Those building an Intel machine these days have loads of options, with desktop CPU prices ranging from as little as $60 to well over $600. The Core i3 is intended as an entry-level option, the Core i5 is geared for mainstream usage, and the mighty Core i7 is meant for high-end systems and enthusiasts.
Many will wonder which one is right for them. Do they need a Core i7 or will the Core i5 be just as fast for their needs? Should they spend less on a Core i3 and allocate the savings elsewhere, or is the Core i5 worth a premium?
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips