Garmin Forerunner 570 42mm vs Samsung Galaxy Watch6 Classic Wi-Fi 43mm

Size, specs & wrist fit compared

Garmin Forerunner 570 42mm Part 010-02970-00

Samsung Galaxy Watch6 Classic Wi-Fi 43mm

Which one fits you

Both need much the same wrist: neither overhangs from 15 cm (5.9 in) round, and both are in their sweet spot around 16–18 cm. Wrist size will not decide between these two.

What else differs

Screen: the Samsung Galaxy Watch6 Classic Wi-Fi 43mm has the larger screen, 1.3 in across against 1.2 in on the Garmin Forerunner 570 42mm.
Battery: 10 days for the Garmin Forerunner 570 42mm against 38.4 hours for the Samsung Galaxy Watch6 Classic Wi-Fi 43mm in everyday use.
Only the Samsung Galaxy Watch6 Classic Wi-Fi 43mm has a sapphire lens.

The Garmin Forerunner 570 42mm and Samsung Galaxy Watch6 Classic Wi-Fi 43mm share a near-identical 42.4mm case, so on the wrist the difference is thickness and weight.

2mm thinner, the Samsung Galaxy Watch6 Classic Wi-Fi 43mm is the one that slides under a shirt cuff.

The Samsung Galaxy Watch6 Classic Wi-Fi 43mm is 0.1mm wider, 2mm thinner and 10g heavier than the Garmin Forerunner 570 42mm.

Garmin

Forerunner 570 42mm

Samsung

Galaxy Watch6 Classic Wi-Fi 43mm

Case width

42.4mm

42.5mm+0.1mm

Thickness

12.9mm

10.9mm−2mm

Weight

42g

52g+10g

Garmin Forerunner 570 42mm or Samsung Galaxy Watch6 Classic Wi-Fi 43mm by wrist size

Wrist round (mm left each side)	Garmin Forerunner 570 42mm≈49mm lug to lug, est.	Samsung Galaxy Watch6 Classic Wi-Fi 43mm≈49mm lug to lug, est.
14 cm / 5.5 in	Overhangs (1.9mm over)	Overhangs (1.9mm over)
15 cm / 5.9 in	Overhangs (0.3mm over)	Overhangs (0.3mm over)
16 cm / 6.3 in	Sweet spot (1.3mm)	Sweet spot (1.3mm)
17 cm / 6.7 in	Sweet spot (2.9mm)	Sweet spot (2.9mm)
18 cm / 7.1 in	Balanced (4.5mm)	Balanced (4.5mm)
19 cm / 7.5 in	Balanced (6.1mm)	Balanced (6.1mm)
20 cm / 7.9 in	Balanced (7.8mm)	Balanced (7.8mm)