CPU: NEC 780C @ 3.579545 MHz (3.546893 MHz on PAL)
GFX: Texas Instruments TMS9918A
SND: Texas Instruments SN76489
MEM: 2 kB System / 16 kB Video
RES: 256x192 (40x24 in text mode)
The processor is a clone of the Zilog Z80.
A redesigned version, the SG-1000 Mark II, was launched in 1984.