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I have a MacBook Pro M1 Max and a MacBookPro M4 Max both with 64GB.
I am running Maya 2025.3 and rendering the same 125 frame animation on both.

The M1 rendered in 55 mins.
The M4 rendered in 24 mins.
Your test results are similar to mine, although mine was with a different application set.

A 35 gig mkv rendered down to 5 gb in Handbrake, took...
M1 Mac mini base (8gb)- 55 minutes
M4 Mac mini base (16gb) - 25 minutes.

So for me, yeah, M4 twice as fast.
 
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