Side by side comparison and review of Amazfit GTR 3 and Fitbit Sense 2. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Zepp OS | - |
| Supported Host Device OS | iOS 12 or later, Android 7.0 (Nougat) or later | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | Multisport | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | - | Speaker |
| Width | - | 40.5 mm |
| Height | - | 40.5 mm |
| Depth | - | 12.3 mm |
| Body Details | Case only: 32 g | - |
| Body Material | Aluminium alloy | Aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, active time, menstrual cycle, breathing rate, temperature, sleep quality score, blood glucose |
| Modes | - | 40+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System | Find phone function, automatic exercise recognition, breathing training function, Active Zone Minutes, HRV index, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score, all day body response tracking, cardio fitness score |
| Notifications | Calendar | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa | Alexa built-in |
| IoT Voice Controlled | Direct | Direct |
| CONNECTIVITY | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Wireless Interface | Bluetooth 5.1 | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Type | AMOLED - colour | Colour |
|---|---|---|
| Resolution | 454 x 454 pixels | - |
| Screen Size | 1.39" | - |
| Aspect Ratio | Full circle | - |
| Pixel Density | 326 ppi | - |
| Screen Protection | Tempered glass | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen, push button | Touch sensitive screen, push button |
|---|
| CASE | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Case Shape | Round | Square |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | - | Platinum aluminum |
| Crown Type | Classic crown | - |
| BAND | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Band Type | Strap | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 155-218 mm | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Silicone | - |
| Band Colour | Moonlight grey | Thunder black | Lunar white |
| BATTERY | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | 450 mAh | - |
| Battery Life | - | 6 day(s) |
| Battery Life Details | Battery safe mode - up to 35 days Heavy usage - up to 10 days Typical usage - up to 21 days GPS mode - up to 35 hour(s) |
GPS mode - up to 5 hour(s) |
| Rechargeable Battery | Yes | - |
| Recharge Time | 2 hour(s) | 2 hours |
| MISCELLANEOUS | Amazfit GTR 3 | Fitbit Sense 2 |
|---|
| Included Accessories | Magnetic charging stand | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | Zepp App | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | 1-year warranty | 2-year warranty |
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