In depth comparison and review of Apple Watch Series 2 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 | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 3 | - |
| Supported Host Device OS | iOS 10 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 | 33.3 mm | - |
| Height | 38.6 mm | - |
| Depth | 11.4 mm | - |
| Weight | 28.2 g | - |
| Body Details | - | Case only: 36.3 g |
| Body Material | Aluminium | Glass fibre reinforced polyamide |
| Protection | Waterproof | Water-resistant |
| Colours | Space black | Silver | Ocean blue | Moon white |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken | 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 | Call handling, Retina Display technology | 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 | Calendar, SMS, Email | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Type | OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 272 x 340 pixels | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Ion-X glass | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen, push buttons |
|---|
| CASE | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Case Size | 38 mm | - |
|---|---|---|
| Case Shape | - | Round |
| Bezel | - | Metal |
| Case Back | Ceramic back | - |
| Case Details | Silver aluminium | Stainless steel | Rose gold aluminium | Gold aluminium | Space grey aluminium | Space black stainless steel | Blue | Silver | Space black |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Size | S/M/L | - |
| Fits Wrist with Circumference | 130-200 mm | 160-220 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | TPU |
| Band Colour | White | Black | Pink sand | Concrete | Silver | Midnight blue | Pearl | Light pink/midnight blue | Yellow/light grey | Saddle brown | Space black | Blue | White | Black |
| CPU | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S2 | - |
| BATTERY | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 470 mAh |
| Battery Life | 18 hours | 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) |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2.5 hour(s) |
| MISCELLANEOUS | Apple Watch Series 2 | Xiaomi Watch S1 Active |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Siri | - |
| Compliant Standards | - | GB/T 30106-2013 |
| SAR Value | 0.056 W/kg (head), 0.049 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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