In depth comparison and review of Samsung Galaxy Watch 3 and Xiaomi Watch S1 Active. 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 | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS 5.5 | - |
| Supported Host Device OS | iOS 9 or later, Android 5.0 (Lollipop) 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 |
| Width | 41 mm | - |
| Height | 42.5 mm | - |
| Depth | 11.3 mm | - |
| Weight | 48.2 g | - |
| Body Details | - | Case only: 36.3 g |
| Body Material | Stainless steel | Glass fibre reinforced polyamide |
| Protection | Waterproof | Water-resistant |
| Colours | - | Ocean blue | Moon white |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood pressure | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Modes | - | 117 fitness modes, 19 professional modes |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, ECG accurate heart rate, find phone function, VO2 max, automatic exercise recognition, Fall detection, Wireless PowerShare support | 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 |
| Notifications | SMS, social apps, incoming calls | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Digital Player | MP3, WMA, WAV, AAC, AMR, MP4, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|---|---|
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 466 x 466 pixels |
| Screen Size | 1.2" | 1.43" |
| Aspect Ratio | Full circle | - |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass DX (scratch resistant glass) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Type | Touch sensitive screen, rotating bezel | Touch sensitive screen, push buttons |
|---|
| CASE | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Case Size | 41 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | - | Metal |
| Case Details | Mystic bronze | Mystic silver | Blue | Silver | Space black |
| BAND | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 160-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | TPU |
| Band Colour | - | Blue | White | Black |
| STORAGE | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Storage Capacity | 8 GB | - |
|---|---|---|
| User Memory | 4.3 GB | - |
| RAM | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| RAM Size | 1 GB | - |
|---|
| CPU | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 9110 | - |
| Clock Speed | 1.15 GHz | - |
| BATTERY | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Capacity | 247 mAh | 470 mAh |
|---|---|---|
| Battery Life | 120 hours | 12 day(s) |
| Battery Life Details | Typical usage - up to 43 hour(s) Low usage - up to 120 hour(s) |
Typical usage - up to 12 days Power saving mode - up to 24 days GPS mode - up to 30 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2.5 hour(s) |
| Wireless Charging | Yes | - |
| Wireless Charging Standards | WPC | - |
| MISCELLANEOUS | Samsung Galaxy Watch 3 | Xiaomi Watch S1 Active |
|---|
| Included Accessories | Wireless charging dock | Magnetic charging cable |
|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | GB/T 30106-2013 |
| SAR Value | 0.209 W/kg (head), 0.294 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Manufacturer Model Number | SM-R850 | - |
| Warranty | 2-year warranty | 2-year warranty |
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