Dresdenboy has found some new Geekbench scores of 24C and 32C Opterons,submited 1 day ago!
Now compare this to the level of performance of Opteron ES 2x16C @ 2.1Ghz (1.4GHz shown on Geekbench score page is power management most likely).
Latest Opteron 2x16C @ 2.3Ghz result
Early Opteron ES 2x16C 2.1Ghz results
The difference in pure single and multithread performance is huge. Even if Turbo was a culprit for poorer single thread performance,still MT performance should be consistent . But we see massive difference,especially in MT floating point performance,ranging from 1.5x to 2.3x. Integer difference is also huge,ranging from 1.3x to 1.6x. Memory subsystem is also better on latest submission,but much less than what we see in pure integer and float performance. In my opinion ,the first ES opteron results had a silicon on the level of early zambezi B0/B1. BTW we see no difference with B2G/F when it comes to desktop but we see this massive difference when it comes to server parts which are launching shortly.
edit:
side by side comparison,in percentage
http://browse.geekbench.ca/geekbench.../484217/412187
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