vs
6.6Display7.8
9.0Smart features7.5
8.1Build & durability6.0
Dimensions
Size comparison
Watch SE 2Sense 2
| Watch SE 2 | Sense 2 | Difference | |
|---|---|---|---|
| Height | 44 mm | 40.5 mm | +3.5 mm |
| Width | 38 mm | 40.5 mm | −2.5 mm |
| Thickness | 10.7 mm | 12.3 mm | −1.6 mm |
| Weight | 33 g | 38 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch SE 2 better than Sense 2?
- Weight33 g vs 37.6 g+14%
- Battery capacity296 mAh vs 162 mAh+83%
- Thickness10.7 mm vs 12.3 mm+15%
Why is Sense 2 better than Watch SE 2?
Sense 2 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 40 mm |
| Weight | 33 g | 37.6 g |
| Thickness | 10.7 mm | 12.3 mm |
| Height | 44 mm | 40.5 mm |
| Width | 38 mm | 40.5 mm |
| Case material | Aluminium | Aluminium |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Ion-X strengthened glass | — |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | — | 50 m / 5 ATM |
| Colours | Midnight, Starlight, Silver | — |
| Display | ||
| Screen size | 1.78″ | — |
| Display technology | OLED | AMOLED |
| Panel | Retina LTPO OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Resolution (width) | 368 px | — |
| Resolution (height) | 448 px | — |
| Pixel density | 326 ppi | — |
| Peak brightness | 1,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 6 days |
| Battery capacity | 296 mAh | 162 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass | accelerometer, ambient light |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, QZSS | GPS, GLONASS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | — |
| eSIM | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 5 |
| Smart features | ||
| Calls from the wrist | — | Yes |
| Speaker | Yes | Yes |
| Microphone | — | Yes |
| Voice assistant | — | Yes |
| Storage | 32 GB | — |
| RAM | 1 GB | — |
| Platform | ||
| Operating system | watchOS 9.0 | — |
| Platform | watchOS | — |
| Works with | — | iOS |
| Chipset | Apple S8 | — |
