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Samsung Galaxy Watch Ultra 2 vs Xiaomi Watch S1 Active

Samsung Galaxy Watch Ultra 2 vs Xiaomi Watch S1 Active comparison

Show Only Differences Highlight Differences	Samsung Galaxy Watch Ultra 2	Xiaomi Watch S1 Active
ratings
Overall NDTV Rating	Read Review	-
Design and comfort Rating		-
Tracking accuracy Rating		-
Companion app Rating		-
Software and ecosystem Rating		-
Battery life Rating		-
key specs
Strap Colour	Marine, PeakForm, Trail, Sports, Misty, and Fabric	Moon White, Space Black, Ocean Blue, Yellow, Green, Orange
Display Size	48mm	36mm
Compatible OS	Android	-
Dial Shape	Square	Round
Display Type	Super AMOLED	AMOLED
Ideal For	Unisex	-
general
Brand	Samsung	Xiaomi
Model	Galaxy Watch Ultra 2	Watch S1 Active
Release date	July 22, 2026	March 15, 2022
Model Name	Galaxy Watch Ultra 2	-
Dial Colour	Titanium	Black
Dial Shape	Square	Round
Strap Colour	Marine, PeakForm, Trail, Sports, Misty, and Fabric	Moon White, Space Black, Ocean Blue, Yellow, Green, Orange
Size	Regular	Regular
Touchscreen	1.52-inch AMOLED	Yes
Water Resistant	IP69K + 10ATM + EN13319	Yes
Usage	Regular	-
Dial Material	Titanium	-
Ideal For	Unisex	-
Interchangeable Strap	-	Yes
Water Resistance Depth	-	5ATM
dimensions
Width	47.4	46.5
Height	47.1	47.3
Thickness	10.7	11
Diameter	47mm	36
Weight (g)	61.50	36.30
product details
Sensor	Bio-signal sensor, an Electrical Heart sensor, a temperature sensor, an accelerometer, a barometer, a gyroscope, a geomagnetic sensor, and a light sensor	heart rate sensor, SpO2 sensor, sleep sensor, stress sensor, respiratory sensor
Compatible Device	Android 13 or newer versions	Android, iOS
Battery Type	800mAh	-
Rechargeable Battery	Yes	Yes
Notification	-	Yes
Battery Life	-	12 days
connectivity features
Call Function	Yes	-
Bluetooth	Yes	Bluetooth
Bluetooth Version	6.0	v5.2
Wi-Fi	Yes	-
GPS	Yes	Yes
Messaging Support	Yes	Yes
Call Features	Yes	-
Email Support	-	Yes
platform and storage features
Operating System	OneUI 9 Watch	-
Compatible Operating System	Android	-
RAM	2GB	-
Processor Name	Snapdragon Wear Elite	-
Internal Memory	64GB	-
camera and display features
Display Resolution	498x498	-
Display Size	48mm	36mm
Display Type	Super AMOLED	AMOLED
Other Display Features	5,000 nits peak brightness level	-
Backlight Display	-	Yes
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Compass	Yes	-
Calendar	Yes	-
Alarm Clock	Yes	Yes
Chronograph	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	English
Number of Buttons	3	-
Other Fitness Features	-	117 sports modes
Other Watch Functions	-	200+ watch faces
audio and video features
Speaker	-	Yes

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