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The Gigahertz Battle: How Do Today's CPUs Stack Up?

Athlon 64 X2 Processor "Toledo" (Dual Core)

There were two socket 939 dual-core processors: Manchester and Toledo. Both were 90-nm parts, while Manchester has the E4 processor stepping and while Toledo has revision E6. Manchester offers 512-kB L2 cache per core; Toledo carries two 1 MB L2 caches. Clock speeds were 2.0 to 2.4 GHz. We used a Toledo-512 version of the Athlon 64 X2 4600+ at 2.4 GHz, which came with half the L2 cache disabled.