vs
4.4Display7.0
8.6Health tracking8.2
7.9Smart features8.6
7.6Build & durability7.6
Dimensions
Size comparison
Pixel Watch 2Pixel Watch 4
| Pixel Watch 2 | Pixel Watch 4 | Difference | |
|---|---|---|---|
| Height | 41 mm | 45 mm | −4 mm |
| Width | 41 mm | 45 mm | −4 mm |
| Thickness | 12.3 mm | 12.3 mm | = |
| Weight | 31 g | 31 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Pixel Watch 2 better than Pixel Watch 4?
Pixel Watch 2 has no measurable advantages in this pair.
Why is Pixel Watch 4 better than Pixel Watch 2?
- Peak brightness1,000 nits vs 3,000 nits3×
- Screen size1.2″ vs 1.4″+17%
- Charged in 30 min53% vs 100%+89%
- Wi-FiWi-Fi 4 vs Wi-Fi 6+50%
- Battery capacity306 mAh vs 455 mAh+49%
Specifications
Side by side
| Design & durability | ||
| Case size | 41 mm | 45 mm |
| Weight | 31 g | 31 g |
| Thickness | 12.3 mm | 12.3 mm |
| Height | 41 mm | 45 mm |
| Width | 41 mm | 45 mm |
| Case material | Aluminium | Aluminium |
| Lens / cover glass | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Strap material | — | Fluorelastomer |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | 50 m / 5 bar / 5 ATM |
| Colours | Polished Silver, Matte Black, Champagne Gold | Matte Black, Polished Silver, Champagne Gold, Satin Moonstone |
| Display | ||
| Screen size | 1.2″ | 1.4″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 450 px | 456 px |
| Resolution (height) | 450 px | 456 px |
| Pixel density | 320 ppi | 320 ppi |
| Peak brightness | 1,000 nits | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 1 days | 1 days |
| Battery capacity | 306 mAh | 455 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | No | No |
| Charged in 30 min | 53% | 100% |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, altimeter, compass, SpO2, thermometer (skin temperature), skin conductance | Accelerometer, gyro, heart rate, altimeter, compass, SpO2, thermometer (skin temperature), skin conductance |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO |
| Barometric altimeter | — | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Satellite messaging | — | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 6 |
| Bluetooth | 5 | 6 |
| Ultra Wideband | Yes | Yes |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | Yes | Yes |
| Storage | 32 GB | 32 GB |
| RAM | 2 GB | 2 GB |
| Platform | ||
| Operating system | Android Wear OS 4 | Android Wear OS 6 |
| Platform | Android | Android |
| Works with | Android | Android |
| Chipset | Qualcomm 5100 | Qualcomm Snapdragon W5 Gen 2 |
