Samsung Galaxy S21 Ultra vs O Ultra

Samsung Galaxy S21 Ultra vs O Ultra: Comparing the Samsung Galaxy S21 Ultra and the Galaxy S21 Ultra O, two flagship smartphones that offer cutting-edge features and impressive performance. Discover their similarities and differences to make an informed decision before purchasing your next device.

Feature	Samsung Galaxy S21 Ultra	O Ultra
Display	6.8-inch Dynamic AMOLED 2X	6.7-inch Super AMOLED
Resolution	3200 x 1440 pixels	3200 x 1440 pixels
Refresh Rate	120Hz	90Hz
Processor	Exynos 2100 / Qualcomm Snapdragon 888	Exynos 2100 / Qualcomm Snapdragon 888
RAM	12GB / 16GB	12GB / 16GB
Storage	128GB / 256GB / 512GB	128GB / 256GB / 512GB
Main Camera	108MP wide (f/1.8) 12MP ultra-wide (f/2.2) 10MP periscope telephoto (f/4.9) 10MP telephoto (f/2.4)	108MP wide (f/1.8) 12MP ultra-wide (f/2.2) 10MP periscope telephoto (f/4.9) 10MP telephoto (f/2.4)
Front Camera	40MP (f/2.2)	10MP (f/2.2)
Video Recording	8K @ 24fps	8K @ 24fps
Battery Capacity	5000mAh	4500mAh
Charging	Fast charging, Wireless charging, Reverse wireless charging	Fast charging, Wireless charging, Reverse wireless charging
Operating System	Android 11, One UI 3.1	Android 11, One UI 3.1
5G Support	Yes	Yes
Water and Dust Resistance	IP68	IP68
Biometric Authentication	In-screen fingerprint sensor, Face recognition	In-screen fingerprint sensor, Face recognition
Dimensions	165.1 x 75.6 x 8.9 mm	164.8 x 77.2 x 8.1 mm
Weight	229 grams	229 grams
Colors	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown