Polypheme. The riser probably does affect performance a bit. 3700 vs 3800 is only like 2%, so in the grand scheme of gaming if you were getting 90FPS in a game before, with the riser you'd get 2% less, so 1.8 less FPS, or 88.2 FPS. No real difference you'd see.

What do PCIe risers do?

Consumer. In small-form-factor (SFF) computers built by computer enthusiasts, PCI-E Riser Cards are used in a similar sense to a server application. They are used to sandwich a graphics card closer to a computer motherboard and are made to the same heights as server units for most applications.

Do PCIe risers affect performance Reddit?

Nope. Basically, if you don't make it very veeery long it doesn't affect performance at all.