Both run Wear OS. The Watch 5 costs noticeably more - for an almost twice-as-big battery and sapphire.
Short answer
Xiaomi Watch 5 - 930 mAh and up to 6 days, 1.54" 480×480, steel and sapphire. Xiaomi Watch 2 - light (36.8 g) and cheaper.
Key differences
| Spec | Xiaomi Watch 2 | Xiaomi Watch 5 |
|---|---|---|
| Display | 1.43", AMOLED, 466×466 | 1.54", AMOLED, 480×480 |
| Chip | Qualcomm Snapdragon W5+ Gen 1 | Qualcomm Snapdragon W5 Gen 1 |
| Memory | 2 GB / 32 GB | 2 GB / 32 GB |
| Battery life | up to 65 h | up to 6 days |
| Battery | 495 mAh | 930 mAh |
| Connectivity | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi |
| Navigation | GPS, GLONASS, Galileo, BeiDou, QZSS (L1 + L5) | GPS, GLONASS, Galileo, BeiDou, QZSS (L1 + L5) |
| NFC | yes | yes |
| Sensors | heart rate, SpO2, barometer, compass, gyroscope | heart rate, SpO2, barometer, compass, gyroscope |
| Protection | 5 ATM | 5 ATM |
| OS | Wear OS | Wear OS |
| Compatibility | Android 8.0+ (GMS) | Android 8.0+ (GMS) |
| Dimensions, weight | 47.5×45.9×11.8 mm, 36.8 g | 47×47×12.3 mm, 56 g |
| Price | current prices | current prices |
Specs come from the device pages on Smartphone.ua.
Chips
Snapdragon W5+ Gen 1 vs W5 Gen 1.
Battery life
Up to 65 h vs up to 6 days.
Case
Aluminium and 36.8 g vs steel, sapphire and 56 g.
Verdict: who should buy which
- Battery life and sapphire - Xiaomi Watch 5.
- Lightness and price - Xiaomi Watch 2.
FAQ
Do they work with an iPhone?
No, they need Android with Google services.
How much storage?
2/32 GB on both.
Which is cheaper?
The Xiaomi Watch 2.