Friday, September 15th 2017

AMD Ryzen Threadripper MCM De-lidded and De-packaged

PC enthusiast Der8auer, with access to a Ryzen Threadripper processor, took it completely apart for science. It won't be the first time that a Threadripper HEDT processor was de-lidded (its integrated heatspreader removed), revealing that it has four "Zeppelin" 8-core dies, making it practically identical to AMD's 32-core Epyc processors; however, it's the first time that someone completely removed the dies from the package.

Ryzen Threadripper processors are built by completely disabling two out of four "Zeppelin" dies on an Epyc multi-chip module (MCM). Two diagonally opposite dies are disabled. The disabled dies can't be reenabled, at least not on an X399 chipset motherboard, as the Threadripper HEDT platform lacks DRAM, PCIe, and possibly even power wiring for the disabled dies.
Source: Der8auer
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51 Comments on AMD Ryzen Threadripper MCM De-lidded and De-packaged

#51
cadaveca
My name is Dave
ImsochoboAlso worth noting on TDP.
Run AVX on an intel 140W, does it use 140W? no. 165W : yes.
That's not quite accurate. Intel CPUs will use Turbo clocks that increase power consumption over TDP, provided conditions are correct.

I can't comment on TR, because no one has done CPU-only power draw that I have seen, and AMD declined sampling to us. I'm not sure why what Intel does has any bearing on what AMD does, anyway... calling one good in the face of another's bad is rather conniving and obviously so, I hope you realize. o_O
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