Amazfit
Device summary
Apple
Apple Watch Ultra 4
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2026 |
| Starting price | — | $799 |
| Display size | 2.1-inch | — |
| Dimensions | 42.8 mm × 49.6 mm × 10.9 mm | 44.0 mm × 49.0 mm × 12.0 mm |
| Weight | 53 g | 63 g |
| Front material | — | Sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
| Resolution | 432 × 514 | 422 × 514 |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | — | Flat sapphire crystal |
| Performance | ||
| Expandable storage | No | No |
| Chipset | — | Apple S11 SiP |
| Storage | — | 64 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Apple Watch Magnetic Fast Charger (up to 80% in about 45 minutes) |
| Battery type | Lithium-ion | Built-in rechargeable lithium-ion |
| Rated capacity | 550 mAh | — |
| Connectivity | ||
| Cellular | GPS / 5 satellite systems | 5G RedCap and LTE |
| Bluetooth | Bluetooth / BLE 5.3 | Bluetooth 5.3 |
| Wi‑Fi | — | Wi‑Fi 4 (802.11n) |
| NFC | — | Yes |
| Satellite | — | Emergency SOS, Messages, and Find My via satellite |
| Build & durability | ||
| Frame | Aluminum alloy / plastic | Grade 5 titanium |
| Ingress protection | 5 ATM | Water resistance 100m; IP6X dust resistance; EN13319 recreational scuba to 40m |
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2026 |
| Starting price | — | $799 |
| Display size | 2.1-inch | — |
| Dimensions | 42.8 mm × 49.6 mm × 10.9 mm | 44.0 mm × 49.0 mm × 12.0 mm |
| Weight | 53 g | 63 g |
| Front material | — | Sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
| Resolution | 432 × 514 | 422 × 514 |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | — | Flat sapphire crystal |
| Performance | ||
| Expandable storage | No | No |
| Chipset | — | Apple S11 SiP |
| Storage | — | 64 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Apple Watch Magnetic Fast Charger (up to 80% in about 45 minutes) |
| Battery type | Lithium-ion | Built-in rechargeable lithium-ion |
| Rated capacity | 550 mAh | — |
| Connectivity | ||
| Cellular | GPS / 5 satellite systems | 5G RedCap and LTE |
| Bluetooth | Bluetooth / BLE 5.3 | Bluetooth 5.3 |
| Wi‑Fi | — | Wi‑Fi 4 (802.11n) |
| NFC | — | Yes |
| Satellite | — | Emergency SOS, Messages, and Find My via satellite |
| Build & durability | ||
| Frame | Aluminum alloy / plastic | Grade 5 titanium |
| Ingress protection | 5 ATM | Water resistance 100m; IP6X dust resistance; EN13319 recreational scuba to 40m |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Thickness
Amazfit Bip Max
1.1 mm thinner
Weight
Amazfit Bip Max
10 g lighter
Width
Apple Watch Ultra 4
1.2 mm wider · minor difference
Height
Amazfit Bip Max
0.6 mm taller · minor difference