This is rot I suspect: "the chips support a PCIe 3.0 x8 connection to the .... and a x8 connection to the integrated graphics. "
the gpu>cpu link is via Fabric, & afaik, can ~saturate memory bandwidth.
this is hugely significant.
One is an 8GB/s link, the other is ~50GB/s w/ newly ~mainstream 3600 cl16 ram, & 70GB/s+ seems on the cards down the road.
Whenever apuS come up in discussions, the reflexive response of gaming oriented naysayers is "the integrated gpu will always be crap cos it uses slow system memory as gpu cache", yet when ~mainstream system memory shifts from ~30GB/s on raven ridge apu, to ~50GB/s w/ Renoir, it goes unremarked on?
If i am right, then shame on ur misinformationTomsHardware!