In the techs of Laptops. In the main[there are exceptions I guess] they are entirely modular- that is to say each brand is simply assembling complete sub-assemblies from all over- and the only essential difference is the badge. Go for the one that fits your pocket Processors are competing for market share and therefore are matching each other more or less.
As jack says the processor is probably not the main thing to concentrate on when buying a laptop. By far the most important is reliability and click here is the latest guide. Toshiba have a good website which allows you to compare all aspects of their range including processor, hard drive, ram, OS, screen size and price. Take a look here click here#$=&xcUI=profile=neutralprofile;&_1sz/banner_id/helpmechose2/