Amazfit GTR vs. Fitbit Charge vs. Fitbit Flex vs. Fitbit Ionic vs. Huawei Watch 2 vs. Polar A370 vs. Samsung Galaxy Watch 6 - Instant Comparison

Compare to find your perfect smartwatch! Compare Smartwatches, Hybrid Watches, Sports Watches and Fitness trackers.

Amazfit GTR

Fitbit Charge

Fitbit Flex

Fitbit Ionic

Huawei Watch 2

Polar A370

Samsung Galaxy Watch 6

	Amazfit GTR Check Amazon	Fitbit Charge Check Amazon	Fitbit Flex Check Amazon	Fitbit Ionic Check Amazon	Huawei Watch 2 Check Amazon	Polar A370 Check Amazon	Samsung Galaxy Watch 6 Check Amazon
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Price and Release Date
Suggested Price	$179	$130	$100	$299	$350	$179.95	$299
Release / Update	2019	2014	2013	2017	2017	2017	2023
Activity & Fitness
Calories
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	24 days	7–10 days	5 days	4+ days	48 hours	Up to 3 days	Up to 40 hours
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac
Windows
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution	454 x 454	n/a	n/a	348x250	480 x 480	160 x 80	480 x 480 pixels
Size	1.39 inches		n/a	1.42	1.38 inches	1.18 inches	1.5 inch
Touch		n/a	n/a
Type	AMOLED	OLED	LED	OLED	P-OLED	TFT LCD	Super AMOLED
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	5 ATM	1 ATM	1 ATM	50m	IP68	WR30	IP68
Notifications
Phone
Emails
Texts
Software
Operating System	Built-in	n/a	n/a	Fitbit OS	Android Wear 2		Wear OS 4
Apps
Music
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