Best rom for performance for ace 2 i8160

I installed cyanagomode 13, the latest but the system takes 300 mb. Total ram is 600 mb so there is not much left.

other roms , for example 4.4 4.2, how are they?

i want to use twitter snapchat whatsapp without any freeze and also camera.

from xda-developers http://ift.tt/2a93s5H
via IFTTT