Sluggish behaviour Big Sur i9 10850K

I built a new Hackintosh today, but I'm experiencing the same odd behaviour that I did a few years back, and that's the OS seems to be stuttering quite often. So when typing it'll freeze for a split second, terminal is *very* slow doing anything, but it doesn't occur when playing video or Minecraft.

I'd really appreciate any help, if there's a flaw somewhere I'd rather send parts back sooner than later. I followed this guide:

CPU: Intel Core i9 10850K

Mobo: Gigabyte Vision G

GPU: RX 460 (upgrading to a 5700XT next week)

submitted by /u/No-Ad2640
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