In depth comparison and review of Samsung Gear S2 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 Gear S2 | Xiaomi Watch S1 Active |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | - |
| Supported Host Device OS | Android 4.4 (KitKat) 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 | 39.9 mm | - |
| Height | 43.6 mm | - |
| Depth | 11.4 mm | - |
| Weight | 42 g | - |
| Body Details | - | Case only: 36.3 g |
| Body Material | Stainless steel | Glass fibre reinforced polyamide |
| Protection | Dustproof, waterproof | Water-resistant |
| Colours | - | Ocean blue | Moon white |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, heart rate, steps taken, water vs. caffeine intake | 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 |
| Features | Call handling, find phone function, voice control | 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 | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|---|---|
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Gear S2 | 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 | 302 ppi | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Bezel | - | Metal |
| Case Details | Black | Rose gold | Blue black | Blue | Silver | Space black |
| BAND | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 160-220 mm |
| Changeable | - | Yes |
| Clasp Type | - | Buckle |
| Band Material | Leather | TPU |
| Band Colour | Black | Ivory | Blue | White | Black |
| STORAGE | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 3250 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | 250 mAh | 470 mAh |
| Battery Life | 3 day(s) | 12 day(s) |
| Battery Life Details | Low usage - up to 4 days | Typical usage - up to 12 days Power saving mode - up to 24 days GPS mode - up to 30 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2.5 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | Xiaomi Watch S1 Active |
|---|
| Included Accessories | Power adapter, wireless charging dock | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running | - |
| Compliant Standards | IP68 | GB/T 30106-2013 |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Manufacturer Model Number | SM-R732 | - |
| Warranty | - | 2-year warranty |
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