WatchFitTool

Garmin Instinct E 40mm vs Samsung Galaxy Watch8 LTE 40mm

Size, specs & wrist fit compared

Garmin Instinct E 40mm Part 010-02932-00
Garmin Instinct E 40mm
Samsung Galaxy Watch8 LTE 40mm
Samsung Galaxy Watch8 LTE 40mm
40.4mm × 42.7mmView specs

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 LTE 40mm's do not; the Samsung Galaxy Watch8 LTE 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 LTE 40mm a bright AMOLED screen.
  • Battery: 14 days for the Garmin Instinct E 40mm against 2 days for the Samsung Galaxy Watch8 LTE 40mm in everyday use.
  • Only the Samsung Galaxy Watch8 LTE 40mm has a sapphire lens.

The Garmin Instinct E 40mm and Samsung Galaxy Watch8 LTE 40mm share a near-identical 40mm case, so on the wrist the difference is thickness and weight.

5mm thinner, the Samsung Galaxy Watch8 LTE 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 LTE 40mm is the thinnest of the 40 smartwatches 40mm across that we hold thickness for.

The Samsung Galaxy Watch8 LTE 40mm is 0.4mm wider, 5mm thinner and 11g lighter than the Garmin Instinct E 40mm.

Garmin

Instinct E 40mm

Samsung

Galaxy Watch8 LTE 40mm

Case width
40mm
40.4mm+0.4mm
Thickness
13.6mm
8.6mm−5mm
Weight
41g
30g−11g

Garmin Instinct E 40mm or Samsung Galaxy Watch8 LTE 40mm by wrist size

Wrist round (mm left each side)Garmin Instinct E 40mm≈46mm lug to lug, est.Samsung Galaxy Watch8 LTE 40mm
14 cm / 5.5 inOverhangs (0.4mm over)Sweet spot (1.2mm)
15 cm / 5.9 inBold (1.2mm)Sweet spot (2.8mm)
16 cm / 6.3 inSweet spot (2.8mm)Balanced (4.5mm)
17 cm / 6.7 inBalanced (4.4mm)Balanced (6.1mm)
18 cm / 7.1 inBalanced (6mm)Balanced (7.7mm)
19 cm / 7.5 inBalanced (7.6mm)Understated (9.3mm)
20 cm / 7.9 inBalanced (9.3mm)Understated (10.9mm)

How the fit model works · Size chart for every wrist

Switch or add watches

Garmin Instinct E 40mm

Garmin

Instinct E 40mm

Samsung Galaxy Watch8 LTE 40mm

Samsung

Galaxy Watch8 LTE 40mm

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Battery life compared

Garmin Instinct E 40mmSamsung Galaxy Watch8 LTE 40mm

  • Battery saver

    35 days
    —
  • Expedition

    17 days
    —
  • Smartwatch

    14 days
    —
  • Battery life

    —
    2 days
  • Max battery GPS

    43 hours
    —
  • GPS only

    21 hours
    —
  • All systems

    14 hours
    —

More comparisons

2D Dimension Schematics

Top view
Side view
  • Garmin Instinct E 40mm 40mm × ≈46mm (est.) · 13.6mm thick
  • Samsung Galaxy Watch8 LTE 40mm 40.4mm × 42.7mm · 8.6mm thick

3D preview

Garmin Instinct E 40mm vs Samsung Galaxy Watch8 LTE 40mm on a wrist

Open 3D try-on

Specifications

The short version

7 key specs
SpecGarminInstinct E 40mmSamsungGalaxy Watch8 LTE 40mm
Case Width40mm40.4mm
Lug-to-Lug40mm42.7mm
Thickness13.6mm8.6mm
Weight41g30g
ShapeCircularCircular
Display typeMonochrome, sunlight-visible, transflective memory-in-pixel (MIP)OLED/AMOLED
Released20252025