this post was submitted on 12 Sep 2025
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Buildapc
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oh yeah pcie3 is pretty old by now I guess, and I just realised that the 6600xt is one of the cards that have pcie4x8, I wonder if that'll have an effect.
EDIT: Thanks, it does look like using pcie3 has a measurable impact on the 6600xt, so I'll probably be shilling out for a b550 board. it's not that much more expensive anyway
Anyway those AM5 builds are more than 2x the price of the AM4 builds, so I'll probably settle on AM4 for now
Remember to update to at least 5600 to get PCIe 4.0 on the CPU too.
oh does 5500 not have pcie4? that's crazy wtf
Nope, it doesn't - they built it with 24 lanes of pcie 3.0.
5600 comes with 20 lanes of pcie 4.0