Detailed comparison and review of Xiaomi Watch S1 and OPPO Watch Free. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Xiaomi Watch S1 | 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 | - |
| Width | 46.5 mm | - |
| Height | 46.5 mm | - |
| Depth | 11 mm | - |
| Weight | 52 g | - |
| Body Details | - | Case only: 20.9 g |
| Body Material | Stainless steel | Glass fibre reinforced polycarbonate, PA + GF bottom case |
| Protection | Water-resistant | Water-resistant |
| Colours | - | Black |
| Clock Display | Yes | Yes |
| FEATURES | Xiaomi Watch S1 | OPPO Watch Free |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart sensor | 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 | - | 100+ Workout modes |
| Goal Setting | Yes | Yes |
| Features | Call handling, automatic exercise recognition, breathing training function | 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 |
| 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 | OPPO Watch Free |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Xiaomi Watch S1 | 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 | Sapphire glass | 2.5D curved glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Xiaomi Watch S1 | OPPO Watch Free |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen |
|---|
| CASE | Xiaomi Watch S1 | OPPO Watch Free |
|---|
| Case Size | 46 mm | - |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Details | Silver | Black | - |
| BAND | Xiaomi Watch S1 | OPPO Watch Free |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | - | 19 mm |
| Fits Wrist with Circumference | - | 130-205 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Calf leather | Silicone |
| Band Colour | Brown | Black | - |
| BATTERY | Xiaomi Watch S1 | OPPO Watch Free |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Capacity | 470 mAh | 235 mAh |
| Battery Life | - | 14 day(s) |
| Battery Life Details | Power saving mode - up to 24 days Typical usage - up to 12 days |
Typical usage - up to 14 days |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Xiaomi Watch S1 | OPPO Watch Free |
|---|
| Included Accessories | USB cable, wireless charging dock, fluororubber watch strap (grey) | Magnetic charging dock |
|---|---|---|
| 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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