Xiaomi Watch S1 Active
- Display: 1.43-inch AMOLED; 466 × 466
- Body: Glass fibre-reinforced polyamide; approximately 36.3g
- Positioning: Independent dual-band GPS / BeiDou / GLONASS / Galileo / QZSS
- Fitness: 117 fitness modes including 19 professional modes; firmware-dependent
- Battery: 470mAh; up to 12 days typical use under tests
- Calls: Bluetooth calling through connected phone
- Compatibility: Android 6.0 or iOS 10.0 and above
- Water resistance: 5ATM; appropriate shallow-water use; avoid hot showers, saunas and diving
- Package: One watch, magnetic charging cable, user manual and warranty notice
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Xiaomi Watch S1 Active Highlights
- 470 mAh battery
- 1.43-inch OLED display
- 5 ATM water resistance
- 36 g weight
- Wi-Fi 4 wireless, with Bluetooth 5.2
- 2.5 hours to recharge
Compare Xiaomi Watch S1 Active with Similar Products
Compare Xiaomi Watch S1 Active specs, features and price with similar smartwatches and alternatives.
Comparison full
0 spaces availableIdentity & design
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Brand | Xiaomi | Redmi | Huawei | Amazfit |
| Model | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
| Announced | 2022, March 15 | 2024, November 27 | 2025, May 15 | Not specified |
| Dimensions | 46.5 × 47.3 × 11 mm, excluding strap and protrusions | 47.5 × 41.1 × 11.3 mm, excluding strap and protrusions | 43.0 × 38.0 × 9.5 mm | 43.9 × 43.9 × 9.9 mm without heart-rate sensor base |
| Weight | 36 (1.27 oz) | Approximately 33.5 g without strap | Pink, Grey, White, Purple, Black; Approximately 27 g (without the strap) | 29.5 g without strap |
| Build materials | Glass-fibre-reinforced polyamide frame | Aluminum-alloy frame | Glass front, aluminum frame, plastic back | Stainless-steel bezel; polymer middle frame |
| Wrist size | 160–220 mm | 135–205 mm | Pink, Purple: 120–190 mm; Grey, White, Black: 130–210 mm | 135–195 mm |
| Strap / band | White silicone; black or blue TPU | TPU | Pink Fluoroelastomer Strap; Grey Nylon Strap; White Fluoroelastomer Strap; Purple Fluoroelastomer Strap; Black Fluoroelastomer Strap | 20 mm quick-release silicone; pin buckle |
| Controls / buttons | Touchscreen and side buttons; lower button supports configured emergency contact shortcut | Stainless-steel rotating crown; touchscreen | Home Button (Rotating Crown) and Side Button | Two physical buttons and touchscreen |
Display
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Display | 1.43-inch AMOLED | 2.07-inch AMOLED | 1.82 inch AMOLED | 1.32-inch AMOLED |
| Screen resolution | 466 × 466 pixels | 432 × 514 pixels; 324 ppi | 480 × 408 pixels, PPI 347 | 466 × 466 pixels; 353 ppi |
| Display features | Customisable watch faces | 60 Hz refresh rate; 82% screen-to-body ratio | 2000 nits (peak) | Not specified |
| Display protection | Not specified | Not specified | Not specified | Tempered glass; anti-fingerprint coating |
Performance & software
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Operating system | Proprietary OS | Xiaomi HyperOS | Not specified | Not specified |
| Storage | Not specified | 164 MB locally available | Not specified | Not specified |
Connectivity
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Network / cellular | No cellular connectivity | Bluetooth-connected smartphone | No cellular connectivity | Not specified |
| SIM / eSIM | No | Not specified | No | Not specified |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz | No | No | Not specified |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.3 | 2.4 GHz, supports BT5.2 and BR + BLE | Bluetooth 5.2 BLE |
| NFC | Yes | NFC (China only) | Supported | Not specified |
| Positioning / GNSS | GPS; GLONASS; Galileo; BeiDou; QZSS | GPS; Galileo; GLONASS; BeiDou; QZSS | L1: GPS + GLONASS + GALILEO + BDS + QZSS; L5: GPS + GALILEO + BDS +QZSS | 5 satellite positioning systems; circularly polarized antenna |
Audio & communication
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Speaker | Supported | Supported | Supported | Supported |
| Microphone | Supported | 2 microphones | Supported | Supported |
| Calling | Bluetooth calling through a connected compatible smartphone | Bluetooth calling with a connected smartphone | Bluetooth calling through a paired phone | Bluetooth calling |
Sensors, health & fitness
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Sensors | Heart-rate and blood-oxygen sensor; accelerometer; gyroscope; geomagnetic sensor; atmospheric-pressure sensor; ambient-light sensor | Heart-rate and blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass | Accelerometer sensor; Gyroscope sensor; Magnetometer sensor; Ambient light sensor; Optical heart rate sensor; Barometer sensor | BioTracker PPG; accelerometer; gyroscope; ambient light; geomagnetic sensor; temperature; barometric altimeter |
| Health & wellness features | Heart rate, blood oxygen, stress and supported cycle tracking; general wellness information; selected continuous monitoring and alerts require enabling | All-day heart-rate, blood-oxygen and stress monitoring; breathing exercises; vitality score | Not specified | 24-hour heart rate, SpO₂ and stress; skin temperature; one-tap measurement; high and low heart-rate alerts; low SpO₂ alerts; breathing exercises; PAI; heart-rate recovery; menstrual-cycle tracking |
| Sleep tracking | Night sleep and supported naps; detailed stage data excluded for short naps under three hours | All-day scientific sleep monitoring | Not specified | Sleep HRV; sleep stages including REM; naps; sleep schedule; breathing quality; sleep score |
| Sports / workout modes | 117 fitness modes including 19 professional modes; firmware-dependent | More than 150 sports modes, including 18 water sports | Not specified | 164 sports modes |
| Training & outdoor features | Outdoor route recording with independent dual-band GNSS; supported fitness records | 10 running courses; independent five-system GNSS | Not specified | Zepp Coach; PeakBeats; training templates; interval training; track running; trajectory correction; virtual pacer |
| Safety & emergency features | Triple-press lower side button to call previously configured emergency contact; requires connected phone and prior app setup | Not specified | Not specified | Not specified |
Battery & durability
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Battery capacity | 470 mAh | 550 mAh | Li-Ion 400 mAh | 270 mAh |
| Battery life | Up to 12 days typical use or 24 days battery saver in manufacturer testing; actual life varies | Up to 24 days typical use | Up to 10 days maximum; 7 days typical use; 4 days with AOD | 10 days typical; 5 days heavy; 19 days Battery Saver; 21 hours continuous GPS |
| Charging | Magnetic charging cable | Magnetic charging cable | Wireless charging | Magnetic charging head |
| Water resistance | 5 ATM | 5 ATM | 5 ATM water-resistant | 5 ATM |
Compatibility
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Phone compatibility | Android 6.0 or later; iOS 10.0 or later | Android 8.0 or later; iOS 12.0 or later | Android 8.0 or later; iOS 13.0 or later | Android 7 or later; iOS 14 or later |
| Companion app | Mi Fitness | Mi Fitness | HUAWEI Health | Zepp |
| Colors | Moon White; Ocean Blue; Space Black | Obsidian Black; Silver Gray; Lavender Purple | Black, Silver | Red Sport Silicone; Black Sport Silicone |
Additional specifications
| Specification | Xiaomi Watch S1 Active | Redmi Watch 5 | Huawei Watch Fit 4 | Amazfit Active 2 Round |
|---|---|---|---|---|
| Case material | Glass-fibre-reinforced polyamide | Aluminum alloy | Aluminum alloy | Stainless-steel bezel; polymer frame |
| Watch weight without strap | Approximately 36.3g watch body | Not specified | Not specified | Not specified |
| Accuracy GPS battery life | Up to 30 hours in GPS mode under manufacturer tests | Not specified | Not specified | Not specified |
| Charging time | Approximately 2.5 hours under manufacturer test conditions | Not specified | Not specified | Approximately 2 hours |
| Bluetooth and Wi-Fi | Bluetooth 5.2; Wi-Fi IEEE 802.11b/g/n 2.4GHz | Not specified | Not specified | Not specified |
| Packing list | Watch; magnetic charging cable; user manual; warranty notice | Watch; magnetic charging cable; user manual | Watch × 1; Charging Cradle (including the charging cable) × 1; Quick Start Guide & Safety Information & Warranty Card × 1 | Watch with standard strap; magnetic charging head; instruction manual |
| Release status | Available. Released 2022, March 24 | Available. Released 2025, January 15 | Available. Released 2025, May 26 | Not specified |
| Card slot | No | No | No | Not specified |
| Camera | No | No | No | Not specified |
| 3.5 mm headphone jack | No | No | No | Not specified |
| USB | No | No | No | Not specified |
| Radio | No | No | No | Not specified |
| Network speed | No | Not specified | No | Not specified |
| Pixels per inch | Not specified | 324 ppi | 347 ppi | 353 ppi |
| Peak brightness | Not specified | 1,500 nits HBM | 2000 nits Peak Brightness | Not specified |
| color | Not specified | Obsidian Black, Silver Gray, Lavender Purple | Not specified | Not specified |
| Model numbers | Not specified | Not specified | SYA-B19 | Not specified |
| Additional hardware features | Not specified | Not specified | Pulse wave arrhythmia analysis | Not specified |
| Charging input | Not specified | Not specified | 5V-9V DC/2A | Not specified |
| Operating temperature | Not specified | Not specified | –20°C to +45°C | Not specified |
| Smart recognition | Not specified | Not specified | Not specified | 25 strength-training movements; 8 sports movements |
| Third-party fitness apps | Not specified | Not specified | Not specified | Strava; adidas Running; TrainingPeaks; komoot; Relive; Google Fit; Apple Health |
Specs
Xiaomi Watch S1 Active specifications
Identity & design
| Brand | Xiaomi |
|---|---|
| Model | Xiaomi Watch S1 Active |
| Announced | 2022, March 15 |
| Dimensions | 46.5 × 47.3 × 11 mm, excluding strap and protrusions |
| Weight | 36 (1.27 oz) |
| Build materials | Glass-fibre-reinforced polyamide frame |
| Wrist size | 160–220 mm |
| Strap / band | White silicone; black or blue TPU |
| Controls / buttons | Touchscreen and side buttons; lower button supports configured emergency contact shortcut |
Display
| Display | 1.43-inch AMOLED |
|---|---|
| Screen resolution | 466 × 466 pixels |
| Display features | Customisable watch faces |
Performance & software
| Operating system | Proprietary OS |
|---|
Connectivity
| Network / cellular | No cellular connectivity |
|---|---|
| SIM / eSIM | No |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth 5.2 |
| NFC | Yes |
| Positioning / GNSS | GPS; GLONASS; Galileo; BeiDou; QZSS |
| USB | No |
| Radio | No |
| Network speed | No |
Audio & communication
| Speaker | Supported |
|---|---|
| Microphone | Supported |
| Calling | Bluetooth calling through a connected compatible smartphone |
Sensors, health & fitness
| Sensors | Heart-rate and blood-oxygen sensor; accelerometer; gyroscope; geomagnetic sensor; atmospheric-pressure sensor; ambient-light sensor |
|---|---|
| Health & wellness features | Heart rate, blood oxygen, stress and supported cycle tracking; general wellness information; selected continuous monitoring and alerts require enabling |
| Sleep tracking | Night sleep and supported naps; detailed stage data excluded for short naps under three hours |
| Sports / workout modes | 117 fitness modes including 19 professional modes; firmware-dependent |
| Training & outdoor features | Outdoor route recording with independent dual-band GNSS; supported fitness records |
| Safety & emergency features | Triple-press lower side button to call previously configured emergency contact; requires connected phone and prior app setup |
Battery & durability
| Battery capacity | 470 mAh |
|---|---|
| Battery life | Up to 12 days typical use or 24 days battery saver in manufacturer testing; actual life varies |
| Charging | Magnetic charging cable |
| Water resistance | 5 ATM |
Compatibility
| Phone compatibility | Android 6.0 or later; iOS 10.0 or later |
|---|---|
| Companion app | Mi Fitness |
| Colors | Moon White; Ocean Blue; Space Black |
Design
| Case material | Glass-fibre-reinforced polyamide |
|---|---|
| Watch weight without strap | Approximately 36.3g watch body |
Battery
| Accuracy GPS battery life | Up to 30 hours in GPS mode under manufacturer tests |
|---|---|
| Charging time | Approximately 2.5 hours under manufacturer test conditions |
Sensors and connectivity
| Bluetooth and Wi-Fi | Bluetooth 5.2; Wi-Fi IEEE 802.11b/g/n 2.4GHz |
|---|
System and package
| Packing list | Watch; magnetic charging cable; user manual; warranty notice |
|---|
General
| Release status | Available. Released 2022, March 24 |
|---|
Memory & storage
| Card slot | No |
|---|
Cameras
| Camera | No |
|---|
Audio
| 3.5 mm headphone jack | No |
|---|