Unverified50% confidenceFactExact time

The ZX Spectrum's CPU clock is 3.5 MHz, and under the PAL standard the screen refreshes 50 times per second, with about 69,888 T-states per frame.

1

Sources

50%

Confidence

Long-term

Relevance

10/12/2026

First Seen

Sources

Writing a Demoscene Intro for the ZX Spectrum

Related Entities

ZX Spectrumproduct Z80concept

Related Claims

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