Apple Apple Watch Ultra 2 (II) vs. Fitbit Charge 6 vs. Garmin Vivoactive 5 vs. Nokia (Withings) Pulse Ox vs. Polar A370 vs. Polar Loop 2 vs. Sony SmartBand 2

	Apple Apple Watch Ultra 2 (II) Check Amazon	Fitbit Charge 6 Check Amazon	Garmin Vivoactive 5 Check Amazon	Nokia (Withings) Pulse Ox Check Amazon	Polar A370 Check Amazon	Polar Loop 2 Check Amazon	Sony SmartBand 2 Check Amazon
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Price and Release Date
Suggested Price	$799	$159	$299	$120	$179.95	$120	$130
Release / Update	2023	2023	2023	2014	2017	2015	2015
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	2 weeks	Up to 3 days	8 days (without notifications)	2 days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac				n/a		n/a	n/a
Windows				n/a		n/a	n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color				blue			n/a
Resolution	502 x 410 pixels		390 x 390 pixels	128 x 32	160 x 80		n/a
Size	49mm	1.04-inch AMOLED	1.2"		1.18 inches		n/a
Touch				swipe			n/a
Type	Always-On Retina LTPO OLED	AMOLED	AMOLED	OLED	TFT LCD	LED	n/a
Functions
Audio Speaker
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)		WR30	2 ATM	IP58
Notifications
Phone
Emails
Texts
Software
Operating System	WatchOS 10	Fitbit OS	Garmin Watch OS	n/a		n/a	n/a
Apps
Music
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