To compare different versions of mobile Pentium III-M processors please see mobile Pentium III-M CPU chart.
866 MHz 478-pin micro FC-PGA package Qualification sample
1 GHz 478-pin micro FC-PGA package
1.06 GHz 478-pin micro FC-PGA package Engineering sample
1.13 GHz 478-pin micro FC-PGA package Qualification sample
1.2 GHz 478-pin micro FC-PGA package Qualification sample