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Jeff Geerling: "Raspberry Pi 5: Everything you need to know"
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This is a most excellent place for technology news and articles.
You'll get at least one frame of added latency in the very best case when using original hardware on an LCD. Combine that with a TV that does its own processing and emulation and you'll have some noticeable input lag. And yes, I know most TVs have a game mode.
Interlacing when doing sprite multiplexing looks shittier on an LCD, too. Unless you do blending at the cost of an additional frame of latency.