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That looks enormous, and expensive.
Don't care about Teraflops, Teraflops are irrelevant when it comes to gaming.
Link for those that haven't already seen it:
https://www.anandtech.com/show/1518...te-xe-hpc-graphics-disclosure-ponte-vecchio/3
All I can take from it, is that it's going to be expensive. There is no way that that amount of different fabrication, interconnects, interposers etc is going to come cheap, even if the actual "chip/chiplet" fabrication is.