* UNIVAC I (1951):16.500 pund (7.484 kg)

* IBM 704 (1954):11.000 pund (4.990 kg)

* IBM 7090 (1959):22.000 pund (9.980 kg)

Minicomputere (1960'erne-1980'erne)

* DEC PDP-8 (1965):250 pund (113 kg)

* Wang 2200 (1973):50 pund (23 kg)

Personlige computere (1970'erne-nu)

* Altair 8800 (1975):12 pund (5,4 kg)

* TRS-80 Model I (1977):24 pund (11 kg)

* Apple II (1977):13 pund (5,9 kg)

* IBM PC (1981):28 pund (12,7 kg)

Moderne bærbare computere (fra 2000-tallet)

* Apple MacBook Air (2008):3 pund (1,36 kg)

* Lenovo ThinkPad X1 Carbon (2012):2,5 pund (1,13 kg)

* Dell XPS 13 (2015):2,7 pund (1,23 kg)