makita has a da polisher sander with variable speed between 0-3000 rpm
meguiars is 1800 -6800..
checking the net
Speed Setting 1 - 1800 opm
Speed Setting 2 - 2800 opm
Speed Setting 3 - 3800 opm
Speed Setting 4 - 4800 opm
Speed Setting 5 - 5800 opm
Speed Setting 6 - 6800 opm
OPM's for G100/PC
Speed Setting 1 - 2300 opm
Speed Setting 2 - 2350 opm
Speed Setting 3 - 2600 opm
Speed Setting 4 - 3280 opm
Speed Setting 5 - 4780 opm
Speed Setting 6 - 6100 opm
OPM's for Meguiar's G110
Speed Setting 1 - 2560 opm
Speed Setting 2 - 3250 opm
Speed Setting 3 - 3950 opm
Speed Setting 4 - 4600 opm
Speed Setting 5 - 5550 opm
Speed Setting 6 - 6700 opm
OPM's for Meguiar's G220
Speed Setting 1 - 2760 opm
Speed Setting 2 - 3450 opm
Speed Setting 3 - 4150 opm
Speed Setting 4 - 4800 opm
Speed Setting 5 - 5750 opm
Speed Setting 6 - 6900 opm
OPM's for UD Machine
Speed Setting 1 - 2660 opm
Speed Setting 2 - 3950 opm
Speed Setting 3 - 4130 opm
Speed Setting 4 - 4900 opm
Speed Setting 5 - 5240 opm
Speed Setting 6 - 6540 opm
OPM's for Griots 6"
Speed Setting 1 - 2500 opm
Speed Setting 2 - 3300 opm
Speed Setting 3 - 4200 opm
Speed Setting 4 - 5100 opm
Speed Setting 5 - 6000 opm
Speed Setting 6 - 6800 opm
OPM's for PC7424XP
Speed Setting 1 - 2500 opm
Speed Setting 2 - 3300 opm
Speed Setting 3 - 4000 opm
Speed Setting 4 - 4800 opm
etc etc
but these are opm (-random- oscillations per minute) so definitely different unit..
however I can say that high speeds even oscillations not recommended during polishing as it will build up heat