For now, let's focus on gaming with a good selection of recent Ryzen, Kaby Lake-, and Coffee Lake-based processors. We’re diligently working on the next round of application benchmarks, and are expanding our scope to include older CPUs.
The changing nature of these patches complicates matters: we’ve begun testing several times only to have a patch altered or removed. Measuring the impact hasn’t been an easy task in our labs. Microsoft predicts that "some" users with Windows 10 on pre-Broadwell architectures will suffer noticeable slow-downs, while "most" users on Windows 7 and 8.1 on comparable systems will notice a decrease in performance.
Of course, it remains to be seen how each company works around their security holes without compromising performance.įor now, one thing is for sure: today's patches, particularly those for Spectre Variant 2, affect performance in some workloads. Both Intel and AMD claim they will have silicon-based mitigations in their next-gen processors. Many folks speculate that we may never see patches for those legacy products, though. Intel says it will provide patches for CPUs dating back five years and then move on to older models. And because microcode patches will have the biggest impact on system performance, today's benchmark results are subject to change.
Spectre performance update#
AMD has an OS patch for it, but the company does not have a microcode update to offer. For now, Intel doesn't have an operating system or microcode patch for Spectre Variant 2.
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