Xiaomi Watch S4 41mm vs Xiaomi Smart Band 9 Pro comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 41mm	Xiaomi Smart Band 9 Pro
key specs
Display Size	41mm	-
Strap Material	Milanese	-
Dial Shape	Round	Rectangle
Ideal For	Unisex	Unisex
Display Type	-	AMOLED
general
Brand	Xiaomi	Xiaomi
Model	Watch S4 41mm	Smart Band 9 Pro
Release date	September 24, 2025	October 29, 2024
Dial Shape	Round	Rectangle
Strap Material	Milanese	-
Size	Regular	Regular
Touchscreen	1.32	1.74
Water Resistant	5ATM	5 ATM
Water Resistance Depth	50 m	-
Usage	Regular	Regular
Dial Material	Stainless steel	-
Ideal For	Unisex	Unisex
dimensions
Width	41.2	43.27
Height	41.2	32.49
Diameter	9.5	-
Weight (g)	32.00	24.50
Thickness	-	10.2
product details
Sensor	Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor	heart rate, SpO2, steps
Battery Type	320mAh	350
Battery Life	8 days	21 days
connectivity features
Call Function	Yes	-
Bluetooth	Yes	Yes
Bluetooth Version	5.4	5.4
GPS	Yes	-
Other Connectivity Features	-	GNSS, NFC
platform and storage features
Operating System	Xiaomi HyperOS 3	HyperOS 2
camera and display features
Display Resolution	466 × 466	336 x 480
Display Size	41mm	-
Other Display Features	1500nits, 60Hz refresh rate	-
Display Type	-	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
audio and video features
Speaker	Yes	-
Microphone	Yes	-

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