In depth comparison and review of Amazfit Stratos 2S and Fitbit Sense. 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 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | Android 4.4 (KitKat) or later, iOS 9 or later | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 40.38 mm |
| Height | - | 40.38 mm |
| Depth | - | 12.45 mm |
| Body Material | - | Stainless steel, aluminium |
| Protection | Dustproof, waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Sensors | Ambient light sensor, gyro sensor, heart rate, geomagnetic sensor, 3-axis accelerometer | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) 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, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| Goal Setting | - | Yes |
| Features | Listening to music, idle alert | Music remote handling, HR zones, breathing training function |
| Notifications | Missed calls, SMS, Email, social apps, incoming calls | Missed calls, calendar, SMS, social apps |
| 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 | - | Google Assistant, Alexa |
| CONNECTIVITY | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Type | LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 320 x 300 pixels | - |
| Screen Size | 1.34" | - |
| Screen Protection | Dinorex Glass (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Case Shape | Round | Square |
|---|---|---|
| Bezel | Ceramic black | - |
| Case Details | Carbon fibre | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S/L |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | - | 140-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Black | Sage grey | Carbon | Lunar white |
| STORAGE | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 2 GB | - |
| RAM | Amazfit Stratos 2S | Fitbit Sense |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Clock Speed | 1.2 GHz | - |
|---|
| BATTERY | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | 290 mAh | - |
| Battery Life | - | 6 day(s) |
| Battery Life Details | - | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Standby Time | 5 days | - |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Amazfit Stratos 2S | Fitbit Sense |
|---|
| Included Accessories | - | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | - | FitBit Pay |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
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