Amazfit
Device summary
Polar
Grit X2
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2025 |
| Starting price | — | $520 |
| Display size | 1.3-inch | 1.3-inch |
| Dimensions | 44.8 mm × 44.8 mm × 13.2 mm | 44.7 mm × 44.7 mm × 12.5 mm |
| Weight | 47 g | 39 g |
| Front material | — | Sapphire Glass |
| Back material | — | Plastic |
| Display | ||
| Display technology | AMOLED | AMOLED |
| Resolution | 466 × 466 | 416 × 416 |
| Peak brightness | 3000 nits | — |
| Protection | Sapphire | Sapphire Glass |
| Performance | ||
| Expandable storage | No | No |
| Storage | — | 32 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Proprietary / USB-C. Smartwatch mode up to 7 days; performance training (GPS + HR) up to 30 h; eco training up to 90 h (power-save — not everyday life). Complete watch 62 g with wristband; body 39 g without |
| Battery type | Lithium-ion | Li-Pol (310 mAh) |
| Rated capacity | 500 mAh | — |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | GPS / GLONASS / Galileo / BeiDou / QZSS (dual-frequency), Offline full-color maps and route guidance, Polar Elixir™ (ECG GEN 1, SpO2 GEN 1, skin temp GEN 1, OHR GEN 4), Barometer; magnetometer compass; ambient light sensor, Polar Flow |
| Wi‑Fi | Wi-Fi | — |
| Bluetooth | Bluetooth | Bluetooth® LE |
| Build & durability | ||
| Frame | Fiber-reinforced polymer / Grade 5 titanium bezel | Plastic case; stainless steel bezel |
| Ingress protection | 10 ATM | WR50 (50 m); MIL-STD-810H |
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2025 |
| Starting price | — | $520 |
| Display size | 1.3-inch | 1.3-inch |
| Dimensions | 44.8 mm × 44.8 mm × 13.2 mm | 44.7 mm × 44.7 mm × 12.5 mm |
| Weight | 47 g | 39 g |
| Front material | — | Sapphire Glass |
| Back material | — | Plastic |
| Display | ||
| Display technology | AMOLED | AMOLED |
| Resolution | 466 × 466 | 416 × 416 |
| Peak brightness | 3000 nits | — |
| Protection | Sapphire | Sapphire Glass |
| Performance | ||
| Expandable storage | No | No |
| Storage | — | 32 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Proprietary / USB-C. Smartwatch mode up to 7 days; performance training (GPS + HR) up to 30 h; eco training up to 90 h (power-save — not everyday life). Complete watch 62 g with wristband; body 39 g without |
| Battery type | Lithium-ion | Li-Pol (310 mAh) |
| Rated capacity | 500 mAh | — |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | GPS / GLONASS / Galileo / BeiDou / QZSS (dual-frequency), Offline full-color maps and route guidance, Polar Elixir™ (ECG GEN 1, SpO2 GEN 1, skin temp GEN 1, OHR GEN 4), Barometer; magnetometer compass; ambient light sensor, Polar Flow |
| Wi‑Fi | Wi-Fi | — |
| Bluetooth | Bluetooth | Bluetooth® LE |
| Build & durability | ||
| Frame | Fiber-reinforced polymer / Grade 5 titanium bezel | Plastic case; stainless steel bezel |
| Ingress protection | 10 ATM | WR50 (50 m); MIL-STD-810H |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
Grit X2
8 g lighter · minor difference
Thickness
Grit X2
0.7 mm thinner
Height
Very similar height
Width
Very similar width