It had a Z80-compatible microprocessor, and ran a customized version of the CP/M-80 operating system as well as various applications from a pair of ROM sockets which were treated as drives.

There were a number of proprietary accessories available including a portable printer, bar code reader, and an early 3.5-inch diskette drive, the PF-10.

BYTE in February 1985 called the PX-8 "a good second computer, especially for people with CP/M systems" or WordStar users.

The magazine approved of its documentation and tape storage, and described the display as "acceptable" but less legible than the Model 100's.

BYTE concluded that "after the disappointment of the Epson HX-20, the Geneva PX-8 represents a giant improvement.