Looking at supposed 5.4Ghz AIDA64 cache/memory results,it's safe to say that 5.4Ghz is not real. Actual clock can be easily extarpolated via the cache BW numbers and cache latency numbers (vs Deneb):
Compare with Deneb at 3.4Ghz and its results:
Actual clock speed when he selected the multiplier 54 is around 3-3.1Ghz according to AIDA64 numbers.So real/effective multiplier is either 15x or 15.5x and something in BIOS is responsible for the bug (or "feature").
This clock speed(5.4Ghz <=> ~3.05Ghz) lines up perfectly with what I said in first post.Actual clock is around 1.7-1.77x lower than what CPUz reports,especially in single thread workloads where Turbo bug is most pronounced.
edit:
Look here. 5.4Ghz supposedly has 4300pts in CPU part of 3dmark06.This lines up perfectly with actual clock speed of 3-3.1Ghz. Another confirmation it's NOT 5.4GHz.And those Chinese guys have no idea ,they still think it's really 5.4GHz.. They just had to compare AIDA64 scores and this simple 3dmark06 cpu test with Deneb at 3Ghz,that's all...





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