In depth comparison and review of Apple Watch SE (GPS + Cellular) and Xiaomi Watch S1. 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 SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 7 | - |
| Supported Host Device OS | iOS 14 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 | - | 46.5 mm |
| Height | - | 46.5 mm |
| Depth | - | 11 mm |
| Weight | - | 52 g |
| Body Details | Case only: 30.68 g | - |
| Body Material | Aerospace-grade aluminium alloy | Stainless steel |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, barometric altimeter, optical heart sensor | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, pulse oximeter, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate | 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, Retina Display technology, Fall detection, Emergency SOS, irregular beat alerts, Family Setup support | Call handling, automatic exercise recognition, breathing training function |
| Notifications | Calendar, SMS, Email, high and low heart rate | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | - |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GNSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | Apple Pay | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Siri | Alexa built-in |
| IoT Voice Controlled | Direct | Direct |
| CELLULAR | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| CONNECTIVITY | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| 3M UMTS Band | Band 1, Band 2, Band 5, Band 8, Band 10 | - |
|---|---|---|
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, 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, Bluetooth 5.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.2 |
| DISPLAY | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Type | LTPO OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 324 x 394 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 SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Case Size | 40 mm | 46 mm |
|---|---|---|
| Case Shape | Rectangular | Round |
| Case Back | Sapphire crystal and ceramic back | - |
| Case Details | Silver aluminium | Gold aluminium | Space grey aluminium | Silver | Black |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Size | Regular | - |
| Fits Wrist with Circumference | 130-200 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Calf leather |
| Band Colour | Abyss blue | Starlight | Midnight | Abyss blue/moss green | Maize/white | Tornado/grey | White | Pink sand | Black | Charcoal | Plum | Deep navy | Brown | Black |
| STORAGE | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Storage Capacity | 32 GB | - |
|---|
| CPU | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S5 SiP | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch SE (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 | Yes |
| Wireless Charging | Yes | Yes |
| MISCELLANEOUS | Apple Watch SE (GPS + Cellular) | Xiaomi Watch S1 |
|---|
| Included Accessories | S/M band, M/L band, magnetic charger to USB-C cable (1 m) | USB cable, wireless charging dock, fluororubber watch strap (grey) |
|---|---|---|
| Preloaded Software | Apple Pay, GymKit | - |
| SAR Value | 0.18 W/kg (head), 0.92 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Manufacturer Model Number | A2355 | - |
| Warranty | 1-year warranty | 2-year warranty |
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