If the games is CPU bound why do you think FSR will help its performance? Afaik FSR decreases GPU "load"?
this post was submitted on 30 Aug 2023
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Guild Wars 2
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FSR 3 works just like DLSS 3 which makes GPU generate fake frames and insert them between real frames. It does not use cpu for frame generation. Therefore it doesn't matter that CPU can't handle more than 30fps per second in certain area, because GPU will insert ai generated frames in between to increase fps. Normally when game is CPU bound, graphic card just generates the same amount of frames CPU can handle at the moment. With FSR, GPU can use this spare time to generate ai frames and insert them in between
I am not sure if I misunderstand your post, but I am still wondering how FSR helps with CPU bound games? Maybe I am misunderstanding the term "cpu bound", is it not the same as cpu being the bottleneck?
Yes it is the same. It helps by generating artificial frames as I said above, can't explain it more clearly to be honest.
afaik this never works out of the box, the game needs to support it. No idea where you got that first sentence
Driver-level frame generation. Check out Digital Foundry's last podcast.