Amazfit
Device summary
Apple
Apple Watch Series 9 45mm
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2023 |
| Starting price | — | — |
| Display size | 1.9-inch | — |
| Dimensions | 38.1 mm × 45.9 mm × 11.2 mm | 38.0 mm × 45.0 mm × 10.7 mm |
| Weight | 26 g | 39 g |
| Front material | — | Ion-X glass or sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | Always-On Retina LTPO OLED |
| Resolution | 320 × 380 | — |
| Peak brightness | — | 2000 nits |
| Protection | — | Ion-X glass (aluminum) / Sapphire (stainless steel) |
| Performance | ||
| Expandable storage | No | No |
| Chipset | — | Apple S9 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 | LTE (GPS + Cellular models) |
| Bluetooth | Bluetooth | Bluetooth 5.3 |
| Wi‑Fi | — | Wi‑Fi 4 (802.11n) |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Plastic | Aluminum or stainless steel |
| Ingress protection | 5 ATM | Water resistance 50m; IP6X dust resistance |
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2023 |
| Starting price | — | — |
| Display size | 1.9-inch | — |
| Dimensions | 38.1 mm × 45.9 mm × 11.2 mm | 38.0 mm × 45.0 mm × 10.7 mm |
| Weight | 26 g | 39 g |
| Front material | — | Ion-X glass or sapphire crystal |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | Always-On Retina LTPO OLED |
| Resolution | 320 × 380 | — |
| Peak brightness | — | 2000 nits |
| Protection | — | Ion-X glass (aluminum) / Sapphire (stainless steel) |
| Performance | ||
| Expandable storage | No | No |
| Chipset | — | Apple S9 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 | LTE (GPS + Cellular models) |
| Bluetooth | Bluetooth | Bluetooth 5.3 |
| Wi‑Fi | — | Wi‑Fi 4 (802.11n) |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Plastic | Aluminum or stainless steel |
| 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 Bip 5
13 g lighter
Thickness
Apple Watch Series 9 45mm
0.5 mm thinner
Height
Amazfit Bip 5
0.9 mm taller · minor difference
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.
- Amazfit Bip 5 is 0.1 mm (0.3% relative to Apple Watch Series 9 45mm) wider. Check this difference against the width of your current device and pocket opening.
- Amazfit Bip 5 is 0.9 mm (2% relative to Apple Watch Series 9 45mm) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
- Amazfit Bip 5 is 0.5 mm (4.7% relative to Apple Watch Series 9 45mm) thicker. Cases and camera protrusions can change the clearance you need.
- Amazfit Bip 5 is 13 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 5
Apple Watch Series 9 45mm
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.