In depth comparison and review of Xiaomi Watch S1 and Apple Watch Series 9 (GPS + Cellular). 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 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 10 |
| Supported Host Device OS | iOS 10 or later, Android 6.0 (Marshmallow) or later | iOS 17 or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 46.5 mm | - |
| Height | 46.5 mm | - |
| Depth | 11 mm | - |
| Weight | 52 g | - |
| Body Details | - | Case only: 32.1 g |
| Body Material | Stainless steel | 100% recycled aluminium |
| Protection | Water-resistant | Water-resistant, dust-resistant, crack-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart sensor | Digital compass, electrical heart sensor, blood oxygen sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range |
|---|---|---|
| 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, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, mental wellbeing |
| Goal Setting | Yes | Yes |
| Features | Call handling, automatic exercise recognition, breathing training function | Fall detection, Emergency SOS, brightness: 2000 nits, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, precision finding for iPhone, elevation view |
| Notifications | SMS, Email, social apps, incoming calls | Calendar, SMS, Email, applications, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | - | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa built-in | Siri |
| IoT Voice Controlled | Direct | Direct |
| CELLULAR | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Type | AMOLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 466 x 466 pixels | 352 x 430 pixels |
| Screen Size | 1.43" | - |
| Pixel Density | 326 ppi | - |
| Screen Protection | Sapphire glass | Ion-X glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, side button, double tap gesture |
|---|
| CASE | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Case Size | 46 mm | 41 mm |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Silver | Black | Starlight aluminium | Silver aluminium | Gold stainless steel | Graphite stainless steel | Midnight aluminium | Pink aluminum | Red aluminium | Silver stainless steel |
| Crown Type | - | Digital with haptic feedback |
| BAND | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Band Type | Strap | Sport band |
|---|---|---|
| Band Size | - | M/L |
| Fits Wrist with Circumference | - | 150-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Calf leather | Fluoroelastomer |
| Band Colour | Brown | Black | Starlight | Storm blue | Clay | Midnight | Light pink | Red | Silver | Gold | Graphite | Winter blue |
| STORAGE | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Storage Capacity | - | 64 GB |
|---|
| CPU | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S9 SiP |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Capacity | 470 mAh | - |
| Battery Life | - | 18 hours |
| Battery Life Details | Power saving mode - up to 24 days Typical usage - up to 12 days |
Typical usage - up to 18 hour(s) Low power mode - up to 36 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | Yes |
| MISCELLANEOUS | Xiaomi Watch S1 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Included Accessories | USB cable, wireless charging dock, fluororubber watch strap (grey) | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | - | GymKit |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, Arsenic-free |
| Specific Absorption Rate (SAR) | - | 0.15 W/kg (head) 0.36 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | - |
| Min Operating Temperature | -10 °C | - |
| Manufacturer Model Number | - | A2982 |
| Warranty | 2-year warranty | - |
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