Does that statistic include Vega? Iorc I remember a deep dive that showed that GCN was bottlenecked by its hardware scheduler. Which is why it performed great in compute but couldn’t keep the cores fed for graphics. Or something like that.
iirc they got review units until they trash talked the iMac Pro. They opened it up to screw around with it, broke either the mobo or psu, took it to an Apple store and said “we’ll pay to fix it, we know we ****ed up” and Apple said “this is completely ****ed, you’ll have to buy a new one.”
Then they made a video discussing the issue, but gave it a clickbait title “Apple REFUSED to fix our iMac pro!”
Since then I think Apple’s refused to do business with them, my memory might be wrong though.