Overclocking the Pentium 4 520 2.8GHz to 3.57GHz

Redemption for LGA775?

IF YOU'VE BEEN paying attention over the last few months, you've no doubt noticed that AMD's latest Athlon 64s trounce Intel's newest Pentium 4s almost across the board. That's a real shame considering that Intel's 900-series chipsets bring so much to the table, including PCI Express, advanced Serial ATA and RAID features, and high-definition audio. There could be hope for Intel fanboys, though. Since the Pentium 4 500 line stretches from 2.8 to 3.6GHz, lower speed grades may have considerable overclocking headroom just waiting to be exploited.

How much headroom? I got an extra 770MHz out of my Pentium 4 520 2.8GHz, which is quite comfortable running at 3.57GHz with stock air cooling—not bad for a chip that costs less than $160. Could a little help from the overclocking fairy make the Pentium 4 520 2.8GHz a formidable contender against the Athlon 64? Read on to find out.

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