Samsung Galaxy S21 Ultra vs Samsung Galaxy S6 Active

Samsung Galaxy S21 Ultra vs Samsung Galaxy S6 Active: The Samsung Galaxy S21 Ultra and Samsung Galaxy S6 Active are two flagship smartphones from Samsung, but they cater to different needs. In this article, we compare the key features and specifications of these two devices to help you make an informed decision.

Feature	Samsung Galaxy S21 Ultra	Samsung Galaxy S6 Active
Display Size	6.8 inches	5.1 inches
Display Type	Dynamic AMOLED 2X	Super AMOLED
Resolution	3200 x 1440 pixels	2560 x 1440 pixels
Refresh Rate	120Hz	60Hz
Processor	Exynos 2100/Snapdragon 888	Exynos 7420/Snapdragon 808
RAM	12GB/16GB	3GB
Storage	128GB/256GB/512GB	32GB/64GB
Expandable Storage	No	Yes (up to 128GB)
Main Camera	108MP wide 12MP ultra-wide 10MP periscope telephoto 10MP telephoto	16MP No secondary cameras
Front Camera	40MP	5MP
Video Recording	8K @ 24fps	4K @ 30fps
Battery Capacity	5000mAh	3500mAh
Fast Charging	Yes (25W)	Yes (15W)
Wireless Charging	Yes	No
Water and Dust Resistance	IP68	IP68
Operating System	Android 11	Android 5.0 (Lollipop)
Biometric Authentication	Fingerprint (under display), Face Recognition	Fingerprint (front-mounted)
Connectivity	5G Wi-Fi 6 Bluetooth 5.2 NFC	4G Wi-Fi 802.11 a/b/g/n/ac Bluetooth 4.1 NFC