Continuing this week's theme, we've had a pair of Intel's processors in the test labs this week: The 3.8GHz Pentium 4 670 and the 2.8GHz dual cored Pentium D 820. Which is best? High clock speed single core with HyperThreading, or the lower clock speed, two cores and no HyperThreading? We have the answers inside...

This morning, AMD announce the fourth generation Athlon 64 FX: the FX-57. The chip is manufactured on a new 90nm process, using the San Diego core - Tim Smalley evaluates what the Athlon 64 FX-57 brings to bleeding edge gaming enthusiasts. Is the latest generation Athlon 64 FX worth buying? Read on to find out...