Higher Res=Lower CPU Bottleneck?
4 hours ago, Nickathom said:I've been seeing things around the internet saying that if you increase the resolution, the load will move to your gpu. Is this true? Ive got an old i5-3000 something, and a gtx 1070, and it bottlenecks hard. If i increase the render scale will i get a higher framerate?
On 2/2/2017 at 8:28 PM, Glenwing said:It just introduces a GPU bottleneck that supercedes the CPU bottleneck. While it does "prevent" your CPU bottleneck from occurring, it's only doing so by introducing another heavier bottleneck that you encounter before you get to the point where you would encounter your CPU bottleneck.
You could accomplish the exact same thing without changing the resolution by downgrading your GPU to something less powerful.
In short, no the load does not "move" to your GPU (as in, it doesn't "move away" from your CPU). The load simply increases on the GPU side without changing on the CPU side, resolution does not affect CPU load.
So the load becomes more heavily weighted toward GPU power than CPU power, but it's not because the demand has been redistributed away from the CPU toward the GPU, it's because the GPU demand has increased and the CPU demand has stayed the same.
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