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
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