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Intel Core i7-8700K and i5-8400 Coffee Lake CPU Review

By: Steven Bassiri | Intel CPUs in CPUs, Chipsets & SoCs | Posted: Oct 5, 2017 1:01 pm
TweakTown Rating: 93%Manufacturer: Intel

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Some games like single core performance, some like more cores, some like more frequency, some are optimized for four cores, and some are just a mixed bag of goodies. These gaming results are very interesting, as they show us how well the ecosystem is optimized for Intel's 4-core CPUs. In Resident Evil 6, the 8700K does quite well. However, the 7700K and 7740X still have higher core boost frequencies when using 4 or more cores.

 

An anomaly can be found within GTA:V and Rise of the Tomb Raider, where the i5-8400 matches or beats the i7-8700K. The only explanation we have for that is that these games aren't optimized for high core counts (many games are optimized for four cores as that has been the standard for a while). The games might not appreciate Hyper-Threading either.

 

It was found that turning off Hyper-Threading/SMT can help in some titles, especially if that title doesn't take advantage of all threads available. Sometimes it's better to dedicate one thread to one core instead of one thread to one core in a mode to accept two threads. Ashes of the Singularity brings things back into the realm of easy logic, with the 8700K doing exceptionally well.

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