The New MacBook Pro 16 and the BlackMagic Pro EGPU

Question

Last week I got one of the new MacBook Pro 16s and plugged it into my (from Apple Store) EGPU BlackMagic Pro. After about 10 minutes, I realized something was very wrong. Just things like typing messages like this had a delay. That is, I type ABCD as fast as I can and it does not show up on the screen for at least a 100ms or so which is quite noticable. No issue when running the monitor directly off of the new MacBook w/o the EGPU.

I also did some testing with Premiere Pro and so far, though painful to test, the EGPU was maybe 10% faster at my workload then the native computer (on my previous MacBook with similar specs but less of a built in graphics card), it was about 300% faster on the EGPU.

Anyone else have that new MacBook and the BM EGPU Pro?

Conrad_C · Answer

That is odd that the typing was so slow. Try opening Activity Monitor and see if there is a process using more CPU than expected, slowing down everything else.

The graphics hardware on the new 16" (which I do not have) is much more powerful than the top of the line GPU in the old 15"; that might partly explain why the eGPU provides less of a boost with the new model.

I don't know if this will provide any insight, but today a Mac benchmaring website published some tests using the new 16" MacBook Pro and eGPUs, though not the BlackMagic Pro:

16-inch MacBook Pro - What's the effect of eGPUs?

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