Garmin Forerunner 570 47mm vs Samsung Galaxy Watch Ultra

Size, specs & wrist fit compared

Garmin Forerunner 570 47mm Part 010-02971-00

Samsung Galaxy Watch Ultra

Which one fits you

Under 17 cm (6.7 in) round, the Samsung Galaxy Watch Ultra's lugs overhang and the Garmin Forerunner 570 47mm's do not; the Garmin Forerunner 570 47mm fills the wrist at 17.5–19.5 cm, the Samsung Galaxy Watch Ultra at 18–20 cm.

What else differs

Screen: the Samsung Galaxy Watch Ultra has the larger screen, 1.5 in across against 1.4 in on the Garmin Forerunner 570 47mm.
Battery: 11 days for the Garmin Forerunner 570 47mm against 4 days for the Samsung Galaxy Watch Ultra in everyday use.
Only the Samsung Galaxy Watch Ultra has a sapphire lens.

The Garmin Forerunner 570 47mm and Samsung Galaxy Watch Ultra share a near-identical 47mm case, so on the wrist the difference is thickness and weight.

Among the 60 smartwatches 47mm across that we hold thickness for, the Samsung Galaxy Watch Ultra is thinner than 87%, so it wears flatter than its width suggests.

The Samsung Galaxy Watch Ultra is 0.4mm wider, 0.8mm thinner and 10.5g heavier than the Garmin Forerunner 570 47mm.

Garmin

Forerunner 570 47mm

Samsung

Galaxy Watch Ultra

Case width

47mm

47.4mm+0.4mm

Thickness

12.9mm

12.1mm−0.8mm

Weight

50g

60.5g+10.5g

Garmin Forerunner 570 47mm or Samsung Galaxy Watch Ultra by wrist size

Wrist round (mm left each side)	Garmin Forerunner 570 47mm≈54mm lug to lug, est.	Samsung Galaxy Watch Ultra≈54.5mm lug to lug, est.
14 cm / 5.5 in	Overhangs (4.4mm over)	Overhangs (4.7mm over)
15 cm / 5.9 in	Overhangs (2.8mm over)	Overhangs (3.1mm over)
16 cm / 6.3 in	Overhangs (1.2mm over)	Overhangs (1.4mm over)
17 cm / 6.7 in	Bold (0.4mm)	Bold (0.2mm)
18 cm / 7.1 in	Sweet spot (2mm)	Sweet spot (1.8mm)
19 cm / 7.5 in	Sweet spot (3.6mm)	Sweet spot (3.4mm)
20 cm / 7.9 in	Balanced (5.3mm)	Balanced (5mm)