RAM and Proceesor

[AniAM]

Gonna buy low budget laptop. What should I go for? Choose an option for me.

2GB RAM+Intel CPU or 4GB RAM+AMD CPU or 2GB RAM+ AMD?

Sites flipkart/Amazon.in/Snapdeal

 

[iozster]

Buy 2GB or better 4GB for windows 7 / 8 And of course Intel processor.

 

[AniAM]

I heard that some laptops doesn't run with Win 7. Only Win 8. True at all?