The following is a list of clones of Sinclair Research's ZX80 and ZX81 home computers:

ZX80

  • MicroAce (1980, US)
  • Microdigital TK80 (1981, Brazil)
  • Microdigital TK82 (1981, Brazil)
  • Nova Electrônica/Prológica NE-Z80 (1981, Brazil)

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File:MicroAce.png|MicroAce

File:NE Z80.webp|NE-Z80

</gallery>

ZX81

Official clones

  • Timex Sinclair T/S 1000 (a ZX81 with the same circuit board from the same factory, but with a 2K x 8 RAM chip instead of 1K and small keyboard mask/character set changes. This is typically a U.S. model, with a VHF NTSC RF modulator and slightly improved RF shielding, but are the same BASIC machine)
  • Timex Sinclair T/S 1500 (a TS1000 in a ZX Spectrum like case with 16k built-in)
  • Lambda Electronics Lambda 8300 (a 1983 clone, also branded as PC 8300, DEF 3000, Basic 2000, Marathon 32K, Tonel PC, Unisonic Futura 8300, PC-81 Personal Computer, CAC-3, Polybrain P118, Creon Electronics Power 3000 or NF300 jiaoXueDianNao)

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File:Timex Sinclair 1000 Top.jpg|T/S 1000

File:Timex-Sinclair-1500-Transparent.png|T/S 1500

File:Front of Lambda 8300 background removed.png|Lambda 8300

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Brazilian clones

  • Microdigital TK82C (smaller case and 2K RAM, 1981)
  • Microdigital TK83 (same case as original, but golden instead of black, 1982)
  • Prologica CP200S
  • cdSE Microcomputadores Apply 300
  • Nova Electrônica/Prológica NE-Z8000 (1982)
  • Engebrás AS-1000 (1984)

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File:TK82C Microdigital Eletrônica.jpg|TK82C

File:Microdigital TK83.png|TK83

File:Microdigital TK85 B.png|TK85

File:CP-200 I.svg|CP 200

File:Prológica CP 200S.png|CP 200S

File:RINGO R-470.png|Ringo R-470

File:NE-Z8000-with-RAM-expasion.webp|NE-Z8000

File:Engebrás AS-1000.jpg|AS-1000

</gallery>

Argentinean clones

  • Czerweny CZ 1000 (1985)
  • Czerweny CZ 1500 (1985)
  • GoldStar FC-30
  • Boeun Peek PC-1000 (Timex Sinclair 1000 compatible, 1983)

Chinese clones

  • PZ-80

Modern clones

In recent years retrocomputing enthusiasts created various clones or recreations of the ZX80/ZX81.

  • Grant Searle reproduction
  • ZX81+38
  • ZX80/ZX81 Double Clone and related ZX80/ZX81 Project
  • ZX97
  • Minstrel
  • Wilco/Baffa's one
  • TELLAB TL801, an Italian clone designed in 2002 that can emulate both the ZX80 or ZX81. Selection between machines is made via a jumper.

References

  • Planet Sinclair: Computers: Clones and Variants
  • Sinclair Nostalgia Products — Sinclair Clones