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Re:AMD 3D V-Cache teardown shows majority of the Ryzen 7 980... by wmf on Wednesday December 18, 2024 @12:32PM (#42452679)
Original source (it's X, sorry): https://x.com/wassickt/status/1868812018733752339

I think the term "dummy silicon" is fair because those wafers don't have any transistors or wires on them but OTOH they also cost almost nothing so it's not as wasteful as it might sound.

Re:AMD 3D V-Cache teardown shows majority of the Ryzen 7 980... by ItsTotallyOn on Wednesday December 18, 2024 @12:36PM (#42452725)
Yes, they are bonded (glued-on) chunks of silicon with no logic. That is the definition of Dummy Silicon. The person who wrote the report is a professional chip analyst who does die deconstruction.