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Obviously, this is an early es engineering scatter, with a basic frequency of 1.5GHz and a maximum acceleration of 2.2GHz. Unfortunately, there is no core number information in the identifier.

In fact, the ES chip frequency of the previous generation of epyc Rome is similar, but it finally reaches 3.4GHz.

The average improvement of IPC (equivalent to the same frequency performance) is about 15% (rumored to have been optimized to 17%), and the floating-point operation is said to have increased by 50%. Compared with Zen 2, Zen 3 does not simply repair, but reconstructs CCX / CCD, and the buffer system changes greatly.