Originally Posted by Mahigan
The thing with Ashe's of the Singularity is that it does not scale well past 4 cores when using Hyper Threading. The engine scales well past 4 Physical cores but not well past 8 logical cores. This tells me that Ashe's of the Singularity was programmed to take advantage of up to 8 physical cores... anything more is a waste. Since the scores provided for Zen also encompass the CPU scores then we can extrapolate that the supposed AMD chip (if this test is valid) is capable of some damn impressive performance figures.
HT seems to give Intel Quad Core CPUs a 20% boost in AotS. Therefore we can somewhat extrapolate that the AMD CPU might be obtaining around or less than a 20% boost in performance attributable to its inclusion of HT.
So 58FPS minus 20% is around 46-47FPS. This means that clock for clock... this supposed ZEN chip is likely/possibly more powerful than the Haswell based Core i5 4670K
Just because Intel get's a 20% boost doesn't mean AMD gets 20% or less. POWER8 can double performance by enabling SMTx8 (actually 2.6x faster in some tests) and in SMTx2 (equivalent of Intel), gains are very often 45-65%. SMT performance is partially based on scheduling, but a huge amount has to do with how much hardware are you willing to duplicate. The more hardware you repeat, the higher your scaling can become until you switch from SMT to full-blown CMT. Bulldozer had a microarchitecture issue, but ultimately, the idea of CMT and CMT + SMT is very sound. I would suspect that all AMD's experience with CMT will have a non-trivial impact on their implementation of SMT.Edited by hajile - 8/22/16 at 7:51am