Amazfit
Amazfit T-Rex Ultra vs Forerunner 965
Device summary
Garmin
Forerunner 965
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2023 |
| Starting price | — | — |
| Display size | 1.4-inch | 1.4-inch |
| Dimensions | 47.3 mm × 47.3 mm × 13.4 mm | 47.1 mm × 47.1 mm × 13.2 mm |
| Weight | 89 g | 53 g |
| Front material | Glass | — |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | AMOLED |
| Resolution | 454 × 454 | 454 × 454 |
| Peak brightness | 1000 nits | — |
| Performance | ||
| Expandable storage | No | — |
| Battery & charging | ||
| Rated capacity | 500 mAh | — |
| Charging standard | Magnetic charging | Garmin proprietary clip / USB charging |
| Battery type | Lithium-ion | Lithium-ion |
| Connectivity | ||
| Cellular | Dual-band GPS / multi-GNSS | GPS / multi-GNSS |
| Wi‑Fi | Wi-Fi 2.4 GHz | — |
| Bluetooth | Bluetooth | Bluetooth |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Polymer alloy middle frame | Fiber-reinforced polymer; titanium bezel |
| Ingress protection | 10 ATM | 5 ATM |
Basic information
Release year
- Amazfit T-Rex Ultra
- 2023
- Forerunner 965
- 2023
Starting price
- Amazfit T-Rex Ultra
- —
- Forerunner 965
- —
Display size
- Amazfit T-Rex Ultra
- 1.4-inch
- Forerunner 965
- 1.4-inch
Dimensions
- Amazfit T-Rex Ultra
- 47.3 mm × 47.3 mm × 13.4 mm
- Forerunner 965
- 47.1 mm × 47.1 mm × 13.2 mm
Weight
- Amazfit T-Rex Ultra
- 89 g
- Forerunner 965
- 53 g
Front material
- Amazfit T-Rex Ultra
- Glass
- Forerunner 965
- —
Back material
- Amazfit T-Rex Ultra
- —
- Forerunner 965
- —
Display
Display technology
- Amazfit T-Rex Ultra
- AMOLED
- Forerunner 965
- AMOLED
Resolution
- Amazfit T-Rex Ultra
- 454 × 454
- Forerunner 965
- 454 × 454
Peak brightness
- Amazfit T-Rex Ultra
- 1000 nits
- Forerunner 965
- —
Performance
Expandable storage
- Amazfit T-Rex Ultra
- No
- Forerunner 965
- —
Battery & charging
Rated capacity
- Amazfit T-Rex Ultra
- 500 mAh
- Forerunner 965
- —
Charging standard
- Amazfit T-Rex Ultra
- Magnetic charging
- Forerunner 965
- Garmin proprietary clip / USB charging
Battery type
- Amazfit T-Rex Ultra
- Lithium-ion
- Forerunner 965
- Lithium-ion
Connectivity
Cellular
- Amazfit T-Rex Ultra
- Dual-band GPS / multi-GNSS
- Forerunner 965
- GPS / multi-GNSS
Wi‑Fi
- Amazfit T-Rex Ultra
- Wi-Fi 2.4 GHz
- Forerunner 965
- —
Bluetooth
- Amazfit T-Rex Ultra
- Bluetooth
- Forerunner 965
- Bluetooth
NFC
- Amazfit T-Rex Ultra
- —
- Forerunner 965
- Yes
Build & durability
Frame
- Amazfit T-Rex Ultra
- Polymer alloy middle frame
- Forerunner 965
- Fiber-reinforced polymer; titanium bezel
Ingress protection
- Amazfit T-Rex Ultra
- 10 ATM
- Forerunner 965
- 5 ATM
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
Forerunner 965
36 g lighter
Thickness
Forerunner 965
0.3 mm thinner · minor difference
Height
Very similar height
Width
Very similar width