Side by side comparison and review of Fitbit Sense and Amazfit GTR 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 | Fitbit Sense | Amazfit GTR 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | Android 7.0 (Nougat) or later, iOS 12.2 or later | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | - |
| Width | 40.38 mm | - |
| Height | 40.38 mm | - |
| Depth | 12.45 mm | - |
| Body Details | - | Case only: 39 g |
| Body Material | Stainless steel, aluminium | Stainless steel |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Sense | Amazfit GTR 2 |
|---|
| Sensors | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, sleep stages, stress level, menstrual cycle, ECG | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, REM phases |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, breathing training function | Making a call, store & play music, huami-PAI Health Assessment System |
| Notifications | Missed calls, calendar, SMS, social apps | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS receiver |
| Payment Technology | FitBit Pay | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Google Assistant, Alexa | Alexa |
| CONNECTIVITY | Fitbit Sense | Amazfit GTR 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Fitbit Sense | Amazfit GTR 2 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | - | 454 x 454 pixels |
| Screen Size | - | 1.39" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Fitbit Sense | Amazfit GTR 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Fitbit Sense | Amazfit GTR 2 |
|---|
| Case Shape | Square | Round |
|---|---|---|
| Case Details | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel | - |
| BAND | Fitbit Sense | Amazfit GTR 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S/L | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 140-220 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Leather |
| Band Colour | Sage grey | Carbon | Lunar white | Obsidian black |
| STORAGE | Fitbit Sense | Amazfit GTR 2 |
|---|
| User Memory | - | 3 GB |
|---|
| BATTERY | Fitbit Sense | Amazfit GTR 2 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | - | 471 mAh |
| Battery Life | 6 day(s) | - |
| Battery Life Details | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
Typical usage - up to 14 days Basic mode - up to 38 days GPS mode - up to 48 hour(s) Talk time - up to 10 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2.5 hour(s) |
| MISCELLANEOUS | Fitbit Sense | Amazfit GTR 2 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Magnetic charging dock |
|---|---|---|
| Preloaded Software | FitBit Pay | Amazon Alexa |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | - |
| Min Operating Temperature | -10 °C | - |
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