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Samsung Galaxy Watch 4 Wi-Fi 40mm vs Galaxy Watch 4 Wi-Fi 44mm

Size, specs & wrist fit compared

Samsung Galaxy Watch 4 Wi-Fi 40mm
Samsung Galaxy Watch 4 Wi-Fi 40mm
40.4mm × 39.3mmView specs
Samsung Galaxy Watch 4 Wi-Fi 44mm
Samsung Galaxy Watch 4 Wi-Fi 44mm
44.4mm × 43.3mmView specs

Which one fits you

Both keep their lugs inside any wrist from 13.5 cm (5.3 in) round; the 40mm fills the wrist at 13–14.5 cm, the 44mm at 14–16 cm.

What else differs

  • Screen: the 44mm has the larger screen, 1.4 in across against 1.2 in on the 40mm.
  • Battery: about 2 days each in everyday use as rated, though the 44mm carries a 361 mAh cell against 247 mAh in the 40mm.

Among the 40 smartwatches 40mm across that we hold thickness for, the Galaxy Watch 4 Wi-Fi 40mm is thinner than 87%, so it wears flatter than its width suggests.

The Galaxy Watch 4 Wi-Fi 44mm is 4mm wider, 4mm longer and 4.4g heavier than the Galaxy Watch 4 Wi-Fi 40mm.

Galaxy Watch 4 Wi-Fi 40mm

Galaxy Watch 4 Wi-Fi 44mm

Case width
40.4mm
44.4mm+4mm
Lug-to-lug
39.3mm
43.3mm+4mm
Thickness
9.8mm
9.8mmsame
Weight
25.9g
30.3g+4.4g

Galaxy Watch 4 Wi-Fi: 40mm or 44mm by wrist size

Wrist round (mm left each side)40mm44mm
14 cm / 5.5 inSweet spot (2.9mm)Bold (0.9mm)
15 cm / 5.9 inBalanced (4.5mm)Sweet spot (2.5mm)
16 cm / 6.3 inBalanced (6.2mm)Balanced (4.2mm)
17 cm / 6.7 inBalanced (7.8mm)Balanced (5.8mm)
18 cm / 7.1 inUnderstated (9.4mm)Balanced (7.4mm)
19 cm / 7.5 inUnderstated (11mm)Balanced (9mm)
20 cm / 7.9 inUnderstated (12.6mm)Understated (10.6mm)

How the fit model works · Size chart for every wrist

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Samsung Galaxy Watch 4 Wi-Fi 40mm

Samsung

Galaxy Watch 4 Wi-Fi 40mm

Samsung Galaxy Watch 4 Wi-Fi 44mm

Samsung

Galaxy Watch 4 Wi-Fi 44mm

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Battery life compared

40mm44mm

  • Battery life

    2 days
    2 days

2D Dimension Schematics

Top view
Side view
  • Samsung Galaxy Watch 4 Wi-Fi 40mm 40.4mm × 39.3mm · 9.8mm thick
  • Samsung Galaxy Watch 4 Wi-Fi 44mm 44.4mm × 43.3mm · 9.8mm thick

3D preview

Galaxy Watch 4 Wi-Fi 40mm vs Galaxy Watch 4 Wi-Fi 44mm on a wrist

Open 3D try-on

Specifications

The short version

11 key specs
SpecSamsungGalaxy Watch 4 Wi-Fi 40mmSamsungGalaxy Watch 4 Wi-Fi 44mm
Case Width40.4mm44.4mm
Lug-to-Lug39.3mm43.3mm
Thickness9.8mm9.8mm
Weight25.9g30.3g
ShapeCircularCircular
Water Resistance5 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.2 inches1.4 inches
Battery life2 days2 days
Released20212021

Where the specifications differ

7 differences
SpecSamsung Galaxy Watch 4 Wi-Fi 40mmSamsung Galaxy Watch 4 Wi-Fi 44mm
Design
width40.444.4
height39.343.3
volume15.56 cm³18.84 cm³
weight25.9 g30.3 g
resolution396 x 396 px450 x 450 px
screen size1.2 inches1.4 inches
Battery
battery power247 mAh361 mAh

The other 108 specifications both list are identical.

Full Samsung Galaxy Watch 4 Wi-Fi 40mm specifications →Full Samsung Galaxy Watch 4 Wi-Fi 44mm specifications →