Redmi 4 is powered by 2 GB of RAM which is very good and 425 Snapdragon but the bad thing is that it is with 1.4 gigahertz Quad Core processor xiaomi have to give octa processor which is very fast and the screen is not smooth and their is not fingerprint sensor and the camera is not good and it does not click good selfie in day light the sound quality is also average according to price if you want to buy redmi 4a dont buy it add 1000 in your budget and buy redmi 4 which is powered by octa core processor and the camera is also good of redmi 4