Samsung Galaxy S21 Ultra 256GB vs Samsung Galaxy A56 256GB

10 recorded spec differences. Samsung Galaxy A56 256GB is currently the cheaper of the two on Amazon.sa (SAR 3,402 vs SAR 3,085, checked 4 Nov 2026).

Specifications side by side

SpecSamsung Galaxy S21 Ultra 256GBSamsung Galaxy A56 256GB
Key comparison points
ProcessorExynos 2100Exynos 1580
Wired charging25 W45 W
Main camera40 MP50 MP
Years of OS updates4 years6 years
Storage256 GB256 GB
Memory (RAM)12 GB12 GB
Battery capacity5,000 mAh5,000 mAh
5GYesYes
Camera
Optical zoom (telephoto)10 x—
Front camera—12 MP
Screen
Screen size6.8 in6.7 in
Display typeAMOLEDSuper AMOLED
Resolution1440 x 32002340 x 1080
Screen refresh rate120 Hz120 Hz
Charging and connectivity
Wireless chargingYesNo
Water and dust ratingIP68IP67
Operating systemAndroid 11.0Android 15
Dual SIMYesYes
Design and warranty
Release year2021—
Dimensions16.5 x 7.6 x 0.9 cm—
Weight200 g—
ColourBlackBlack

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