CPU: 2x Hitachi SuperH-2 7604 @ 28.63 MHz
GFX: Custom VDP1 + Custom VDP2 @ 7.1590 MHz
(both ran at 6.7116 MHz on PAL)
SND: Yamaha YMF292 @ 22.6 MHz
(Saturn Custom Sound Processor or SCSP)
MEM: 2 MB System / 1.54 MB Video / 540 kB Audio
RES: 352x240i, 640x240 or 704x480p
VDP1 is for sprites and polygons and VDP2 for backgrounds and video out.
System memory was a 1 MB SDRAM and a slower 1 MB DRAM.
Both processors shared the same system memory.