M2 Ultra poor performance After Effects

Hi, I've ran a couple of tests, comparing a Mac Studio M1 Ultra with a M2 Ultra.

.Mac Studio M1 Ultra 128GB Memory, 20C CPU, 48C GPU, 2TB SSD - Monterey 12.6.7

.Mac Studio M2 Ultra 192GB Memory, 24C CPU, 76C GPU, 2TB SSD - Ventura 13.5

The 2 computers have the same After Effects version 23.5.0 and settings (multiframe rendering on, disk cache enable with 256GB on computer internal ssd drive,...), and the project files are located in an external NVMe SSD OWC Envoy Pro Fx (1TB)

. Project #1 Test: UHD resolutuion, only have photos, animated graphics and an animated logo with alpha (ProRes4444). Project Color Depth 16bpc.

I opened the same project from the same external OWC ssd drive in both computers.

The M1 Ultra plays the preview in real time (once it´s stored on the disk cache).

But with the M2 Ultra, the preview doesn´t play in real time, it´s very choppy, even if I keep it playing for ever.

. Project #2 Test: 1080p project with ProRes 422 footages, lumetri, and a few animated graphics, Color Depth 16bpc.

The same result, in the M1 Ultra it plays real time.

But with the M2 Ultra, it´s unusable, very choppy, not real time at all, even in half or third resolution, or changing color depth from 16bpc to 8bpc.

Posted on Aug 2, 2023 1:18 AM

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M2 Ultra poor performance After Effects

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