Technically the same as the IBM 5x86C.

Because the Cyrix 5x86 uses a scaled down version of the M1 (6x86) and thus having some Pentium instructions this CPU is able to run the benchmark of Murder Death Kill (MDK). Note that the benchmark states it requires a Pentium processor. This makes the 5x86, along with the Pentium Overdrive (PODP5V83), the only socket 3-compatible processors that can run MDK. > Read more