Quote Originally Posted by MAS View Post
there're no miracles

SB doesn't have so much core improvements over nehalem to show 20 per cent advantage without turbo
I suppose turbo was enabled for SB
No. According to Anand, scores was done without Turbo :

The other major difference between what’s out today and what’s coming in Q1 is turbo. Early Sandy Bridge samples, ours included, do not have turbo enabled. The CPU simply runs at 3.1GHz all the time, regardless of workload. The final retail 2400 will be able to run at up to 3.4GHz.