Amazfit GTR vs. Amazfit GTS vs. Apple Apple Watch Series 10 vs. Apple Watch 9 vs. Bellabeat Time vs. Fitbit Inspire 2 vs. Garmin Forerunner 45 vs. Polar Loop 2

	Amazfit GTR Check Amazon	Amazfit GTS Check Amazon	Apple Apple Watch Series 10 Check Amazon	Apple Watch 9 Check Amazon	Bellabeat Time Check Amazon	Fitbit Inspire 2 Check Amazon	Garmin Forerunner 45 Check Amazon	Polar Loop 2 Check Amazon
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Price and Release Date
Suggested Price	$179	$150	$399	$399	$149	$100	$150	$120
Release / Update	2019	2019	2024	2023	2019	2020	2020	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	24 days	14 days	Up to 18 hours normal use	18 hrs	6 Months	10 Days	7 days	8 days (without notifications)
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac								n/a
Windows								n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution	454 x 454	348 x 442	42mm: 374 x 446 pixels; 46mm: 416 x 496 pixels	484x396		141 x 63	126 x 294
Size	1.39 inches	1.65 inches	42mm or 46mm	41mm and 45mm	0.4 inches	1.47 inches	1.1 inches
Touch
Type	AMOLED	AMOLED	Always-On Retina LTPO OLED	OLED	Analog	OLED	AMOLED	LED
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	5 ATM	5 ATM	Water resistant up to 50 meters	5 ATM (50 Meters)	3 ATM	5 ATM	5 ATM	2 ATM
Notifications
Phone
Emails
Texts
Software
Operating System	Built-in	Wear OS	watchOS 11	WatchOS 10		Fitbit OS	Built-in	n/a
Apps
Music
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