Samsung Galaxy Watch FE 40mm vs Galaxy Watch8 LTE 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 LTE 40mm at 14–15.5 cm.
What else differs
- Screen: the Galaxy Watch8 LTE 40mm has the larger screen, 1.34 in across against 1.2 in on the Galaxy Watch FE 40mm.
- Battery: the Galaxy Watch8 LTE 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.
The Galaxy Watch8 LTE 40mm is the thinnest of the 40 smartwatches 40mm across that we hold thickness for.
The Galaxy Watch8 LTE 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 LTE 40mm
Galaxy Watch FE 40mm or Galaxy Watch8 LTE 40mm by wrist size
| Wrist round (mm left each side) | Galaxy Watch FE 40mm | Galaxy Watch8 LTE 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 LTE 40mm
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Battery life compared
Furthest apart in Battery life mode, where the Watch8 LTE 40mm lasts 2.2× as long as the Watch FE 40mm (2 days against 21.6 hours).
Watch FE 40mmWatch8 LTE 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 LTE 40mm 40.4mm × 42.7mm · 8.6mm thick
3D preview
Galaxy Watch FE 40mm vs Galaxy Watch8 LTE 40mm on a wrist
Specifications
The short version
11 key specs| Spec | SamsungGalaxy Watch FE 40mm | SamsungGalaxy Watch8 LTE 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
17 differences| Spec | Samsung Galaxy Watch FE 40mm | Samsung Galaxy Watch8 LTE 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 |
| App & Software | ||
| Has temperature tracking | No | Yes |
The other 90 specifications both list are identical.
Full Samsung Galaxy Watch FE 40mm specifications →Full Samsung Galaxy Watch8 LTE 40mm specifications →

