Commodore SX-64

[roy_bates]

im not sure it was the worlds first portable computer,i think that goes to the osborne 1 a few years before.

the sx 64 is a nice machine though.

EDIT: actually i think your right was the osborne a mono display?

 

[mjnurney]

The first mass-produced microprocessor-based portable computer released in 1981 was the Osborne 1,
The first full-color portable computer was the Commodore SX-64 in January 1984.