Intel CPU Security Mitigation Costs From Haswell Through Panther Lake
Written by Michael Larabel in Processors on 12 March 2026 at 11:50 AM EDT. Page 4 of 8. 16 Comments.
Somewhat surprisingly was still seeing a performance difference when running Altair's OpenRadioss software with mitigations=off on this Core Ultra X7 358H laptop.
For OpenJDK Java workloads and other tests, there was a tiny to no measurable performance difference from Intel Panther Lake in the mitigations=off mode.