Samsung Galaxy S21 Ultra vs Oppo K3

Samsung Galaxy S21 Ultra vs Oppo K3: Comparing the Samsung Galaxy S21 Ultra and Oppo K3, two powerful smartphones that offer impressive features and performance. Discover the key differences and similarities between these devices to make an informed decision on your next smartphone upgrade.

Feature	Samsung Galaxy S21 Ultra	Oppo K3
Display	6.8-inch Dynamic AMOLED 2X	6.5-inch Super AMOLED
Resolution	3200 x 1440 pixels	2340 x 1080 pixels
Refresh Rate	120Hz	60Hz
Processor	Exynos 2100 / Qualcomm Snapdragon 888	Qualcomm Snapdragon 710
RAM	12GB / 16GB	6GB / 8GB
Storage	128GB / 256GB / 512GB	64GB / 128GB
Main Camera	108 MP wide (f/1.8) 12 MP ultra-wide (f/2.2) 10 MP periscope telephoto (f/4.9) 10 MP telephoto (f/2.4)	16 MP wide (f/1.7) 2 MP depth sensor (f/2.4)
Front Camera	40 MP (f/2.2)	16 MP (f/2.0)
Video Recording	8K @ 24fps 4K @ 30/60fps	4K @ 30fps 1080p @ 30/60/120fps
Battery Capacity	5000 mAh	3765 mAh
Charging	25W Fast Charging	20W VOOC Flash Charge 3.0
Wireless Charging	Yes	No
Operating System	Android 11 with One UI 3.1	Android 9 with ColorOS 6
Biometric Authentication	Fingerprint (under display), Face Recognition	Fingerprint (rear-mounted)
5G Support	Yes	No
SIM Card	Dual SIM (Nano-SIM and eSIM)	Dual SIM (Nano-SIM, dual stand-by)
Headphone Jack	No	Yes
Water and Dust Resistance	IP68	No