Deciding between two laptops, i5 vs A8

Hello, I've decided to buy a gaming laptop with a budget of 600. I'm having trouble deciding betwen these two:

HP Pavilion dv6-6135DX Refurbished Notebook AMD A-Series A8-3500M(1.5GHz) 15.6" 6GB Memory DDR3 640GB HDD Blu-Ray Drive AMD Radeon HD 6750M
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Its a refurb, but the reviews are pretty good.

Acer Aspire AS7741G-6426 Notebook Intel Core i5 480M(2.66GHz) 17.3" 4GB Memory 640GB HDD 5400rpm DVD Super Multi AMD Radeon HD 6550M
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I'd have to order the HP, with shipping and tax it costs 590, I found a local deal on the acer for 600. I believe that the processor in the acer is stronger, but the GPU in the HP is stronger too. The HP has bluray however I'd probably wouldn't use it.

Which one do you think I should buy? I'm also open to suggestions as long as the don't exceed 600 by much

Thank you.