Intel has released a set of desktop and laptop benchmark results with all Windows security patches in place and the firmware up-to-snuff. They compare mobile (Kaby Lake) and Desktop CPUs (Coffee lake, Kaby and Sky lake).
The metrics are a bit all over the place, however as it seems their findings match up to ours, overall in Sky Diver (which is more CPU dependent), there’s minimal performance loss that easily could be seen as an anomaly (~1 or 2%) otherwise.
When the workload changes to really heavy with say PCMark 10 / Sysymark, here on the desktop platforms you are looking at a 4% differential overall with an exception here and there. And in the massive stressed synthetic benchmark, Sysmark, the worst it got was 10% perf loss. The WebXPRT browsing benchmark does take a hit, here again, that is a heavy synthetic test with multiple workloads including DNA sequencing, not your normal browsing experience. Have a peek for yourself and load up the screengrab below.
The data sets do not include any server-side or storage benchmarks, where the biggest hit is to be found. Neither did Intel share numbers for the Haswell and older generations CPUs/Platforms. Intel did test the results with an SSD which would have an effect om Sysmark and PCMark alright, specs of the test setups are listed below the test-results.
