If you always run your RAM previews at full res, you will never have enough RAM at some point as your comps get bigger and longer. That's the simple truth here. It's a workflow issue that cannot be solved with more hardware, plain and simple. Otherwise I never found it necessary to have more than 32GB of RAM for any program I use, including AE, though of course there may be some value in getting more if you work with 4k or 8k stuff...
I understand, fully agree.
Do RAM Preview in full has infinite horizon in projects like this that I mentioned (It was just a test).
In the rendering would change something drastically?
I need just understand a more thing; After Effects use RAM Memory like storage of RAM Preview, and when is full, begin transfer new loads to the Device Storage (HDD as cache in my case, but I use SSD as main in OS). RAM memory it has priority, because is faster than hard drive storage. This is how it works?
After Effects has no cap on RAM usage that I know of (other than the one you set in the settings) meaning it will use as much as you let it. Also you want to use a deidicated SSD (not HDD) for your cache drive. Actual rendering is done by your CPU alone. And AE uses the GPU for almost nothing but some of it's plug-ins like Element 3D do.
I understand. Yes, RAM memory is used almost infinitely.
Then you assuming which if I buy the best video card that exists, not much changes in the RAM Preview, workflow edition and rendering in general on the computer (not even buy a video card with more memory).
For more performance, I need to invest in CPU and not GPU. Sure?
In my next PC, I will purchase a motherboard which support two CPUs and two GPUs.
Difnitely you want to put your money into CPU, RAM and an SSD cache disk. AE does not use use the GPU very much except for raytrace3D which is no longer being developed and will probably be phased out in the future. However there are certain third party plug-ins like Element3D, Sapphire and a couple of Red Giant packages that DO use the GPU but a mid-range GPU is capable of handling that. Investing in very high end GPU is a mistake alot of people make. CPU, RAM & a fast SSD drive for caching are more important than GPU. Keep in my mind everything I'm telling you is based things I've heard and read. You should confirm with research whether or not I am correct.
Now I know very well how work divisions of processes determined by After Effects to Hardwares.
Thank you so much!
Just a small detail that I forgot...
The size of memory on the GPU is also of little relevance to Ae?