Xiaomi Watch S4 15th Anniversary Edition vs Suunto 9 comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 15th Anniversary Edition	Suunto 9
key specs
Display Size	36mm	-
Compatible OS	Android 8.0 or above, iOS 12.0 or above	-
Dial Shape	Round	Round
Display Type	AMOLED	-
Ideal For	Unisex	Unisex
general
Brand	Xiaomi	Suunto
Model	Watch S4 15th Anniversary Edition	9
Release date	May 23, 2025	July 28, 2021
Model Name	Xiaomi Watch S4 15th Anniversary Edition	-
Dial Colour	Black	-
Dial Shape	Round	Round
Size	Regular	-
Touchscreen	1.43	Yes
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	-
Usage	Regular	-
Ideal For	Unisex	Unisex
dimensions
Width	47.3	50
Height	47.3	50
Thickness	12	16.5
Weight (g)	44.50	66.90
product details
Sensor	Heart Rate Monitor, Stress, Sleep	-
Compatible Device	Android and iOS	-
Battery Type	486mAh	-
Closure	-	Buckle
Notification	-	Email, Text, Notifications
Battery Life	-	14 days
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.3	-
Wi-Fi	Yes	-
GPS	Yes	-
Other Connectivity Features	NFC, Galileo, Glonass, Beidou, QZSS	-
platform and storage features
Operating System	HyperOS 2	-
Compatible Operating System	Android 8.0 or above, iOS 12.0 or above	-
camera and display features
Display Resolution	466 x 466	320 x 300
Display Size	36mm	-
Display Type	AMOLED	-
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
Calendar	-	Yes
Number of Buttons	-	3

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