Garmin Instinct E 40mm vs Samsung Galaxy Watch8 Wi-Fi 40mm
Size, specs & wrist fit compared
Which one fits you
Under 14.5 cm (5.7 in) round, the Garmin Instinct E 40mm's lugs overhang and the Samsung Galaxy Watch8 Wi-Fi 40mm's do not; the Samsung Galaxy Watch8 Wi-Fi 40mm fills the wrist at 14–15.5 cm, the Garmin Instinct E 40mm at 15–17 cm.
What else differs
- Screen: the Garmin Instinct E 40mm uses a memory-in-pixel screen that is easy to read in sunlight and sips battery, the Samsung Galaxy Watch8 Wi-Fi 40mm a bright AMOLED screen.
- Battery: 14 days for the Garmin Instinct E 40mm against 2 days for the Samsung Galaxy Watch8 Wi-Fi 40mm in everyday use.
- Only the Samsung Galaxy Watch8 Wi-Fi 40mm has a sapphire lens.
The Garmin Instinct E 40mm and Samsung Galaxy Watch8 Wi-Fi 40mm share a near-identical 40mm case, so on the wrist the difference is thickness and weight.
5mm thinner, the Samsung Galaxy Watch8 Wi-Fi 40mm is the one that slides under a shirt cuff.
Among the 40 smartwatches 40mm across that we hold thickness for, the Garmin Instinct E 40mm is thicker than 98%, so it sits higher on the wrist than most of its size.
The Samsung Galaxy Watch8 Wi-Fi 40mm is the thinnest of the 40 smartwatches 40mm across that we hold thickness for.
The Samsung Galaxy Watch8 Wi-Fi 40mm is 0.4mm wider, 5mm thinner and 11g lighter than the Garmin Instinct E 40mm.
Garmin
Instinct E 40mm
Samsung
Galaxy Watch8 Wi-Fi 40mm
Garmin Instinct E 40mm or Samsung Galaxy Watch8 Wi-Fi 40mm by wrist size
| Wrist round (mm left each side) | Garmin Instinct E 40mm≈46mm lug to lug, est. | Samsung Galaxy Watch8 Wi-Fi 40mm |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (0.4mm over) | Sweet spot (1.2mm) |
| 15 cm / 5.9 in | Bold (1.2mm) | Sweet spot (2.8mm) |
| 16 cm / 6.3 in | Sweet spot (2.8mm) | Balanced (4.5mm) |
| 17 cm / 6.7 in | Balanced (4.4mm) | Balanced (6.1mm) |
| 18 cm / 7.1 in | Balanced (6mm) | Balanced (7.7mm) |
| 19 cm / 7.5 in | Balanced (7.6mm) | Understated (9.3mm) |
| 20 cm / 7.9 in | Balanced (9.3mm) | Understated (10.9mm) |
Switch or add watches
Garmin
Instinct E 40mm
Samsung
Galaxy Watch8 Wi-Fi 40mm
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Battery life compared
Garmin Instinct E 40mmSamsung Galaxy Watch8 Wi-Fi 40mm
Battery saver
35 days—Expedition
17 days—Smartwatch
14 days—Battery life
—2 daysMax battery GPS
43 hours—GPS only
21 hours—All systems
14 hours—
More comparisons
2D Dimension Schematics
- Garmin Instinct E 40mm 40mm × ≈46mm (est.) · 13.6mm thick
- Samsung Galaxy Watch8 Wi-Fi 40mm 40.4mm × 42.7mm · 8.6mm thick
3D preview
Garmin Instinct E 40mm vs Samsung Galaxy Watch8 Wi-Fi 40mm on a wrist
Specifications
The short version
7 key specs| Spec | GarminInstinct E 40mm | SamsungGalaxy Watch8 Wi-Fi 40mm |
|---|---|---|
| Case Width | 40mm | 40.4mm |
| Lug-to-Lug | 40mm | 42.7mm |
| Thickness | 13.6mm | 8.6mm |
| Weight | 41g | 30g |
| Shape | Circular | Circular |
| Display type | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) | OLED/AMOLED |
| Released | 2025 | 2025 |