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ECG Auto Workout Tracking Extension of your Phone Sleek and Lightweight

Galaxy Watch4 Comparison

Galaxy Watch4 BT 44mm

Galaxy Watch4 LTE

Galaxy Watch4 Classic LTE

Galaxy Watch4 Classic BT

Galaxy Watch3 BT

Galaxy WatchActive2

OS

Wear OS powered by Samsung
Wear OS powered by Samsung
Wear OS powered by Samsung
Wear OS powered by Samsung
Tizen OS 5.5
Tizen OS 4.0

Size

44.4mm x 43.3mm x 9.8mm
44.4mm x 43.3mm x 9.8mm
45.5mm x 45.5mm x 11mm
45.5mm x 45.5mm x 11mm
45mm x 46.2mm x 11.1mm
40mm x 40mm x 10.9mm

Memory

1.5GB + 16GB
1.5GB + 16GB
1.5GB + 16GB
1.5GB + 16GB
1GB + 8GB
0.75GB + 4GB

Display

1.36" (450 x 450px)
1.36" (450 x 450px)
1.36" (450 x 450px)
1.36" (450 x 450px)
1.4" (360 x 360px)
1.2" (360 x 360px)

Battery

361mAh
361mAh
361mAh
361mAh
340mAh
247mAh

Durability

5ATM / IP68 / MIL-STD-810G
5ATM / IP68 / MIL-STD-810G
5ATM / IP68 / MIL-STD-8

	Galaxy Watch4 BT 44mm	Galaxy Watch4 LTE	Galaxy Watch4 Classic LTE	Galaxy Watch4 Classic BT	Galaxy Watch3 BT	Galaxy WatchActive2
OS	Wear OS powered by Samsung	Wear OS powered by Samsung	Wear OS powered by Samsung	Wear OS powered by Samsung	Tizen OS 5.5	Tizen OS 4.0
Size	44.4mm x 43.3mm x 9.8mm	44.4mm x 43.3mm x 9.8mm	45.5mm x 45.5mm x 11mm	45.5mm x 45.5mm x 11mm	45mm x 46.2mm x 11.1mm	40mm x 40mm x 10.9mm
Memory	1.5GB + 16GB	1.5GB + 16GB	1.5GB + 16GB	1.5GB + 16GB	1GB + 8GB	0.75GB + 4GB
Display	1.36" (450 x 450px)	1.36" (450 x 450px)	1.36" (450 x 450px)	1.36" (450 x 450px)	1.4" (360 x 360px)	1.2" (360 x 360px)
Battery	361mAh	361mAh	361mAh	361mAh	340mAh	247mAh
			Durability	5ATM / IP68 / MIL-STD-810G	5ATM / IP68 / MIL-STD-810G	5ATM / IP68 / MIL-STD-8

Samsung Galaxy Watch 4 44mm Smart Watch Black