In depth comparison and review of Polar M430 and Xiaomi Watch S1. 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 | Polar M430 | Xiaomi Watch S1 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows, MacOS | iOS 10 or later, Android 6.0 (Marshmallow) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 46.5 mm |
| Height | - | 46.5 mm |
| Depth | 12 mm | 11 mm |
| Weight | 51 g | 52 g |
| Body Material | - | Stainless steel |
| Protection | Water-resistant | Water-resistant |
| Colours | White | Orange | Black | Blue | Grey | - |
| Clock Display | Yes | Yes |
| FEATURES | Polar M430 | Xiaomi Watch S1 |
|---|
| Sensors | Accelerometer, optical heart sensor | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, activity, sleep activity, heart rate, steps taken | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Fitness test | Call handling, automatic exercise recognition, breathing training function |
| Notifications | Calendar, SMS, social apps, incoming calls | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | - |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/A-GPS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Polar M430 | Xiaomi Watch S1 |
|---|
| Wireless Interface | Bluetooth | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|---|---|
| Connectors | USB | - |
| DISPLAY | Polar M430 | Xiaomi Watch S1 |
|---|
| Type | LCD - monochrome | AMOLED - colour |
|---|---|---|
| Resolution | 128 x 128 pixels | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Polar M430 | Xiaomi Watch S1 |
|---|
| Type | Push buttons | Touch sensitive screen, push buttons |
|---|
| CASE | Polar M430 | Xiaomi Watch S1 |
|---|
| Case Size | - | 46 mm |
|---|---|---|
| Case Shape | - | Round |
| Case Details | - | Silver | Black |
| BAND | Polar M430 | Xiaomi Watch S1 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Size | S | - |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | - | Calf leather |
| Band Colour | - | Brown | Black |
| BATTERY | Polar M430 | Xiaomi Watch S1 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | 240 mAh | 470 mAh |
| Battery Life | 8 hours | - |
| Battery Life Details | Watch mode - up to 14 days Training mode - up to 5 days Training mode (GPS and wrist-based heart rate) - up to 8 hour(s) |
Power saving mode - up to 24 days Typical usage - up to 12 days |
| Standby Time | 14 days | - |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Polar M430 | Xiaomi Watch S1 |
|---|
| Included Accessories | USB charging cable | USB cable, wireless charging dock, fluororubber watch strap (grey) |
|---|---|---|
| Max Depth of Water Resistance | 30 m | 50 m |
| Max Operating Temperature | 50 °C | 45 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Warranty | 2-year warranty | 2-year warranty |
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