The 4 gb ram verient is so much good about its speed as compair to 3 gb verient. design and style and look is so impresive{char log dekhenge zaroor} #the camera phone. the camera is very nice as we all know. #13 MP of rear camera and 5 MP of front camera. the processor is also good 2 GHz octa-coar sanpdragone in both models(3 & 4 GB RAM) so their is only difference of RAM, ROM& price. othervise both phones are same and same and same. #bhai I refer to you that if you want to buy a phone then that is the best phone of the time. bhai lele 3 GB-10, 999rs & 4 GB-12, 999.