In depth comparison and review of Xiaomi Watch S1 Active and Xiaomi Redmi Watch 3. 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 | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS 10 or later, Android 6.0 (Marshmallow) or later | Android 6.0 (Marshmallow) or later, iOS 12 or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | - | 36.56 mm |
| Height | - | 42.58 mm |
| Depth | - | 9.99 mm |
| Weight | - | 37 g |
| Body Details | Case only: 36.3 g | - |
| Body Material | Glass fibre reinforced polyamide | - |
| Protection | Water-resistant | Water-resistant |
| Colours | Ocean blue | Moon white | Elegant black |
| Clock Display | Yes | Yes |
| FEATURES | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope | Accelerometer, geomagnetic sensor, optical heart sensor, blood oxygen sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, breath, blood pressure, menstrual cycle |
| Modes | 117 fitness modes, 19 professional modes | 100+ Workout modes, do-not-disturb mode |
| Goal Setting | Yes | Yes |
| Features | Call handling, find phone function, flashlight, automatic exercise recognition, breathing training function, music playback control, weather information, customisable watch faces, Health index, Women's health | Find phone function, answering a call, phone unlocking, automatic exercise recognition, SOS call, auto pause, music playback control, weather information, personalised Watch Faces, stopwatch timer, 10 preloaded running courses, brightness: 600 nits |
| Notifications | SMS, Email, social apps, incoming calls | SMS, Email, social apps, calls, sedentary |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Alipay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa built-in | Xiao Ai |
| IoT Voice Controlled | Direct | - |
| CELLULAR | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Messaging Services | - |
|---|
| CONNECTIVITY | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 | NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 466 x 466 pixels | 390 x 450 pixels |
| Screen Size | 1.43" | 1.75" |
| Pixel Density | 326 ppi | 341 ppi |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen |
|---|
| CASE | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Case Size | - | 42 mm |
|---|---|---|
| Case Shape | Round | - |
| Bezel | Metal | - |
| Case Details | Blue | Silver | Space black | - |
| BAND | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Fits Wrist with Circumference | 160-220 mm | 135-200 mm |
| Changeable | Yes | - |
| Clasp Type | Buckle | Pin buckle |
| Band Material | TPU | - |
| Band Colour | Blue | White | Black | - |
| BATTERY | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 470 mAh | - |
| Battery Life | 12 day(s) | 12 day(s) |
| Battery Life Details | Typical usage - up to 12 days Power saving mode - up to 24 days GPS mode - up to 30 hour(s) |
Typical usage - up to 12 days Heavy usage - up to 7 days GPS + HR mode (Continuous reception) - up to 18 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2.5 hour(s) | - |
| MISCELLANEOUS | Xiaomi Watch S1 Active | Xiaomi Redmi Watch 3 |
|---|
| Included Accessories | Magnetic charging cable | Magnetic charging cable |
|---|---|---|
| Compliant Standards | GB/T 30106-2013 | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | - |
| Min Operating Temperature | -10 °C | - |
| Manufacturer Model Number | - | M2215W1 |
| Warranty | 2-year warranty | - |
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