Slow perfomance

Here's my current build: https://pcpartpicker.com/list/cWLRvj I recently upgraded my gpu from a gtx 1050ti to a amd radeon rtx 7600 and it has made my pc run more slowly compared to my 1050ti. I already completely reset my pc, used ddu to get rid of my old drivers, made sure everything is...

I have been under the impression the model must be exactly the same, but then I saw this test. They use a rx480 crossfire with a rx580, both msi gaming x. So as long as they are both gaming x? Does this mean I can crossfire my 480 with a 590 when it comes out or even a vega? Planning to get a...