| key specs |
| Strap Colour | Black Fluororubber, Brown Leather | Blue, Black, Pink Clay, Olive, Thistle |
| Dial Shape | Round | Square |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Amazfit | Fitbit |
| Model | GTR 4 New | Versa 3 |
| Release date | September 4, 2024 | August 25, 2020 |
| Model Name | GTR 4 New | Versa 3 |
| Dial Shape | Round | Square |
| Strap Colour | Black Fluororubber, Brown Leather | Blue, Black, Pink Clay, Olive, Thistle |
| Size | Regular | Regular |
| Touchscreen | 1.45 | Yes |
| Water Resistant | 5 ATM | Yes |
| Usage | Regular | - |
| Dial Material | Stainless Steel | - |
| Ideal For | Unisex | Unisex |
| Water Resistance Depth | - | 50 meters |
| dimensions |
| Width | 46.5 | - |
| Height | 46.5 | - |
| Thickness | 11.2 | - |
| Weight (g) | 49.00 | - |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker | Accelerometer, Ambient light sensor, Gyroscope Built-in GPS + GLONASS, Altimeter, Optical heart rate sensor |
| Compatible Device | Android 7.0 and above, iOS 12.0 and above | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later |
| Battery Type | 475 | Lithium-polymer |
| Battery Life | 12 days | Around 6 days |
| Rechargeable Battery | Yes | - |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | - |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | - | NFC |
| platform and storage features |
| Operating System | ZeppOS 2.0 | - |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | 466 x 466 | - |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | 2 | - |
| Other Fitness Features | Menstrual health tracker | - |
| Calorie Count | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |