| key specs |
| Strap Colour | Midnight Black, Misty Pink, Ocean Blue | Black |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Display Size | - | 46mm |
| Compatible OS | - | Android |
| Strap Material | - | Rubber |
| general |
| Brand | Amazfit | Oppo |
| Model | GTR Mini | Watch ECG Edition |
| Release date | March 16, 2023 | September 25, 2020 |
| Model Name | GTR Mini | Watch ECG Edition |
| Dial Colour | Black | Black |
| Dial Shape | Round | Rectangle |
| Strap Colour | Midnight Black, Misty Pink, Ocean Blue | Black |
| Touchscreen | 1.28 | Yes |
| Water Resistant | 5 ATM | Yes |
| Water Resistance Depth | 50 m | 5ATM. IPX8 |
| Usage | Regular | - |
| Dial Material | Stainless Steel | - |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Rubber |
| Size | - | Large |
| Interchangeable Strap | - | Yes |
| dimensions |
| Thickness | 9.25 | - |
| Diameter | 1.28 | - |
| Weight (g) | 24.60 | 45.50 |
| product details |
| Battery Type | 280 mAh lithium polymer battery | - |
| Battery Life | 14 days | 40 hours |
| Stand By Time | 20 days | 21 days |
| Rechargeable Battery | Yes | - |
| Sensor | - | Tri-axial acceleration sensor, Gyroscope, Geomagnetic, Barometric, Optical heartbeat sensor, Capacitance sensor, Ambient light sensor, ECG |
| Notification | - | Yes |
| connectivity features |
| GPS | Yes | Yes |
| Third Party App Support | Strava, Relive, adidas Running, Apple Health, Google Fit | Yes |
| Call Function | - | Yes |
| Bluetooth | - | Yes |
| Bluetooth Version | - | 4.2 |
| Wi-Fi | - | Yes |
| Messaging Support | - | Yes |
| Call Features | - | Yes |
| platform and storage features |
| Operating System | Zepp OS 2.0 | ColorOS |
| Compatible Operating System | - | Android |
| Number of Cores | - | quad-core |
| RAM | - | 1GB |
| Processor Name | - | Qualcomm Snapdragon Wear 2500 + Apollo 3 co-processor |
| Internal Memory | - | 8000 |
| camera and display features |
| Display Resolution | HD | 402x476 |
| Display Type | AMOLED | AMOLED |
| Display Size | - | 46mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Alarm Clock | - | Yes |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | Fitness Run, 5-Min Workouts, Fat Burn Run, Outdoor Walk, Outdoor Cycling, Swimming, Heart rate monitoring, Sleep monitoring, Get Up Reminder, Guided breathing exercises |