Fitbit Alta HR vs. Fitbit Charge 2 vs. Fitbit Charge 6 vs. Garmin 645 Music vs. Garmin Fenix 3 vs. Garmin Vivoactive 5 vs. TicWatch Pro 3

	Fitbit Alta HR Check Amazon	Fitbit Charge 2 Check Amazon	Fitbit Charge 6 Check Amazon	Garmin 645 Music Check Amazon	Garmin Fenix 3 Check Amazon	Garmin Vivoactive 5 Check Amazon	TicWatch Pro 3 Check Amazon
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Price and Release Date
Suggested Price	$150	$150	$159	$450	$500	$299	$299
Release / Update	2017	2016	2023	2018	2015	2023	2020
Activity & Fitness
Calories
Distance
Heart					$
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	7 days	5 days	Up to 7 days	7 days	50 hours to 6 weeks	Up to 11 days in smartwatch mode, 5 days with Always-on display, 21 days in battery saver mode, up to 21 hours in GPS mode	3 Days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac					n/a
Windows					n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution	128 x 36			240 x 240	218 x 218	390 x 390 pixels	454 x 454
Size	1.4 inches		1.04-inch AMOLED	1.2 inches	1.2 inches	1.2"	1.85 inches
Touch		n/a
Type	OLED	OLED	AMOLED	MIP	Chroma LED	AMOLED	Retina AMOLED
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance			Water-resistant up to 50m	5 ATM	10 ATM (100 Meters)	5 ATM (50 Meters)	IP68
Notifications
Phone
Emails
Texts
Software
Operating System		n/a	Fitbit OS		Built-in	Garmin Watch OS	Wear OS
Apps
Music
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