Compare Xiaomi Watch S4 41mm
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 | New  £ 129,99 4 colours |   £ 314,20 3 colours | New  |   £ 742,58 2 colours | Add smartwatch to the comparison |
|---|---|---|---|---|---|
| Dimensions: | 41,2 x 41,2 x 9,5 mm | 45,6 x 45,6 x 11,25 mm | 48,6 x 48,6 x 13,4 mm | 47,8 x 47,8 x 12,9 mm | |
| Weight: | 32 gr | 54,7 gr | 79 gr | 80,5 gr | |
| Stand-by time: | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Call time: | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Announced: | 24 september 2025 | 18 september 2025 | 20 march 2024 | 19 september 2025 | |
Design type | |||||
| Watch: | |||||
Controls | |||||
| Directional key: | |||||
| Swivel crown: | |||||
| Touchscreen: | Multi-touch, capacitive | Capacitive | Capacitive | ||
User interface | |||||
| HyperOS: | 3 | ||||
Display | |||||
| Colour display: | 16.777.216 colours (24 bits), AMOLED, Always On feature | Adjustable display brightness, AMOLED, Always On feature | Adjustable display brightness, AMOLED, Always On feature | AMOLED, Always On feature | |
| Peak brightness: | 1500 nits | 3000 nits | 3500 nits | ||
| Refresh rate: | 60 Hz | ||||
| Resolution: | 466 x 466 pixels | 466 x 466 pixels | 454 x 454 pixels | 466 x 466 pixels | |
| Size: | 1.32 inch | 1.47 inch | 1.39 inch | 1.5 inch | |
| Aspect ratio: | 1:1 | 1:1 | 1:1 | 1:1 | |
| Pixels Per Inch (PPI): | 499 | 448 | 462 | 439 | |
| Screen-to-body ratio: | 33.1% | 33.5% | 26.4% | 31.8% | |
Carrying method | |||||
| Strap: | Interchangeable | ||||
| Wrist Size: | 135-210 mm | 140-210 mm | 140-210 mm | ||
| Size: | 22 mm | ||||
Materials | |||||
| Dirt and waterproof: | 5 ATM | IP69, 5 ATM | 10 ATM | IP68/69, 20 ATM | |
| Stainless Steel: | |||||
| Ceramics: | |||||
| Fluoroelastomer: | |||||
| Sapphire Crystal: | |||||
| Titanium: | |||||
| Plastic: | |||||
| Rugged casing: | MIL-STD-810H | ||||
Telephony | |||||
| Integrated handsfree speaker: | |||||
| Flight mode: | |||||
| Vibrating alert: | |||||
| eSIM: | |||||
Personalisation | |||||
| Multiple homescreens: | |||||
| Widgets: | |||||
Personal Information | |||||
| Agenda: | |||||
| Alarm clock: | |||||
| Date and time notation: | |||||
| Reminder list: | |||||
| Stopwatch & countdown timer: | |||||
| To-do list: | |||||
| Calculator: | |||||
| Contact list: | |||||
Available applications | |||||
| Calories: | |||||
| Pedometer: | |||||
| Sleep tracker: | |||||
| Stressmonitor: | |||||
Navigation | |||||
| Beidou: | |||||
| Digital Compass: | |||||
| Galileo: | |||||
| GLONASS: | |||||
| GPS receiver: | |||||
| Quasi-Zenith (QZSS): | |||||
| A-GPS: | |||||
Audio | |||||
| Built-in speakers: | |||||
| Microphone: | |||||
Connections | |||||
| Pogo pin: | |||||
| USB: | Type-C | ||||
Connectivity | |||||
| Bluetooth: | v5.4 | v6.0 | v5.2 | ||
| NFC: | |||||
| Wireless Lan (WLAN/Wi-Fi): | Wi-Fi 6 (802.11ax) | ||||
Power supply | |||||
| Battery: | Li-ion | Si-C (Silicon-carbon) | Li-poly | ||
| Capacity: | 320 mAh | 867 mAh | 488 mAh | ||
| Wireless charging: | |||||
Sensors | |||||
| Ambient light sensor: | |||||
| Barometer: | |||||
| Gesture recognition: | |||||
| Gyroscope: | |||||
| Heart rate monitor: | |||||
| Oxygen saturation (SpO2): | |||||
| Thermometer: | |||||
| Depth sensor: | |||||
| ECG: | |||||
| Skin temperature sensor: | |||||
Compatibility | |||||
| With Android: | From 8.0 | From 9.0 | From 9.0 | ||
| With iOS: | From 14.0 | From 13.0 | From 13.0 | ||
Contents of the package | |||||
| Manual: | |||||
| Oplaadcase: | |||||
| Charging cable: | |||||
| Quick start guide: | |||||
| Safety booklet: | |||||
| Warranty card: | |||||
| Oplader: | |||||
| Wristband: | |||||
Hardware | |||||
| Integrated antenna: | |||||
| Processor: | 275 MHz | ||||
Build-in memory | |||||
| Internal memory: | |||||
| Size (RAM): | 37 MB | ||||
| Storage: | 32 GB | ||||
