Didn't really look at it much, knowing my specs isn't much help anyway but: https://www.dell.com/en-us/shop/dell-gaming-desktops/inspiron-gaming-desktop/spd/inspiron-5680-gaming-desktop/ddcwblsk104ph this but + 8GB ram and 2TB HDD
I'm getting lowered FPS, huge spikes & broken textures.
It's a prebuilt (bought 3 months ago, brand new)
Check the full system specs here: https://browser.geekbench.com/v4/cpu/7594104
Posted in this section because I'm assuming it's a GPU problem.