The Pentium Pro's integer performance lead disappeared rapidly, first overtaken by the MIPS Technologies R10000 in January 1996, and then by Digital Equipment Corporation's EV56 variant of the Alpha 21164.
Pentium Pro oli täisarvudega opereerimises kiireim lühikest aega: esimesena ületas selle kiiruse MIPS Technologies protsessor R10000 1996. aasta jaanuaris ning hiljem Digital Equipment Corporationi Alpha 21164 EV56 variant.