Xiaomi Smart Band 9 Pro vs Xiaomi Watch S4 comparison

Show Only Differences Highlight Differences	Xiaomi Smart Band 9 Pro	Xiaomi Watch S4
key specs
Dial Shape	Rectangle	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
general
Brand	Xiaomi	Xiaomi
Model	Smart Band 9 Pro	Watch S4
Release date	October 29, 2024	October 29, 2024
Dial Shape	Rectangle	Round
Size	Regular	Regular
Touchscreen	1.74	1.43
Water Resistant	5 ATM	5 ATM
Usage	Regular	Regular
Ideal For	Unisex	Unisex
Interchangeable Strap	-	Yes
dimensions
Width	43.27	47.3
Height	32.49	47.3
Thickness	10.2	12
Weight (g)	24.50	44.50
product details
Sensor	heart rate, SpO2, steps	heart rate, SpO2, steps, sleep tracker
Battery Type	350	486mAh
Battery Life	21 days	15
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.4	5.2
Other Connectivity Features	GNSS, NFC	NFC, Galileo, Glonass, Beidou, QZSS
Wi-Fi	-	Yes
GPS	-	Yes
platform and storage features
Operating System	HyperOS 2	HyperOS 2
camera and display features
Display Resolution	336 x 480	466 x 466
Display Type	AMOLED	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Calendar	Yes	-
Alarm Clock	Yes	-
Date & Time Display	Yes	Yes

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