Which laptop is better?

Which from the below list is better in display quality, sound quality, build quality, performance(leaving the 1GB and 2GB graphics difference), less heating problem, more Wi-fi reception?




1)HP Pavilion G6-2010AX Laptop (APU Quad Core A8/ 6GB/ 1TB/ DOS/
1.5GB Graph)

2)Samsung NP355V5C-S03IN Laptop(APU Quad Core A8/6GB
/ 750GB/ Win7 HP/1GB Graph)

3)Acer Aspire V3-551G Laptop(APU Quad Core A8/ 4GB
/500GB/Win7 HB/ 2.5GB Graph)


Thank You