The two versions use Yamaha's AWM2 (Advanced Wave Memory 2) tone generator also used in the Motif and the Motif ES series of synths and comes with 175MB of waveform memory, 64 voices of polyphony (124 Max in sequencer),  512 preset programs with 256 User voice and 129 GM voice, over 1700 arpeggio programs, and over 18 different filter types navigated through the 240x64 LCD display.
The two models employ Yamaha's AWM2 tone generator also found in the Motif and Motif ES series of synthesizers, boasting 175MB of waveform memory, 64 voices of polyphony (124 Max in sequencer), 512 preset programs with 256 User voice and 129 GM voice, over 1700 arpeggio programs, and a wide range of filter types displayed on the 240x64 LCD screen.