A sparcstation based on the hypersparc processor. The 20 is compatible with the earlier sparcstation 10. It has a clock rate of 100MHz and delivers a specfp92 of 127.6.

The SPARCstation 20 Model 71 and 712MP uses the 75MHz supersparc processors that give a 35% and 14% boost to SPECint92 and SPECfp92 respectively compared to the 61/612MP. UK prices range from £15,450 - £20,500 for 71 and £21,700 - £25,000 for the 712. UK availability was planned for April 1995.