HotHardware has had the chance to see some benchmarks on the upcoming 45nm chip in both quad and dual core flavours.  They are compared to the current champion, the QX6800, so you get a good comparison.  These are still a while away from release, so the chips may perform better by the time they are ready.
“Intel has released some fresh performance data regarding a couple of Penryn-based future processors, Wolfdale and Yorkfield. We’ve got the data posted along with some commentary right here…”

Here are some more Processor articles from around the web:

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