(ATI radeon hd 5470 or 5650) buying a new LAPTOP NEED HELP PLEASE!!

Hello friend! I want to buy a new laptop for gaming and entertainment. My main task will be gaming so I required very high configuration to support high games. No more talk, I am also confused that which should be my choice. I am looking for two below laptops and wants your propels suggestion and experience about these laptops. The whole system configuration of both laptops is:
1.Dell Inspiron 15:- Running with Intel Core i5 with 2.53 GHZ, windows 7, 3 MB cache, 500GB Hard drive, and RAM is 6GB DDR3, 15.6 “ LCD screen with high definition( 1366x768). ATI Mobility Radeon™ HD5470 Graphics Card.
2. Sony VAIO E series:- working with Intel i5-520, 2.40 GHz processor, OS is windows7, 320 GB hard drive 6 GB RAM, Graphic card is:- ATI MobilityRadeon HD5650 1GB.

Normally ATI RAdeon HD 5650 is good as compare to ATI Mobility Radeon™ HD5470. But the Sony VAIO processor is worst in comparison of Dell processor. So I will go for Dell laptop because graphic card will not make big difference while processor is very important. Another point to choose it is 500 GB hard drive. Dell laptop is also giving you good graphic which will be enough to provide you good graphic support with such high configuration.

It’s really difficult to suggest suggest you better laptop for gaming there is no one perfect. One laptop will support particular game but when you will run high configuration game, it can make problem. Some game like WOW, Sims, football manager require very high configuration and high graphic card. But here my choice is also dell because its processor is little bit fast (Dell has 3.06 Ghz and Sony Viao has 2.93 Ghz). So it will help you more perfectly. Also Dell has better RAM speed as compare to Sony Vaio but laptops are not last choice for you.

I will chose, Vaio because it is going to be the better option. The disparity among the processors is insignificant and for games, the main component will be the graphics card. The ATI 5650 is improved, and in fact the ATI 5650 can grip the resident resolution of the monitor. Here Gonzo is correct that there will be numerous games that graphics cannot run at this resolution, just reason of the supplies, but the card can still manage to display 1920x1080.