Need advice about purchasing laptop?

I have to buy a laptop soon, I am a bit confused hope you can help me...here are the configurations and important details

1) HP Pavilion dv6

CPU: 2.13GHz Intel Core i3-330M Processor 3MB cache
RAM: 4GB DDR3
HDD: 500GB
Graphics: NVIDIA GeForce G 105M 512mb
Display: 15.6" Diagonal High-Definition LED
PRICE: 832$

2) HP Pavilion dv7

CPU: Intel Core i5-430M processor 2.26GHz with Turbo Boost Technology up to 2.53 GHz
RAM: 4GB DDR3
HDD: 500GB
Graphics: NVIDIA GeForce G 105M 512mb
Display: 17.3” Diagonal HD+ LED
PRICE: 960$

3) ASUS K52JC

CPU: Intel Core i5-430 (2.26GHz/3MB), TurboBoost
RAM: 3GB DDR3 RAM 1066MHz
HDD: 500GB
Graphics: nVidia GeForce GT310M 1GB w/ Optimus Technology (I doubt it is 1gb)
Display: 15.6" HD (1366x768)
PRICE: 810$

make comparison based on the configuration details (be careful at the cpu, ram and specially graphics) and PRICE

thank you
 
Will u use it for games?

Among those 3, get Asus. Better spec and quality than the other HP.
core i5 > i3
Asus with Optimus such that you can switch to save battery life
And with the price difference, you can easily add ram in future.

BTW, Here are other machine you may consider at your price tag
 
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