Nehalem supports hyperthreading, which means each quad-core CPU can work like an 8-core CPU, and Turbo Boost technology allows CPUs to dynamically overclock themselves when circumstances permit – such as letting the 2.93 GHz Mac Pro go as high as 3.33 GHz.Īll that power doesn’t come cheap. Each core has its own 256 KB Level 2 (L2) cache, and each quad-core CPU shares an 8 GB Level 3 (元) cache.
It’s been 14 months since Apple introduced the 2008 Mac Pro, and the 2009 Mac Pro is a big step forward: every configuration uses quad-core Intel Xeon Nehalem CPUs for even more power.
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