IBM Portable

IBM Portable

ibmportable

One of the early portable computers, developed by IBM, released in 1984. It had memory of 256KB, with possibility to expand to 512KB on motherboard. In comparison, Samsung Galaxy S5 (2014) has memory of 2GB, which is approximately 7.8 thousand times more (or 3.9 thousand, respectively).
The computers selling point was “portable” as is combined the monitor into a base unit approximating a medium-sized suitcase.