Xiaomi Watch S4 vs Watch S4 41mm
Size, specs & wrist fit compared
Which one fits you
Under 17 cm (6.7 in) round, the 47.3mm's lugs overhang and the 41mm's do not; the 41mm fills the wrist at 15.5–17.5 cm, the 47.3mm at 18–20 cm.
What else differs
- Screen: the 47.3mm has the larger screen, 1.43 in across against 1.32 in on the 41mm.
- Battery: 15 days for the 47.3mm against 8 days for the 41mm in everyday use.
2.5mm thinner, the Watch S4 41mm is the one that slides under a shirt cuff.
The Watch S4 is thinner than 90% of smartwatches 47mm across and the Watch S4 41mm is thinner than 95% of those 41mm across — so both wear flatter than their widths suggest.
The Watch S4 is 6.1mm wider, 2.5mm thicker and 12.5g heavier than the Watch S4 41mm.
Watch S4
Watch S4 41mm
Watch S4: 47.3mm or 41mm by wrist size
| Wrist round (mm left each side) | 47.3mm≈54.5mm lug to lug, est. | 41mm≈47.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (4.7mm over) | Overhangs (1.2mm over) |
| 15 cm / 5.9 in | Overhangs (3.1mm over) | Bold (0.4mm) |
| 16 cm / 6.3 in | Overhangs (1.4mm over) | Sweet spot (2.1mm) |
| 17 cm / 6.7 in | Bold (0.2mm) | Sweet spot (3.7mm) |
| 18 cm / 7.1 in | Sweet spot (1.8mm) | Balanced (5.3mm) |
| 19 cm / 7.5 in | Sweet spot (3.4mm) | Balanced (6.9mm) |
| 20 cm / 7.9 in | Balanced (5mm) | Balanced (8.5mm) |
Switch or add watches
Xiaomi
Watch S4
Xiaomi
Watch S4 41mm
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Battery life compared
Furthest apart in Battery life mode, where the S4 lasts 1.9× as long as the S4 41mm (15 days against 8 days).
S4S4 41mm
Battery life
15 days8 days
More comparisons
2D Dimension Schematics
- Xiaomi Watch S4 47.3mm × ≈54.5mm (est.) · 12mm thick
- Xiaomi Watch S4 41mm 41.2mm × ≈47.5mm (est.) · 9.5mm thick
3D preview
Watch S4 vs Watch S4 41mm on a wrist
Specifications
The short version
10 key specs| Spec | XiaomiWatch S4 | XiaomiWatch S4 41mm |
|---|---|---|
| Case Width | 47.3mm | 41.2mm |
| Thickness | 12mm | 9.5mm |
| Weight | 44.5g | 32g |
| Shape | Circular | Circular |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.43 inches | 1.32 inches |
| Battery life | 15 days | 8 days |
| Released | 2024 | 2025 |
Where the specifications differ
13 differences| Spec | Xiaomi Watch S4 | Xiaomi Watch S4 41mm |
|---|---|---|
| Design | ||
| width | 47.3 | 41.2 |
| height | 47.3 | 41.2 |
| volume | 26.85 cm³ | 16.13 cm³ |
| weight | 44.5 g | 32 g |
| thickness | 12 | 9.5 |
| screen size | 1.43 inches | 1.32 inches |
| pixel density | 326 ppi | 320 ppi |
| Battery | ||
| battery life | 15 days | 8 days |
| battery power | 486 mAh | 320 mAh |
| has wireless charging | Yes | No |
| Features | ||
| release date | 2024-10-29 | 2025-06-26 |
| number of microphones | 2 | 1 |
| Connectivity | ||
| Bluetooth version | 5.3 | 5.4 |
The other 91 specifications both list are identical.
Full Xiaomi Watch S4 specifications →Full Xiaomi Watch S4 41mm specifications →

