I've been using, upgrading, and benchmarking Macs for long enough to prove that the Geekbench benchmarks are really quite accurate and useful. Especially for operations that really max out the machine like rendering and video encoding, and the text processing and machine learning computations I do for research. The relative differences in processing time line right up with the Geekbench numbers. You could look at it as a really strong base config or a really moderate upgrade, but I think this is the smallest delta in the Multi-Core score that I've seen in the top and bottom CPU configs in an iMac, just 21%. http://browser.primatelabs.com/geekbench3/1090987 http://browser.primatelabs.com/geekbench3/1094679 Given that 10% of that is just the clock speed difference, I feel like only a 10% boost from employing hyper-threading is small compared to what I've seen in the past, although I don't have exact numbers at my finger tips. Is this the way you guys remember it?