In depth comparison and review of Amazfit Stratos 2S and Fitbit Sense 2. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | Android 4.4 (KitKat) or later, iOS 9 or later | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 40.5 mm |
| Height | - | 40.5 mm |
| Depth | - | 12.3 mm |
| Body Material | - | Aluminium |
| Protection | Dustproof, waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Sensors | Ambient light sensor, gyro sensor, heart rate, geomagnetic sensor, 3-axis accelerometer | 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, time, speed, calories burned, sleep activity, heart rate, pace, cadence, oxygen 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 |
| Features | Listening to music, idle alert | 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 | Missed calls, SMS, Email, social apps, incoming calls | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Type | LCD - colour - transflective | Colour |
|---|---|---|
| Resolution | 320 x 300 pixels | - |
| Screen Size | 1.34" | - |
| Screen Protection | Dinorex Glass (scratch resistant glass) | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Case Shape | Round | Square |
|---|---|---|
| Bezel | Ceramic black | - |
| Case Back | - | Aluminium |
| Case Details | Carbon fibre | Platinum aluminum |
| BAND | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | - | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Leather | - |
| Band Colour | Black | Lunar white |
| STORAGE | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 2 GB | - |
| RAM | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Clock Speed | 1.2 GHz | - |
|---|
| BATTERY | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | 290 mAh | - |
| Battery Life | - | 6 day(s) |
| Battery Life Details | - | GPS mode - up to 5 hour(s) |
| Standby Time | 5 days | - |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | Amazfit Stratos 2S | Fitbit Sense 2 |
|---|
| Included Accessories | - | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | - | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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