Xiaomi Watch S5: specs, who it fits and compatible phones
Xiaomi Watch S5 is a smartwatch released in 2026 that works with iPhone and Android. It lists Dual-band GNSS, 5ATM and SpO2, HRV.
Specifications
| Release year | 2026 |
|---|---|
| Case size | 46 mm |
| Display | AMOLED |
| Brightness | 2500 nits |
| Battery as listed | 12 days (user-measured) (approx.) |
| Water rating | 5ATM |
| Case material | Aluminum |
| GPS type | Dual-band GNSS |
| Operating system | Xiaomi HyperOS 3 |
| Works with | iPhone and Android |
| Plan needed | None |
| Health sensors | SpO2, HRV, Skin temperature, Sleep apnea |
| Safety features | SOS, Fall detection |
Who it fits
- Works with iPhone and Android.
- Lists SOS or fall detection, see our guide for older adults.
- Lists an exact water rating of 5ATM or higher.
How it compares
Closest models from Xiaomi
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Xiaomi Watch S4 | 2025 | 47 mm | Up to 15 days | 5ATM | Dual-band GNSS | iOS and Android |
| Xiaomi Watch S4 41mm | 2025 | 41 mm | Up to 8 days light use · 4 days regular | 5ATM | Dual-band GNSS | iOS and Android |
| Xiaomi Watch S1 | 2022 | 46 mm | Up to 12 days | 5ATM | Dual-band GNSS | iOS and Android |
Closest models from other brands
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Amazfit Active 3 Premium | 2026 | 45 mm | 12 days (approx.) | 5ATM | Dual-band GNSS | iOS and Android |
| Huawei Watch 6 | 2026 | 42 / 46 mm | Up to 4.5 days · up to 11 days in battery saver mode | 5ATM | Dual-band GNSS + maps | iOS and Android |
| Huawei Watch 6 Pro | 2026 | 43 / 46 mm | Up to 4.5 days · up to 11 days in battery saver mode | 5ATM | Dual-band GNSS + maps | iOS and Android |
Compared with Xiaomi Watch S4, Xiaomi Watch S5 lists a newer release year (2026 against 2025).
Compared with Xiaomi Watch S4 41mm, Xiaomi Watch S5 lists a larger case (46 mm against 41 mm), a newer release year (2026 against 2025) and a brighter listed display (2500 nits against 1500).
Compared with Xiaomi Watch S1, Xiaomi Watch S5 lists a newer release year (2026 against 2022) and Aluminum case material, where Xiaomi Watch S1 lists Stainless steel.
Compared with Huawei Watch 6, Xiaomi Watch S5 lists a dimmer listed display (2500 nits against 3000) and Aluminum case material, where Huawei Watch 6 lists Aluminum/stainless steel.
Compared with Huawei Watch 6 Pro, Xiaomi Watch S5 lists a dimmer listed display (2500 nits against 3500) and Aluminum case material, where Huawei Watch 6 Pro lists Titanium / ceramic.
Only values listed exactly are compared.
Position in the catalog
Its case size of 46 mm is larger than 40% of 52 smartwatches with a single exact size. Its exact water rating of 5ATM is above 4% of 78 smartwatches with a single exact ATM rating. It was released in 2026. Among 128 smartwatches with an exact release year, 100% were released in 2026 or earlier and 9% were released in 2026 or later.
Phone compatibility and plan
No plan is listed as needed.
Sensors and features are listed as the maker names them and are not medical measurements.
Related guides and lists
- Battery life explained
- Phone compatibility
- Water resistance ratings
- Sensors explained
- Xiaomi smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology