TweakTown published a comparison review between the Sempron 64 and Celeron D 64 64-bit budget CPUs

Intel’s value market was unchallenged for some time with the demise of Duron, but now it’s starting to show again that AMD can put its muscle into both high-end and value segments, and still give the users what they want.

Battle of the 64-bit Budget CPU - Sempron 64 vs. Celeron D 64