The 99xx chips have two CPU dies, and one cache die is on each CPU die.
The 3D V-Cache sits underneath only one of the CCDs. See https://en.wikipedia.org/wiki/Ryzen#Ryzen_9000.
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The 3D V-Cache sits underneath only one of the CCDs. See https://en.wikipedia.org/wiki/Ryzen#Ryzen_9000.