Best Gaming laptop between these 3?

[lazanoz]

Hi, my friend wants to buya laptop around 500 euros for games like Heroes of the storm, battle of tanks, LoL, DotA 2, Diablo 3 etc

Since the availability in Greece is low I'm stuck between those 3 laptops
http/www.digideli.gr/Lenovo-Z50-70-15.6-37312
http/www.digideli.gr/Lenovo-Z50-75-15.6-34268
http/www.cosmodata.gr/product/223874/

which one would be the best choice?
Thanks for your time

 

[Guest]

LENOVO G50-70 Με CPU INTEL CORE I7 4510U, ΜΝΗΜΗ 6GB, ΔΙΣΚΟ 1TB ΚΑΙ ΚΑΡΤΑ ΓΡΑΦΙΚΩΝ AMD RADEON R5 M230 2GB ! ! !

 

[lazanoz]

I was considering the A10 with the R7 cuz better graphs, should i tell him to go for the i7 ?