Best CPUs Under $400

66 in-stock CPUs under $400, $117 – $394. Specs are normalized to one sheet, and each row links to the seller.

Model	Brand	Price	Processor
Intel Core i3-12100F Processor	Intel	$117	Intel Core i3 12100F
Intel Core i3-13100F Processor	Intel	$119	Intel Core i3 13100F
Intel Core i3 processor 14100F	Intel	$119	Intel Core i3 14100F
Intel Core i3-12100T Processor	Intel	$134	Intel Core i3 12100T
Intel Core i3-13100T Processor	Intel	$134	Intel Core i3 13100T
Intel Core i3 processor 14100T	Intel	$134	Intel Core i3 14100T
Intel Core i3-12100 Processor	Intel	$144	Intel Core i3 12100
Intel Core i3-13100 Processor	Intel	$144	Intel Core i3 13100
Intel Core i3 processor 14100	Intel	$144	Intel Core i3 14100
Intel Core i3-12300 Processor	Intel	$157	Intel Core i3 12300
Intel Core i3-12300T Processor	Intel	$157	Intel Core i3 12300T
Intel Core i5-12400F Processor	Intel	$194	Intel Core i5 12400F
Intel Core i5-13400F Processor	Intel	$206	Intel Core i5 13400F
Intel Core i5 processor 14400F	Intel	$206	Intel Core i5 14400F
Intel Core i5-12400T Processor	Intel	$211	Intel Core i5 12400T
Intel Core Ultra 5 processor 250KF Plus	Intel	$214	Intel Core Ultra 5 250KF
Intel Core i5-12400 Processor	Intel	$221	Intel Core i5 12400
Intel Core i5-13400T Processor	Intel	$221	Intel Core i5 13400T
Intel Core i5 processor 14400T	Intel	$221	Intel Core i5 14400T
Intel Core Ultra 5 Processor 225F	Intel	$221	Intel Core Ultra 5 225F
Intel Core i5-12500T Processor	Intel	$222	Intel Core i5 12500T
Intel Core Ultra 5 processor 250K Plus	Intel	$229	Intel Core Ultra 5 250K
Intel Core i5-13400 Processor	Intel	$231	Intel Core i5 13400
Intel Core i5 processor 14400	Intel	$231	Intel Core i5 14400
Intel Core i5-13500T Processor	Intel	$232	Intel Core i5 13500T
Intel Core i5 processor 14500T	Intel	$232	Intel Core i5 14500T
Intel Core i5-12500 Processor	Intel	$232	Intel Core i5 12500
Intel Core Ultra 5 Processor 225	Intel	$236	Intel Core Ultra 5 225
Intel Core Ultra 5 Processor 225T	Intel	$236	Intel Core Ultra 5 225T
Intel Core i5-13500 Processor	Intel	$242	Intel Core i5 13500

Showing the 30 lowest-priced of 66. See all CPUs →

Frequently asked

What is the best CPU under $400?

Every in-stock CPU in our catalog priced under $400, 66 models right now, with specs normalized to one sheet so processor, memory, storage and graphics compare directly.

Are these CPUs in stock?

Yes. The shortlist only includes models marked in stock at the manufacturer or a matched retailer when we last checked. Prices and availability are refreshed regularly.

How is the list ordered?

By price, lowest first. Each row links to the full spec sheet and to the seller.