The cheapest thing you could probably do would be upgrade to 32GB RAM at a faster speed like 3200mhz or higher. Your mobo sypports up to 64 GB 4400mhz it looks like. I think the extra ram would help your video processing as well.
The other thing is if you are looking to swap to AMD chipset you HAVE to swap mobo as the sockets are not compatible.
I understand the complaints. At the same time you need to understand the developer is pre-emptively adjusting for the seasonal gems being added. Doesn't mean it's right to nerf eternal realm characters and have them play with "one arm" as amongold says. But that's why they did it if I had to guess.