| key specs |
| Strap Colour | Carbon, Lunar White | Grey |
| Compatible OS | Android, iOS | Android and iOS |
| Dial Shape | Square | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Leather |
| general |
| Brand | Fitbit | Amazfit |
| Model | Sense | GTR 47mm Titanium |
| Release date | August 25, 2020 | July 16, 2019 |
| Model Name | Sense | GTR 47mm Titanium |
| Dial Shape | Square | Round |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 50 meters | 5ATM |
| Ideal For | Unisex | Unisex |
| Strap Colour | Carbon, Lunar White | Grey |
| Model Number | - | A1902 |
| Strap Material | - | Leather |
| Interchangeable Strap | - | Yes |
| Usage | - | Fitness & Outdoor |
| Dial Material | - | Titanium |
| Dial Colour | - | Black |
| product details |
| 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 | BioTracker TM PPG Bio-Tracking Optical Sensor, 6-Axis Accelerometer, 3 Axial Geomagnetic Sensor, Air Pressure Sensor, Capacitive Sensor, Ambient Light Brightness Sensor |
| Compatible Device | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later | Android, iPhones |
| Battery Type | Lithium-polymer | Lithium Polymer |
| Battery Life | Around 6 days | Up to 24 days |
| Closure | - | Strap Buckle |
| Notification | - | Yes |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | 5 |
| Bluetooth Version | 5 | - |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC | - |
| Operating Range | - | 10m |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android and iOS |
| camera and display features |
| Display Type | AMOLED | AMOLED |
| Display Resolution | - | 454x454 pixels |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Compass | - | Yes |
| Number of Buttons | - | 2 |
| Other Watch Functions | - | Weather, Music, Event Reminder, Looking for a mobile phone, Stopwatch, Countdown |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| dimensions |
| Diameter | - | 47.2 |