I recommend you go with the i3 processor, since it is more powerful. Check out this guide on laptop speeds: http/www.microsoft.com/Windows/pc-scout/laptop-speed-facts.aspx. I think it will help answer any questions you have about processors.
Hello and welcome to the forums
Well,it depends.
MBP costs more but has more battery life,better LCD and better build quality,whereas the other one is cheaper(I assume?)
What's your usage ?
I recommend you go with the i3 processor, since it is more powerful. Check out this guide on laptop speeds: http/www.microsoft.com/Windows/pc-scout/laptop-speed-facts.aspx. I think it will help answer any questions you have about processors.