Why AE CC 2015 preview RAM work fine on one computer and not on another?

Hi all


So I know it is the subject of news at the moment and maybe this has already been answered, but to be honest, I don't have time to go searching for the answer!


Basically, I can't work on the same project, the same version of AE on different machines. Its a little ridiculous!

AE works very well on this machine:

iMac 27' end 2012

Intel Core i7 3.4 GHz

16 GB of ram

NVIDIA GeForce GTX 1024 MB 675MX

Merger of 3 TB drive

AE is unusable on this machine: (terrible ram preview, frame rate, audio crackles and breaks autour shifts)

IMac 27' end 2014 retina

4 GHz Intel Core i7

32 GB of ram

AMD Radeon R9 M290X 2048 MB

250 GB SSD

At present, using the retina when machine, put Im cached my project on the local SSD instead of using an external. Maybe AE doesn't like it? Perhaps 250 GB is not big enough to keep him happy? Or theres a conflict with graphics card? These are the only things I can think of. Any advice/insight would be much appreciated.

Thank you

It's probably the AMD card and configuration. For example, on my old Mac Pro or even on my Mac Mini, if I add the render tail to the bottom of the timeline and its size down so that it has almost completely disappeared I get previews ram perfect even with 4 K images. I can't do anything to my MacBook Pro with Nvidia card. See how to make Cue down at the bottom?

4K warp stabilized 30 fps video from an iPhone 6 s + real-time preview on a Mid 2011 Mac Mini without any problem at all.

Tags: After Effects

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