Personal Computer Museum

PersonalComputerMuseum.com

The successor and improved version of the ZX80 was the lowest-priced computer of its time and was sold in kit form for 49.95 pounds sterling, and for 69.95 assembled.

Technical specifications of computer Sinclair ZX81

Manufactured by: Sinclair
Launched: 1981
Discontinued: 1984
Units shipped: 1 500 000
Price: 70 GBP
Manufactured in United Kingdom
CPU: Zilog Z80 @ 3.25MHz
Memory: 1 KB ~ 64 KB
Hard drive: None
Operating system: BASIC

Next ->

Compare with

← View other personal computers

Contemporary computers of Sinclair ZX81


Manufacturer: IBM
CPU: Intel 8088 @ 4.77 MHz



More ↓


Manufacturer: Xerox
CPU: AMD Am2900
Innovations: It was the first personal computer to be sold with a graphical user interface, mouse, Ethernet network, and laser printer.
It was a sales failure, with only 25,000 units sold.


More ↓


Manufacturer: Osborne
CPU: Z80 @ 4 MHz


The Osborne 1 was the first commercially successful portable microcomputer.
It weighed 11 kg, cost US$1,795, and ran the then-popular CP/M 2.2 operating system.

More ↓

← View other personal computers