The workstation crowd used Sun computers ... The Ultra 80, for example, is an older computer than the 45. Then there were machines like the Ultra 20, 24, 27, and 40 that all used x86 CPUs.
Ever heard of Apollo Computer, Inc.? They were one of the first graphical workstation vendors in the 1980s, and at the time were competitors to Sun Microsystems. But that’s enough dry historical ...