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Intel Core i7 975 Extreme
Nice - but the cheaper, updated i7 920 is nicer
The new 975 Extreme has moved to Stepping D0, and we're told that the new 950 also uses D0:
We had a word with Intel and were promised a 920 on Stepping D0 that would do wonderful things in the overclocking stakes. We duly received a new 920 and it had exactly the same performance as our existing 920. CPU-Z identifies it as a Stepping C0/C1:
so we guess it's actually a C1. We then received another package and this time it was indeed a Core i7 920 D0: