Samsung Galaxy Watch FE 40mm vs Galaxy Watch8 Wi-Fi 40mm
Size, specs & wrist fit compared
Which one fits you
Both keep their lugs inside any wrist from 13 cm (5.1 in) round; the Galaxy Watch FE 40mm fills the wrist at 13–14.5 cm, the Galaxy Watch8 Wi-Fi 40mm at 14–15.5 cm.
What else differs
- Screen: the Galaxy Watch8 Wi-Fi 40mm has the larger screen, 1.34 in across against 1.2 in on the Galaxy Watch FE 40mm.
- Battery: the Galaxy Watch8 Wi-Fi 40mm carries a 325 mAh cell against 247 mAh in the Galaxy Watch FE 40mm, 32% more; neither spec sheet lists runtimes by mode to line up.
- Only the Galaxy Watch FE 40mm has an LTE version.
The Galaxy Watch8 Wi-Fi 40mm is the thinnest of the 40 smartwatches 40mm across that we hold thickness for.
The Galaxy Watch8 Wi-Fi 40mm is 1.1mm wider, 2.3mm longer, 1.2mm thinner and 3.4g heavier than the Galaxy Watch FE 40mm.
Galaxy Watch FE 40mm
Galaxy Watch8 Wi-Fi 40mm
Galaxy Watch FE 40mm or Galaxy Watch8 Wi-Fi 40mm by wrist size
| Wrist round (mm left each side) | Galaxy Watch FE 40mm | Galaxy Watch8 Wi-Fi 40mm |
|---|---|---|
| 14 cm / 5.5 in | Sweet spot (2.4mm) | Sweet spot (1.2mm) |
| 15 cm / 5.9 in | Balanced (4mm) | Sweet spot (2.8mm) |
| 16 cm / 6.3 in | Balanced (5.6mm) | Balanced (4.5mm) |
| 17 cm / 6.7 in | Balanced (7.2mm) | Balanced (6.1mm) |
| 18 cm / 7.1 in | Understated (8.8mm) | Balanced (7.7mm) |
| 19 cm / 7.5 in | Understated (10.4mm) | Understated (9.3mm) |
| 20 cm / 7.9 in | Understated (12.1mm) | Understated (10.9mm) |
Switch or add watches
Samsung
Galaxy Watch FE 40mm
Samsung
Galaxy Watch8 Wi-Fi 40mm
As an Amazon Associate, WatchFitTool earns from qualifying purchases.
Battery life compared
Furthest apart in Battery life mode, where the Watch8 Wi-Fi 40mm lasts 2.2× as long as the Watch FE 40mm (2 days against 21.6 hours).
Watch FE 40mmWatch8 Wi-Fi 40mm
Battery life
0.9 days2 days
More comparisons
2D Dimension Schematics
- Samsung Galaxy Watch FE 40mm 39.3mm × 40.4mm · 9.8mm thick
- Samsung Galaxy Watch8 Wi-Fi 40mm 40.4mm × 42.7mm · 8.6mm thick
3D preview
Galaxy Watch FE 40mm vs Galaxy Watch8 Wi-Fi 40mm on a wrist
Specifications
The short version
11 key specs| Spec | SamsungGalaxy Watch FE 40mm | SamsungGalaxy Watch8 Wi-Fi 40mm |
|---|---|---|
| Case Width | 39.3mm | 40.4mm |
| Lug-to-Lug | 40.4mm | 42.7mm |
| Thickness | 9.8mm | 8.6mm |
| Weight | 26.6g | 30g |
| Shape | Circular | Circular |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.2 inches | 1.34 inches |
| Battery life | 0.9 days | 2 days |
| Released | 2024 | 2025 |
Where the specifications differ
18 differences| Spec | Samsung Galaxy Watch FE 40mm | Samsung Galaxy Watch8 Wi-Fi 40mm |
|---|---|---|
| Design | ||
| width | 39.3 | 40.4 |
| height | 40.4 | 42.7 |
| volume | 15.56 cm³ | 14.84 cm³ |
| weight | 26.6 g | 30 g |
| thickness | 9.8 | 8.6 |
| resolution | 396 x 396 px | 438 x 438 px |
| screen size | 1.2 inches | 1.34 inches |
| pixel density | 330 ppi | 327 ppi |
| water resistance | Waterproof | Water resistant |
| Battery | ||
| battery life | 0.9 days | 2 days |
| battery power | 247 mAh | 325 mAh |
| Sensors | ||
| Has a temperature sensor | No | Yes |
| Features | ||
| RAM | 1.5GB | 2GB |
| release date | 2024-06-13 | 2025-07-09 |
| internal storage | 16GB | 32GB |
| Connectivity | ||
| Bluetooth version | 5 | 5.3 |
| has a cellular module | Yes | No |
| App & Software | ||
| Has temperature tracking | No | Yes |
The other 89 specifications both list are identical.
Full Samsung Galaxy Watch FE 40mm specifications →Full Samsung Galaxy Watch8 Wi-Fi 40mm specifications →