vs
8.8Display3.7
9.2Health tracking5.0
9.0Smart features3.9
Why is Watch Series 9 Aluminum better than Smart Watch 2?
- Built-in GPSYes · Smart Watch 2: No
- AMOLED / OLED displayYes · Smart Watch 2: No
- NFC paymentsYes · Smart Watch 2: No
- LTE (cellular)Yes · Smart Watch 2: No
- eSIMYes · Smart Watch 2: No
- Screen size1.9″ vs 1.8″+6%
- Resolution (width)396 px vs 240 px+65%
- Pixel density326 ppi vs 207 ppi+57%
- Battery capacity308 mAh vs 230 mAh+34%
Why is Smart Watch 2 better than Watch Series 9 Aluminum?
Smart Watch 2 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | — |
| Weight | 31.9 g | — |
| Thickness | 10.7 mm | — |
| Height | 45 mm | — |
| Width | 38 mm | — |
| Case material | Aluminium | Plastic / polymer |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Ion-X strengthened glass | — |
| Water resistance | 5 ATM | — |
| Ingress protection | IP6X | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Midnight, Starlight, Silver, Pink, Red | Black |
| Display | ||
| Screen size | 1.9″ | 1.8″ |
| Display technology | OLED | LCD |
| Panel | Retina LTPO OLED | IPS LCD |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 396 px | 240 px |
| Resolution (height) | 484 px | 286 px |
| Pixel density | 326 ppi | 207 ppi |
| Peak brightness | 2,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 308 mAh | 230 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Charged in 30 min | 53% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | No |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 5.1 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 64 GB | — |
| Platform | ||
| Operating system | watchOS 10 | Proprietary OS |
| Platform | watchOS | Proprietary |
| Chipset | Apple S9 | — |
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