Side by side comparison and review of Fitbit Sense and Xiaomi Watch S1. 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 | Xiaomi Watch S1 |
|---|
| 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 6.0 (Marshmallow) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 40.38 mm | 46.5 mm |
| Height | 40.38 mm | 46.5 mm |
| Depth | 12.45 mm | 11 mm |
| Weight | - | 52 g |
| Body Material | Stainless steel, aluminium | Stainless steel |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Sensors | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart 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, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, breathing training function | Call handling, automatic exercise recognition, breathing training function |
| Notifications | Missed calls, calendar, SMS, social apps | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | - |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | FitBit Pay | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Google Assistant, Alexa | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | - | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Sapphire glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Case Size | - | 46 mm |
|---|---|---|
| Case Shape | Square | Round |
| Case Details | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel | Silver | Black |
| BAND | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S/L | - |
| Fits Wrist with Circumference | 140-220 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Calf leather |
| Band Colour | Sage grey | Carbon | Lunar white | Brown | Black |
| BATTERY | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | - | 470 mAh |
| Battery Life | 6 day(s) | - |
| Battery Life Details | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
Power saving mode - up to 24 days Typical usage - up to 12 days |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Fitbit Sense | Xiaomi Watch S1 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | USB cable, wireless charging dock, fluororubber watch strap (grey) |
|---|---|---|
| Preloaded Software | FitBit Pay | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | 45 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Warranty | - | 2-year warranty |
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