Samsung
Device summary
Xiaomi
Xiaomi Watch S4 41mm
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2025 |
| Starting price | — | — |
| Display size | 1.3-inch | 1.3-inch |
| Dimensions | 38.8 mm × 40.4 mm × 9.0 mm | 41.2 mm × 41.2 mm × 9.5 mm |
| Weight | 29 g | 32 g |
| Front material | Sapphire crystal | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED | AMOLED |
| Resolution | 432 × 432 | 466 × 466 |
| Peak brightness | 2000 nits | — |
| Protection | Sapphire crystal | — |
| Performance | ||
| Chipset | Exynos W930 Dual-Core 1.4GHz | — |
| RAM | 2 GB | — |
| Storage | 16 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Wireless charging (WPC) with Fast Charging | Magnetic charging dock |
| Battery type | Lithium-ion | Lithium-ion polymer |
| Battery capacity | 300 mAh | — |
| Connectivity | ||
| Cellular | LTE (optional models), GPS, GLONASS, Galileo, BDS | GPS / multi-GNSS |
| Wi‑Fi | Wi‑Fi 2.4GHz & 5GHz | — |
| Bluetooth | Bluetooth 5.3 | Bluetooth |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Armor aluminum | — |
| Ingress protection | 5ATM / IP68 / MIL-STD-810H | 5 ATM |
| Basic information | ||
|---|---|---|
| Release year | 2023 | 2025 |
| Starting price | — | — |
| Display size | 1.3-inch | 1.3-inch |
| Dimensions | 38.8 mm × 40.4 mm × 9.0 mm | 41.2 mm × 41.2 mm × 9.5 mm |
| Weight | 29 g | 32 g |
| Front material | Sapphire crystal | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED | AMOLED |
| Resolution | 432 × 432 | 466 × 466 |
| Peak brightness | 2000 nits | — |
| Protection | Sapphire crystal | — |
| Performance | ||
| Chipset | Exynos W930 Dual-Core 1.4GHz | — |
| RAM | 2 GB | — |
| Storage | 16 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Wireless charging (WPC) with Fast Charging | Magnetic charging dock |
| Battery type | Lithium-ion | Lithium-ion polymer |
| Battery capacity | 300 mAh | — |
| Connectivity | ||
| Cellular | LTE (optional models), GPS, GLONASS, Galileo, BDS | GPS / multi-GNSS |
| Wi‑Fi | Wi‑Fi 2.4GHz & 5GHz | — |
| Bluetooth | Bluetooth 5.3 | Bluetooth |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Armor aluminum | — |
| Ingress protection | 5ATM / IP68 / MIL-STD-810H | 5 ATM |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Width
Xiaomi Watch S4 41mm
2.4 mm wider
Thickness
Galaxy Watch6 40mm
0.5 mm thinner
Weight
Galaxy Watch6 40mm
3 g lighter · minor difference
Height
Xiaomi Watch S4 41mm
0.8 mm taller · minor difference