Samsung Galaxy S21 Ultra vs Umidigi A3x

Samsung Galaxy S21 Ultra vs Umidigi A3x: Comparing the Samsung Galaxy S21 Ultra and Umidigi A3x, we delve into the features, specifications, and performance of these two smartphones. Discover the differences and similarities between these devices to help you make an informed decision about which one suits your needs best.

Feature	Samsung Galaxy S21 Ultra	Umidigi A3x
Display	6.8-inch Dynamic AMOLED 2X	5.7-inch IPS LCD
Display Resolution	3200 x 1440 pixels	1512 x 720 pixels
Processor	Exynos 2100 / Qualcomm Snapdragon 888	Mediatek MT6761
RAM	12/16 GB	3 GB
Storage	128/256/512 GB	32 GB
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/2.0)
Front Camera	40 MP wide (f/2.2)	5 MP wide (f/2.2)
Video Recording	8K @ 24fps, 4K @ 30/60fps	1080p @ 30fps
Battery Capacity	5000 mAh	3300 mAh
Operating System	Android 11	Android 10
Water Resistance	IP68	N/A
Wireless Charging	Yes	No
Fast Charging	Yes (25W)	Yes (10W)
Biometric Authentication	Fingerprint (under display), Face Recognition	Fingerprint (rear-mounted)
Connectivity	5G, 4G LTE, Wi-Fi 6, Bluetooth 5.2	4G LTE, Wi-Fi 802.11 b/g/n, Bluetooth 4.2
SIM Card	Dual SIM (Nano-SIM and eSIM)	Dual SIM (Nano-SIM)
MicroSD Support	No	Yes (up to 256 GB)