Xiaomi Watch S1
$0
Overview
Xiaomi Watch S1 is a budget Android smartphone released in 2021 with a 1.43-inch AMOLED, powerful processor chipset, N/A main camera, and 470 mAh battery.
The device runs HyperOS with features like Leica partnership. Priced at $0, it targets users seeking budget performance.
Specifications of Xiaomi Watch S1
The display of Xiaomi Watch S1 measures 1.43 inches with AMOLED technology. Peak brightness reaches 600 nits for excellent outdoor visibility. The screen renders at 466x466 pixels resolution.
The battery of Xiaomi Watch S1 has 470mAh capacity with 33 wired charging. A full charge takes approximately 120 min minutes.
The connectivity of Xiaomi Watch S1 includes Wi-Fi Wi-Fi 802.11 b/g/n (China only), and Bluetooth 5.2. NFC is supported for contactless payments.
The build of Xiaomi Watch S1 weighs 53.0g with Stainless Steel frame and Plastic back. Water and dust resistance is rated 5atm. Dimensions measure 46.5 x 46.5 x 11 mm.
The software of Xiaomi Watch S1 runs Proprietary OS with HyperOS. Software support extends 2 years through 2028.
Compare Xiaomi Watch S1
Frequently Asked Questions about Xiaomi Watch S1
Xiaomi Watch S1 receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Xiaomi Watch S1 has 5atm protection against dust and water.
Xiaomi Watch S1 has a 470mAh battery. Battery life varies based on usage patterns.
Xiaomi Watch S1 at $0 is a budget device. It's worth buying if you prioritize affordability over premium features.
Xiaomi Watch S1 supports 33 wired charging with full charge in approximately 120 min minutes.
Xiaomi Watch S1 has a 1.43-inch AMOLED and 600 nits peak brightness.
Xiaomi Watch S1 in Category Rankings
See how Xiaomi Watch S1 ranks in these categories:
Verdict
The Xiaomi Watch S1 delivers practical value for users prioritizing affordability over premium features. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
1.43"
Main Camera
Chipset
Full Specifications
Network
| Technology | No cellular connectivity |
| 2G Bands | N/A |
| 3G Bands | N/A |
| 4G LTE Bands | N/A |
| 5G Sub-6 Bands | N/A |
| 5G mmWave Bands | N/A |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | N/A |
| Dual SIM Mode | N/A |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2021 |
| Status | Available. Released 2021, December 31 |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | N/A |
Body & Design
| Dimensions (mm) | 46.5 x 46.5 x 11 mm |
| Weight (g) | 53.0 |
| Build Materials | Sapphire crystal front, stainless steel frame, plastic back |
| Frame | Stainless Steel |
| Back Finish | Plastic |
| Colors | ["Black", "Silver"] |
| IP Rating | 5atm |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Watch |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | N/A |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | AMOLED |
| Size (inches) | 1.43 |
| Resolution (px) | 466x466 pixels |
| Aspect Ratio | N/A |
| Pixel Density (ppi) | 326 |
| Screen-to-body Ratio (%) | 70.0 |
| Refresh Rate (Hz) | N/A |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 240 |
| Peak Brightness (nits) | 600 |
| HDR Standards | N/A |
| Color Gamut | sRGB |
| Color Depth | 24 |
| PWM Dimming (Hz) | 60 |
| Glass Protection | corning-gorilla-glass-3 |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display | N/A |
Platform (SoC)
| OS at Launch | Proprietary OS |
| Update Policy | 2 years |
| Chipset | N/A |
| CPU | N/A |
| GPU | N/A |
| NPU/AI TOPs | N/A |
| ISP Features | N/A |
| Modem | N/A |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | N/A |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | N/A |
| RAM Type | N/A |
| Storage | N/A |
| Storage Type | Unspecified storage |
| Storage Speed | N/A |
| Expandable Storage | |
| Slot Type | N/A |
| USB OTG | |
| Filesystem Encryption |
Main Camera System
| Rear Cameras | 1 |
| Main Sensor | N/A |
| Main Sensor Size | 1/3.06 |
| Main Sensor Model | samsung-s5k3l6 |
| Main Lens | f/1.8, 26mm |
| OIS | N/A |
| Autofocus | contrast-detection |
| Pixel Binning | 4-in-1 |
| Ultrawide | N/A |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | Dual-LED |
| Video Resolution | 1080p@30fps |
| HDR/Dolby Vision Video | HDR10 |
| Video Codecs | h.264,h.265 |
| Slow Motion | 720p@120fps |
| Video Stabilization | EIS |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | N/A |
| Sensor Size | 1/5.8 |
| Aperture | f/2.2 |
| AF/OIS | N/A |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | N/A |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | N/A |
| DAC/Amp | N/A |
Connectivity
| Wi-Fi | Wi-Fi 802.11 b/g/n (China only) |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n (China only) |
| Bluetooth | 5.2 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | N/A |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | N/A |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | heart-rate,blood-oxygen,accelerometer,gyroscope,compass,barometer |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 470 |
| Type | Li-Po |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 33 |
| Wired Standard | xiaomi-mijia-33w |
| 0-50% Time (mins) | 45 min |
| Full Charge Time | 120 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | |
| Battery Health Features | N/A |
Software
| OS at Launch | Proprietary OS |
| Update Window | 2 years |
| UI Skin / Launcher | N/A |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | N/A |
| Accessibility | N/A |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | watch,charging-cable,charger,manual |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!