| key specs |
| Strap Colour | Infinite Black | Carbon, Lunar White |
| Display Size | 36mm | - |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Round | Square |
| Display Type | AMOLED | AMOLED |
| Ideal For | - | Unisex |
| general |
| Brand | Amazfit | Fitbit |
| Model | GTR 4 Limited Edition | Sense |
| Release date | April 26, 2023 | August 25, 2020 |
| Model Name | Amazfit GTR 4 Limited Edition | Sense |
| Dial Shape | Round | Square |
| Strap Colour | Infinite Black | Carbon, Lunar White |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | 5ATM | Yes |
| Usage | Health, Fitness | - |
| Water Resistance Depth | - | 50 meters |
| Ideal For | - | Unisex |
| dimensions |
| Width | 46.5 | - |
| Height | 46.5 | - |
| Thickness | 11.2 | - |
| Weight (g) | 49.00 | - |
| product details |
| Sensor | Acceleration sensor, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor | Multi-path optical heart rate sensor, Multipurpose electrical sensors compatible with EDA Scan app, Gyroscope, Altimeter, 3-axis accelerometer, Skin temperature sensor, Ambient light sensor |
| Compatible Device | Android, iOS | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later |
| Notification | Yes | - |
| Notification Type | Smart Notification | - |
| Battery Life | 14 days | Around 6 days |
| Charge Time | 2 hours | - |
| Charger Type | Magnetic Charger | - |
| Stand By Time | 50 days | - |
| Other Features | Stainless steel middle frame, Glass-ceramic bottom shell, Dual-band & 6 satellite positioning systems | - |
| Battery Type | - | Lithium-polymer |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Third Party App Support | Yes | - |
| Call Features | Make Calls, Reject Calls | - |
| Bluetooth Version | - | 5 |
| Other Connectivity Features | - | NFC |
| platform and storage features |
| Operating System | Zepp OS 2.0 | - |
| Compatible Operating System | Android, iOS | Android, iOS |
| camera and display features |
| Display Resolution | 466x466 pixels | - |
| Display Size | 36mm | - |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Other Fitness Features | 154 Sports Modes, Automatic Recognition, BioTracker™ 4.0 PPG biometric sensor | - |
| Other Watch Functions | Over 200 watch faces, Music Storage, OTA Update via Wi-Fi, Events Reminder, To Do List | - |
| Altimeter | - | Yes |
| Language | - | English |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice Control | Yes | - |