Amazfit
Device summary
Apple
Apple Watch Ceramic Series 12 42mm
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2026 |
| Starting price | — | $899 |
| Display size | 1.8-inch | — |
| Dimensions | 36.9 mm × 43.3 mm × 9.0 mm | 37.0 mm × 43.0 mm × 9.8 mm |
| Weight | 31 g | 42 g |
| Front material | — | Sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
| Resolution | 390 × 450 | 374 × 446 |
| Peak brightness | — | 2000 nits |
| Protection | — | 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 |
| Battery type | Lithium-ion | Built-in rechargeable lithium-ion |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | 5G RedCap and LTE |
| Bluetooth | Bluetooth | Bluetooth 5.3 |
| Wi‑Fi | — | Wi‑Fi 4 (802.11n) |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Stainless steel bezel / fiber-reinforced polymer | Ceramic |
| Ingress protection | 5 ATM | Water resistance 50m; IP6X dust resistance |
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2026 |
| Starting price | — | $899 |
| Display size | 1.8-inch | — |
| Dimensions | 36.9 mm × 43.3 mm × 9.0 mm | 37.0 mm × 43.0 mm × 9.8 mm |
| Weight | 31 g | 42 g |
| Front material | — | Sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | Always-On Retina LTPO3 OLED with wide-angle OLEDs |
| Resolution | 390 × 450 | 374 × 446 |
| Peak brightness | — | 2000 nits |
| Protection | — | 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 |
| Battery type | Lithium-ion | Built-in rechargeable lithium-ion |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | 5G RedCap and LTE |
| Bluetooth | Bluetooth | Bluetooth 5.3 |
| Wi‑Fi | — | Wi‑Fi 4 (802.11n) |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Stainless steel bezel / fiber-reinforced polymer | Ceramic |
| Ingress protection | 5 ATM | Water resistance 50m; IP6X dust resistance |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
Amazfit Active 2 Square
10 g lighter
Thickness
Amazfit Active 2 Square
0.8 mm thinner
Height
Very similar height
Width
Very similar width
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 Ceramic Series 12 42mm is 0.1 mm (0.3% relative to Amazfit Active 2 Square) wider. Check this difference against the width of your current device and pocket opening.
- Amazfit Active 2 Square is 0.3 mm (0.7% relative to Apple Watch Ceramic Series 12 42mm) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
- Apple Watch Ceramic Series 12 42mm is 0.8 mm (8.9% relative to Amazfit Active 2 Square) thicker. Cases and camera protrusions can change the clearance you need.
- Amazfit Active 2 Square is 11 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 Active 2 Square
Apple Watch Ceramic Series 12 42mm
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.