Detailed comparison and review of Apple Watch Series 3 (GPS + Cellular) and Xiaomi Watch S1. 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 | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS 11 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 | 46.5 mm |
| Height | 38.6 mm | 46.5 mm |
| Depth | 11.4 mm | 11 mm |
| Weight | 28.7 g | 52 g |
| Body Material | Anodised aluminium | Stainless steel |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate, barometric altimeter | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart sensor |
|---|---|---|
| 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 |
| Goal Setting | Yes | Yes |
| Features | Call handling, music remote handling, camera remote control, listening to music, Retina Display technology, text messages handling | Call handling, automatic exercise recognition, breathing training function |
| Notifications | Calendar, SMS, Email | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | - |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | Siri | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Technology | WCDMA (UMTS) / GSM | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.2 | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| 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 | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen, push buttons |
|---|
| CASE | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Case Size | 38 mm | 46 mm |
|---|---|---|
| Case Shape | - | Round |
| Case Back | Ceramic back | - |
| Case Details | Silver aluminium | Space grey aluminium | Gold aluminium | Stainless steel | Space black stainless steel | Silver | Black |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Fits Wrist with Circumference | 130-200 mm | - |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Calf leather |
| Band Colour | White | Black | Fog | Pink sand | Seashell | Dark olive | Soft white | Grey | Space black | Brown | Black |
| STORAGE | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S3 | - |
| Features | W2 Apple wireless chip | - |
| BATTERY | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | - | 470 mAh |
| Battery Life | 18 hours | - |
| Battery Life Details | - | Power saving mode - up to 24 days Typical usage - up to 12 days |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Apple Watch Series 3 (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | USB cable, wireless charging dock, fluororubber watch strap (grey) |
|---|---|---|
| Preloaded Software | Siri | - |
| SAR Value | 0.14 W/kg (head), 0.15 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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