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Your current old consumer Amd cpu is faster than the Intel i9 cpu of two generations ago. 4k 30p use should be no problem. 4k 60p might be affected. The latest i9 and amd ryzen 9 could be your next step or a workstation.
The gpu is good for hardware decoding of video on the timeline and for speeding up the preview of certain old type style effects in the fx library.
#7 in the FAQ may help: https://forum.cyberlink.com/forum/posts/list/97580.page#post_box_392520.
Thanks, there are some good tips there!
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For editing, the GPU can do decoding of certain timeline video content when it's supported and can accelerate some timeline applied Fx (ones with GPU brand icon in left corner) when set in pref. It is also very effective at accelerating AI Styles when Nvidia CUDA is selected to list a few. Your OP mentioned AI features, most of the other AI features like those listed here: https://www.cyberlink.com/support/faq-content.do?id=26363 are all CPU based. Other GPU timeline features for Nvidia were mentioned prior, Nvidia Video Noise Removal, Audio Noise Removal, and Room Echo Removal.
Most of basic timeline editing activity is CPU based in PD. PD is just not a very fluid timeline editor, it appears to have too much internal latency and deficiencies vs other options.
Biggest advantage by far of a solid GPU is encoding during produce. It can be very effective for that vs virtually any CPU, especially H.265 formats and other high compression formats like AV1. AV1 is supported by newer GPU's but no support in PD21 yet but others do. Producing could be slow, even with GPU encoding, if say color correction or stabilization or...., was done on the timeline content. That color correction or stabilization needs to be done by the CPU on a frame by frame basis prior to the GPU encoding. Basically, your GPU would be highly underutilized during this phase as PD21 and the CPU are the processing bottleneck for these timeline features.
Your OP said your GPU is buffering? When is it doing that?
Jeff
Thank you very much Jeff! Very helpful!
As far as buffering goes, it might not be the right term. (English is not my first language so, I might messed up)
What I noticed, is that when I played back inside the timeline, video may freeze as the audio continues. I must stop the playback past the video clip that freezes up to have a smooth playback again. I think/thought it was my gpu not able to process the multi layered fx on that clip. I called this buffering, but I might not be the correct word.
Also, as I now understand, it is a cpu task instead of the gpu.
But my cpu should be sufficiant enough for what I am doing. So maybe it is just PD that isn't as smooth as I susspected now I am doing in depth stuff and I am making a hussle for nothing 
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That’s a little more guidance. Your 1050ti can handle the AI style effects with Nvidia CUDA hardware acceleration checked, is it simply not fast enough when you click Transform Video? Are you looking for timeline editing improvement, produce improvements, what is the 1050Ti bottleneck that you're trying to resolve with a new GPU?
Sky replacement, CPU task, GPU won't help
Slow motion playback, CPU task, GPU won't help
Color Adjusting, CPU task, GPU won't help
Assuming you are talking timeline editing and playback fluidity with transitions, PIP, mask designer, keyframing, all predominately CPU tasks, a GPU won't help
I really don't understand your need, however, if I was looking to buy a reasonable priced new GPU in today’s market for PD, I'd probably look for a RTX 4070, even the dual cooler.
Jeff
Maybe I should take a better look at my CPU then. I assumed the AMD 5800x was fast/good enough.
I blame my GPU for the slow processing, never thought of the CPU.
But it does make me wonder... What exactly does the GPU do when video editing?
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All the AI stuff working might be a little deceiving, it really depends on what AI features the OP is referring too. Try the AI Style Pack Impressionist or AI Style Pack Van Gogh and see how your unit with the popped in better graphics card works.
GPU needs really depend on intended use and the OP provides too limited information to guess what his needs really are. Understanding where the 1050Ti is not meeting the needs would be of value. For instance, if one wants the Nvidia Video Noise Removal, Audio Noise Removal, and Room Echo Removal of PD21, one would need at least a 20 series Nvidia GPU.
Jeff
I Like to use the AI style effects. Blend it with the original source to make some nice effects. Sometimes also with the sky replacement.
Other than that, multiple layers of videos and blending them, Slow motion, editing colors in videos.
Then I like to get experimental with transitions, PiP, mask designer and keyframing all off this. Lots to learn of that front!
Hope that gives some more info!
Thanks,
MJ
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Hi all,
I've been using Powerdirector 365 for 2 or 3 years now and my projects become more complex as I learn more and more.
I noticed my GPU isn't able to keep up. buffering and rendering is slow.
Currently I have a Nvidia GTX 1050ti
AMD Ryzen 7 5800x and 32GB ram
Looking for a GPU draged me in a dark rabbit whole and I have no clue what all the technical details mean.
I want a GPU which can handle 4k and can do the AI stuff within powerdirector.
Other than that, I make videos for my own fun as it is only a hobby of mine. No pro by any means.
Budget wise, I would like to keep it under €800,-
Thanks in advance!
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