[dwheeler]

Related: "Why Modern Computers Struggle to Match the Input Latency of an Apple IIe" https://www.extremetech.com/computing/261148-modern-computer...

The Apple //e, with its 1MHz clock and 8-bit CPU, had an average latency from keypress to character display of 30msec. Modern computers are dramatically slower in keypress to text display. There are reasons, but end users see a slower system.

[fhars]

Those results are actually by Dan Luu and done at about the same time (2017), too: https://danluu.com/input-lag/