It's safe to say that there's one thing that you don't mess around with, and that's performance. Enthusiasts don't spend hundreds of dollars on a processor to watch it underperform. Given the complicated nature of the Meltdown and Spectre vulnerabilities, Microsoft's so-called mitigations were bound to have an impact on processor performance. The million dollar question was: Just how much? The initial estimate was somewhere around 30%, but Intel, being optimistic as usual, expected the performance impact to be insignificant for the average user. They recently provided some preliminary benchmark results that looked quite convincing too. Well, let's take a look at their findings, shall we?
Intel measured the mitgations' impact on CPU performance using their 6th, 7th, and 8th Generation Intel Core processors but, more specifically, the i7-6700K, i7-7920HQ, i7-8650U, and i7-8700K. The preferred operating system used in the majority of the benchmarks was Windows 10, however, Windows 7 also made a brief appearance. Intel chose four key benchmarks for their testing. SYSmark 2014 SE evaluated CPU performance on an enterprise level simulating office productivity, data and financial analysis, and media creation. PC Mark 10, on the other hand, tested performance in real-world usage employing different workloads like web browsing, video conferencing, application start-up time, spreadsheets, writing, and digital content creation. 3DMark Sky Diver assessed CPU performance in a DirectX 11 gaming scenario. Lastly, WebXPRT 2015 measured system performance using six HTML5- and JavaScript-based workloads which include photo enhancement, organize album, stock option pricing, local notes, sales graphs, and explore DNA sequencing.
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Originally Posted by Buckeye
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