Intel Celeron 420

The Intel Celeron 420 brings 1 cores and 2 threads. Clocks run from 1.6GHz base to 1.6GHz boost. It drops into the LGA775 socket with a 35W TDP — about 35W per core. Confirm motherboard socket compatibility before anything else, then size the cooler to the TDP.

Its $5.99 price tag places it squarely in budget territory. PlanMyPC's builder flags compatibility problems automatically and tracks the latest processor deals from multiple stores. Intel backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.