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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design and comfort Rating | - | |||
| Tracking accuracy Rating | - | |||
| Software and ecosystem Rating | - | |||
| Battery life Rating | - | |||
| key specs | ||||
| Dial Shape | Round | Round | ||
| Strap Material | - | Silicone | ||
| Ideal For | - | Unisex | ||
| general | ||||
| Brand | Amazfit | Amazfit | ||
| Model | GTR 4 | T-Rex 2 | ||
| Release date | September 1, 2022 | May 24, 2022 | ||
| Dial Shape | Round | Round | ||
| Size | Regular | - | ||
| Touchscreen | Yes | Yes | ||
| Interchangeable Strap | Yes | - | ||
| Water Resistant | 5ATM | 10 ATM | ||
| Usage | Health, Fitness | Outdoors | ||
| Model Name | - | T-Rex 2 | ||
| Strap Material | - | Silicone | ||
| Dial Material | - | Polymer Alloy | ||
| Ideal For | - | Unisex | ||
| dimensions | ||||
| Width | 46 | 47.1 | ||
| Height | 46 | 47.1 | ||
| Thickness | 10.6 | 13.65 | ||
| Weight (g) | 34.00 | 66.50 | ||
| product details | ||||
| Sensor | Acceleration sensor, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor | BioTracker 3.0 PPG, Acceleration sensor, Gyroscope, Geomagnetic sensor, Barometric Altimeter, Ambient light sensor | ||
| Battery Life | 14 days | 24 days | ||
| Charge Time | 2 hours | 2 hours | ||
| Charger Type | Magnetic Charger | Magnetic 2-pin pogo pin | ||
| Notification | - | Yes | ||
| Rechargeable Battery | - | Yes | ||
| connectivity features | ||||
| Call Function | Yes | - | ||
| Bluetooth | Yes | Yes | ||
| Bluetooth Version | v5.0 | 5.0 | ||
| Wi-Fi | Yes | - | ||
| GPS | Yes | Yes | ||
| Call Features | Make Calls, Reject Calls | - | ||
| platform and storage features | ||||
| Operating System | Zepp OS 2.0 | - | ||
| fitness and watch functions | ||||
| Step Count | Yes | - | ||
| Heart Rate Monitor | Yes | Yes | ||
| Other Fitness Features | Over 150 Sports Modes, Automatic Recognition | Sports Modes | ||
| Altimeter | - | Yes | ||
| Date & Time Display | - | Yes | ||
| audio and video features | ||||
| Speaker | Yes | - | ||
| Microphone | Yes | - | ||
| Voice Control | Yes | - | ||
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