The ZX80's design introduced many key features that were carried over to the ZX81; as Sinclair himself later said, "the ZX80 was very much a stepping stone to the ZX81".
O deseño do ZX80 presentaba moitas características chaves que foron levadas ó ZX81; así Sinclair máis tarde dixo, "o ZX80 foi un trampolín para o ZX81".