It comes with 4GB of RAM. The SAMSUNG A51 is aSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by). this smart phone available iPrism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink. Dispaly in this smart phone have Super AMOLED capacitive touchscreen, 16M colors. Some main points are highlited below.
OS :Android 10, One UI 2.1
Size : 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Resolution: 1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Dimensions : 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)