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GPU Memory setting on RPi4b - why 256MB is best?

Sun Aug 11, 2019 6:54 am

I read the threads below, suggesting not more than 256MB is needed for GPU memory.
FYI I have a 4GB RPi4b, no camera (yet), using a 4K HDMI display (using as a mini media centre)

Can someone explain how the GPU uses memory (or a reference) and why the 256MB is all that is needed (looking for a more detailed understanding) - Thanks! ... gpu+memory ... +memory+4b
Regards, Kym
Retired software bloke from Adelaide, South Australia

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