>Today's 9900K is also around 40% more performant than the comparable Ivy Bridge (4960X). Most of that relative performance gain is not from increased speed bu

>Today's 9900K is also around 40% more performant than the comparable Ivy Bridge (4960X). Most of that relative performance gain is not from increased speed but from decreased speed of older processors due to meltdown (and spectre) mitigations. In the past the 4960X and it's contemporaries were much faster.