OPPO Watch S2 vs Samsung Galaxy Watch Ultra 2 comparison

Show Only Differences Highlight Differences	OPPO Watch S2	Samsung Galaxy Watch Ultra 2
key specs
Strap Colour	Vibrant Orange, Misty Powder, and Mountain Shadow Grey	Marine, PeakForm, Trail, Sports, Misty, and Fabric
Display Size	41mm	48mm
Compatible OS	Android and iOS	Android
Strap Material	Rubber	-
Dial Shape	Round	Square
Display Type	AMOLED	Super AMOLED
Ideal For	Unisex	Unisex
general
Brand	OPPO	Samsung
Model	Watch S2	Galaxy Watch Ultra 2
Release date	September 22, 2026	July 22, 2026
Model Name	Watch S2	Galaxy Watch Ultra 2
Dial Colour	Silver	Titanium
Dial Shape	Round	Square
Strap Colour	Vibrant Orange, Misty Powder, and Mountain Shadow Grey	Marine, PeakForm, Trail, Sports, Misty, and Fabric
Strap Material	Rubber	-
Size	Large	Regular
Touchscreen	1.46	1.52-inch AMOLED
Interchangeable Strap	Yes	-
Water Resistant	5ATM + IP69 + IP69K	IP69K + 10ATM + EN13319
Dial Material	Stainless Steel	Titanium
Ideal For	Unisex	Unisex
Usage	-	Regular
dimensions
Width	45mm	47.4
Height	45mm	47.1
Thickness	8.9mm	10.7
Weight (g)	34.40	61.50
Diameter	-	47mm
product details
Sensor	accelerometer, a gyroscope, a geomagnetic sensor, a barometric pressure sensor, and an ambient light sensor	Bio-signal sensor, an Electrical Heart sensor, a temperature sensor, an accelerometer, a barometer, a gyroscope, a geomagnetic sensor, and a light sensor
Compatible Device	Android 10 or newer versions and iOS 14 or later versions	Android 13 or newer versions
Battery Type	339mAh	800mAh
Battery Life	up to 10 days	-
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	5.4	6.0
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Other Connectivity Features	NFC	-
Messaging Support	-	Yes
Call Features	-	Yes
platform and storage features
Operating System	ColorOS Watch 17	OneUI 9 Watch
Compatible Operating System	Android and iOS	Android
RAM	-	2GB
Processor Name	-	Snapdragon Wear Elite
Internal Memory	-	64GB
camera and display features
Display Resolution	464 x 464	498x498
Display Size	41mm	48mm
Display Type	AMOLED	Super AMOLED
Other Display Features	-	5,000 nits peak brightness level
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Number of Buttons	1	3
Other Fitness Features	FatMax Mode, Fall detection, 60-Second Health Check functionality, heart rate monitoring, blood-oxygen tracking, sleep quality assessment, and physical and mental state assessment	-
Chronograph	-	Yes
Language	-	English
ratings
Overall NDTV Rating	-	Read Review
Design and comfort Rating	-
Tracking accuracy Rating	-
Companion app Rating	-
Software and ecosystem Rating	-
Battery life Rating	-

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