Apple Apple Watch Ultra 2 (II) vs. Fitbit Charge 6 vs. Garmin Vivoactive 5 vs. Jaybird Reign vs. Nokia (Withings) Activite Sapphire vs. Polar M400 vs. Polar M600

	Apple Apple Watch Ultra 2 (II) Check Amazon	Fitbit Charge 6 Check Amazon	Garmin Vivoactive 5 Check Amazon	Jaybird Reign Check Amazon	Nokia (Withings) Activite Sapphire Check Amazon	Polar M400 Check Amazon	Polar M600 Check Amazon
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Price and Release Date
Suggested Price	$799	$159	$299	$150	$450	$200	$330
Release / Update	2023	2023	2023	2015	2014	2014	2016
Activity & Fitness
Calories
Distance
Heart	Third-generation optical heart sensor
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	Up to 36 hours normal use, Up to 72 hours in Low Power Mode	Up to 7 days	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	5 days	8 months	8 hours	2 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	502 x 410 pixels		390 x 390 pixels	n/a	n/a	128x128	240 x 240
Size	49mm	1.04-inch AMOLED	1.2"	n/a	1.3 inches		1.3 inches
Touch				n/a
Type	Always-On Retina LTPO OLED	AMOLED	AMOLED	LED	Analog	LCD	TFT
Functions
Audio Speaker						Alerts only	Alerts only
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	Water resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H	Water-resistant up to 50m	5 ATM (50 Meters)		5 ATM	3 ATM	IPX8
Notifications
Phone
Emails
Texts
Software
Operating System	WatchOS 10	Fitbit OS	Garmin Watch OS	n/a	n/a		Android Wear
Apps
Music
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