-free. The generous 32GB capacity means offline playlists and third-party apps coexist comfortably without constant storage management.
Camera & Battery
The Pixel Watch 4 doesn't include a camera, which is entirely expected for a smartwatch in this class—the focus here is on health, connectivity, and convenience rather than photography. What it does offer is a robust sensor suite: heart rate monitoring, SpO2 tracking, skin temperature sensing, and skin conductance measurement. The altimeter and compass round out the outdoor toolkit, while dual-band GPS with L1+L5 support ensures accurate location tracking during runs, hikes, or cycling sessions. The satellite SOS feature on LTE models adds genuine peace of mind for those who venture off the beaten path.
Battery life holds up well for a watch of this size. The 455mAh cell charges quickly—50% in just 15 minutes, 80% in 30 minutes, and a full charge in about 60 minutes for the 45mm model. The 41mm variant reaches 100% in just 45 minutes, making it even quicker to top up. In practical terms, you'll get through a full day of activity tracking, notifications, and sleep monitoring without hunting for the charger. A brief top-up during your morning routine is enough to keep the watch running through the day, which is exactly what you want from a wearable.
Who Should Buy This
The Google Pixel Watch 4 is tailor-made for fitness enthusiasts and health-conscious individuals who want a comprehensive wearable with serious tracking capabilities. The combination of heart rate, SpO2, skin temperature, and skin conductance sensors makes it a powerful daily health companion. Outdoor adventurers will appreciate the dual-band GPS, altimeter, compass, and 5ATM water resistance, while the satellite SOS feature on LTE models provides an extra layer of safety for off-grid excursions. If you're someone who prioritizes photography from your wrist or needs extensive offline media storage, this might not be the right fit. But for anyone seeking a durable, bright, and fast-charging smartwatch with deep health integration, the Pixel Watch 4 is an excellent choice.
Pros
- Bright 3000-nit AMOLED display for outdoor visibility
- IP68 and 5ATM water resistance for durability
- Comprehensive health sensor suite including ECG
- Fast wired charging reaches 100% in under an hour
- Satellite SOS and UWB support on LTE models
Cons
- No camera for quick photo captures
- No USB port for wired data transfer
- eMMC storage limits read/write performance
- 2GB RAM may constrain heavy multitasking
Verdict
The Google Pixel Watch 4 delivers a refined wearable experience with its bright display, durable construction, and comprehensive health tracking. Fast charging is genuinely convenient, and the satellite SOS capability adds real safety value. The absence of a camera is a non-issue for most smartwatch users, though the eMMC storage and 2GB RAM are modest by modern standards. Overall, this is a well-executed smartwatch that balances features, durability, and everyday usability. If you're in the market for a health-focused wearable with excellent outdoor visibility and quick charging, the Pixel Watch 4 deserves serious consideration.
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