Samsung Galaxy S21 Ultra vs Xiaomi Redmi K40

Samsung Galaxy S21 Ultra vs Xiaomi Redmi K40: The Samsung Galaxy S21 Ultra and Xiaomi Redmi K40 are two highly anticipated smartphones that offer impressive features and performance. In this article, we compare the key differences between these two devices to help you make an informed decision.

Feature	Samsung Galaxy S21 Ultra	Xiaomi Redmi K40
Display Size	6.8 inches	6.67 inches
Display Type	Dynamic AMOLED 2X	Super AMOLED
Resolution	3200 x 1440 pixels	2400 x 1080 pixels
Refresh Rate	120Hz	120Hz
Processor	Exynos 2100 / Qualcomm Snapdragon 888	Qualcomm Snapdragon 870
RAM	12GB / 16GB	6GB / 8GB
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)	48MP wide (f/1.8) 8MP ultra-wide (f/2.2) 5MP macro (f/2.4)
Front Camera	40MP (f/2.2)	20MP (f/2.2)
Video Recording	8K @ 24fps	4K @ 30/60fps
Battery Capacity	5000mAh	4520mAh
Charging	Fast charging, Wireless charging	Fast charging, 33W
Operating System	Android 11, One UI 3.1	Android 11, MIUI 12
5G Support	Yes	Yes
Biometric Authentication	In-screen fingerprint sensor, Face recognition	In-screen fingerprint sensor
Water and Dust Resistance	IP68	No
Expandable Storage	No	No
Weight	227 grams	196 grams