Some delidding info to consider...
I would love to hear some confirmation about this! What's up with the 2 unused dies?
According to der8auer, who spoke with AMD, Threadripper is an Epyc CPU configuration with four dies, each packing eight cores. At first, we thought this meant AMD had gone for a similar arrangement to what it used for Ryzen 3: four cores active on each die (with SMT enabled in this case) and 16 cores/32 threads on the entire chip. But that’s not the case if der8auer’s information is accurate. According to him, Threadripper only uses two of the four Ryzen dies mounted on the PCB.
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