Apple Apple Watch Ultra 2 (II) vs. Fitbit Alta vs. Garmin Garmin Vivofit Jr 3 vs. Garmin Vivoactive 3 vs. Polar Loop vs. Sony SmartBand 2 vs. Xiaomi Mi Band

	Apple Apple Watch Ultra 2 (II) Check Amazon	Fitbit Alta Check Amazon	Garmin Garmin Vivofit Jr 3 Check Amazon	Garmin Vivoactive 3 Check Amazon	Polar Loop Check Amazon	Sony SmartBand 2 Check Amazon	Xiaomi Mi Band Check Amazon
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Price and Release Date
Suggested Price	$799	$130	$90	$299.99	$100	$130	$15
Release / Update	2023	2016	2020	2017	2013	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	5 days	1 year	7 days	5 days	2 days	30 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						n/a	n/a
Resolution	502 x 410 pixels	128 x 36	112x112	240 x 240		n/a	n/a
Size	49mm	1.4 inches	0.79 inches	1.2 inches		n/a	n/a
Touch						n/a	n/a
Type	Always-On Retina LTPO OLED	OLED	MIP	MIP	LED	n/a	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		5 ATM (50 Meters)	5 ATM	2 ATM	IP58	IP67
Notifications
Phone
Emails
Texts
Software
Operating System	WatchOS 10				n/a	n/a	n/a
Apps
Music
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