Well, the backplate has both some practical and aesthetic functions. What is this? First, the backplate helps support the graphics card's cooler and thus prevents the PCB from bending, something that can be quite noticeable when it comes to larger models with bulkier, heavier heatsinks.

Are GPU Backplates worth it?

If you're an RGB enthusiast, then a GPU backplate is well worth it. Its large surface area will allow you to light the inside of your PC case exactly how you want.

Do GPU Backplates affect cooling?

Temperatures of the components and fan speeds

Let's start with the GPU. ... However, since AMD couples the fan control to the hotspot, the GPU with backplate gets significantly cooler, but unfortunately it doesn't get quieter.