Xiaomi Smart Band 9 Pro vs Amazfit GTS 4 comparison

Show Only Differences Highlight Differences	Xiaomi Smart Band 9 Pro	Amazfit GTS 4
key specs
Dial Shape	Rectangle	Rectangle
Display Type	AMOLED	-
Ideal For	Unisex	-
general
Brand	Xiaomi	Amazfit
Model	Smart Band 9 Pro	GTS 4
Release date	October 29, 2024	September 1, 2022
Dial Shape	Rectangle	Rectangle
Size	Regular	Regular
Touchscreen	1.74	Yes
Water Resistant	5 ATM	5ATM
Usage	Regular	-
Ideal For	Unisex	-
dimensions
Width	43.27	42.7mm
Height	32.49	36.5mm
Thickness	10.2	9.9mm
Weight (g)	24.50	27.00
product details
Sensor	heart rate, SpO2, steps	BioTracker 4.0 PPG, Acceleration sensor, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor
Battery Type	350	-
Battery Life	21 days	8 days
Charge Time	-	2 hours
Charger Type	-	Magnetic Charger
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.4	v5.0
Other Connectivity Features	GNSS, NFC	-
Call Function	-	Yes
Wi-Fi	-	Yes
GPS	-	Yes
Third Party App Support	-	Yes
Call Features	-	Make Calls, Reject Calls
platform and storage features
Operating System	HyperOS 2	Zepp OS 2.0
camera and display features
Display Resolution	336 x 480	-
Display Type	AMOLED	-
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Calendar	Yes	-
Alarm Clock	Yes	-
Date & Time Display	Yes	-
Other Fitness Features	-	Over 150 Sports Modes, Automatic Recognition

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