CPU-ID’s CPU-Z has been a popular freeware utility for a long time, that gathers system information on the PC into one location. With the latest version 1.73 they introduced a couple of new features. One of these new features is the integrated CPU Benchmark that provides a score and a Reference CPU that you can choose from a drop down menu. There are no reference Skylake processors available in the menu, so we chose a similar processor from a previous generation, an Intel i7-4790K running at 4.0GHz.
Legit Bottom Line: CPUz gave the ASRock Z170 OC Formula a 6.5% edge in performance over the other Z170 motherboard. Going from 4.0GHz to 4.9GHz we saw an additional 14% increase in the Multi-CPU test for CPUz.