Can your CPU Really Bottleneck Your Graphics Card?

I’ve often wondered just how much your CPU can really affect the performance of a gaming PC. Surely most of the grunt comes from the GPU?

As it happens I had a couple of different systems to hand; my old i5-4690K rig and my AMD Ryzen 2600 machine, the results were quite interesting:

Short answer: yes, an older or slower CPU can absolutely slow down your gaming performance. So, before you go out and buy a Nvidia 2080Ti, spare a thought for whether your machine is actually up to the task.

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