Amazfit
Device summary
Apple
Apple Watch Ultra 3
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2025 |
| Starting price | — | — |
| 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 | 62 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 S10 SiP |
| Storage | — | 64 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Apple Watch Magnetic Fast Charger |
| 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 via satellite |
| Build & durability | ||
| Frame | Aluminum alloy / plastic | Grade 5 titanium |
| Ingress protection | 5 ATM | Water resistance 100m; IP6X dust resistance |
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2025 |
| Starting price | — | — |
| 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 | 62 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 S10 SiP |
| Storage | — | 64 GB |
| Battery & charging | ||
| Charging standard | Magnetic charging | Apple Watch Magnetic Fast Charger |
| 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 via satellite |
| Build & durability | ||
| Frame | Aluminum alloy / plastic | Grade 5 titanium |
| Ingress protection | 5 ATM | Water resistance 100m; IP6X dust resistance |
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
9 g lighter · minor difference
Width
Apple Watch Ultra 3
1.2 mm wider · minor difference
Height
Amazfit Bip Max
0.6 mm taller · minor difference
What these size differences mean
Calculated from the dimensions shown, rounded to 0.1 mm and 1 g. Percentages use the smaller measurement as the reference. Fold and rotation settings affect the dimensions compared.
- Apple Watch Ultra 3 is 1.2 mm (2.8% relative to Amazfit Bip Max) wider. Check this difference against the width of your current device and pocket opening.
- Amazfit Bip Max is 0.6 mm (1.2% relative to Apple Watch Ultra 3) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
- Apple Watch Ultra 3 is 1.1 mm (10.1% relative to Amazfit Bip Max) thicker. Cases and camera protrusions can change the clearance you need.
- Amazfit Bip Max is 9 g lighter. This is the listed device-weight difference, not a measured comfort rating.
Use these figures to compare physical size. They do not establish one-handed reach, pocket fit, durability or an overall winner.
Sources and measurement notes
Sizometry compares published specifications and calculates differences. These are not hands-on measurements or tests of comfort, performance or pocket fit.
Amazfit Bip Max
Apple Watch Ultra 3
Check the exact model, year, region and configuration on the linked page. References may cover several variants. Folded and unfolded dimensions differ; cases and camera protrusions may change the space a device needs. Drawings share a relative scale and are not calibrated to life size on your screen.