Xiaomi Watch S4 15th Anniversary Edition vs Fastrack Reflex Play comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 15th Anniversary Edition	Fastrack Reflex Play
key specs
Display Size	36mm	33mm
Compatible OS	Android 8.0 or above, iOS 12.0 or above	-
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
general
Brand	Xiaomi	Fastrack
Model	Watch S4 15th Anniversary Edition	Reflex Play
Release date	May 23, 2025	July 1, 2022
Model Name	Xiaomi Watch S4 15th Anniversary Edition	-
Dial Colour	Black	-
Dial Shape	Round	Round
Size	Regular	Regular
Touchscreen	1.43	-
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	Yes
Usage	Regular	-
Ideal For	Unisex	Unisex
Model Number	-	38074AP01
Strap Material	-	Silicone
Water Resistance Depth	-	1
dimensions
Width	47.3	-
Height	47.3	-
Thickness	12	-
Weight (g)	44.50	45.00
product details
Sensor	Heart Rate Monitor, Stress, Sleep	-
Compatible Device	Android and iOS	-
Battery Type	486mAh	-
connectivity features
Bluetooth	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	-
Display Size	36mm	33mm
Display Type	AMOLED	AMOLED
fitness and watch functions
Step Count	Yes	-
Calorie Count	Yes	-
Heart Rate Monitor	Yes	Yes
Alarm Clock	Yes	-
Date & Time Display	Yes	-
Language	English	-

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