In depth comparison and review of Xiaomi Watch S1 Active and OPPO Watch Free. 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 | OPPO Watch Free |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS 10 or later, Android 6.0 (Marshmallow) or later | iOS 10 or later, Android 6.0 (Marshmallow) or later |
| Activity/Sport | Multisport | Indoor running, indoor walking, elliptical, 5-min workouts, fat burn running, outdoor walking, outdoor running, indoor rowing, endurance running, interval running, jogging |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Body Details | Case only: 36.3 g | Case only: 20.9 g |
| Body Material | Glass fibre reinforced polyamide | Glass fibre reinforced polycarbonate, PA + GF bottom case |
| Protection | Water-resistant | Water-resistant |
| Colours | Ocean blue | Moon white | Black |
| Clock Display | Yes | Yes |
| FEATURES | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, SpO2 sensor, geomagnetic sensor, optical heart sensor, PPG sensor, gyroscope | Ambient light sensor, SpO2 sensor, 6-axis accelerometer, 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, time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, heart rate variability, snoring |
| Modes | 117 fitness modes, 19 professional modes | 100+ Workout modes |
| 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 | Call handling, find phone function, inactivity alert, alarm, timer, music playback control, weather information, AI smart watch face, sleep disturbance analysis |
| Notifications | SMS, Email, social apps, incoming calls | SMS, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | - |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Alexa built-in | - |
| IoT Voice Controlled | Direct | - |
| CONNECTIVITY | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 466 x 466 pixels | 456 x 280 pixels |
| Screen Size | 1.43" | 1.64" |
| Pixel Density | 326 ppi | 326 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | - | 2.5D curved glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen |
|---|
| CASE | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Bezel | Metal | - |
| Case Details | Blue | Silver | Space black | - |
| BAND | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | - | 19 mm |
| Fits Wrist with Circumference | 160-220 mm | 130-205 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | TPU | Silicone |
| Band Colour | Blue | White | Black | - |
| BATTERY | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 470 mAh | 235 mAh |
| Battery Life | 12 day(s) | 14 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 14 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2.5 hour(s) | - |
| MISCELLANEOUS | Xiaomi Watch S1 Active | OPPO Watch Free |
|---|
| Included Accessories | Magnetic charging cable | Magnetic charging dock |
|---|---|---|
| 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 | - | OWWE201 |
| Warranty | 2-year warranty | 2-year warranty |
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