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Headless CPU allows for a view of 12 chiplets

Headless CPU allows for a view of 12 chiplets

from benjamin grundken
The next generation of Epyc Genoa is coming. This is made clear above all by a photograph showing the beheaded processor with no fewer than twelve chipsets. Assuming eight Zen 4 cores per CCD, this works out to 96 cores and 192 threads.

AMD socket SP5 for the next generation of Epyc Genoa you know it’s huge, which is largely due to the number of cores up to 96 and the expansive memory interface, which is supposed to address twelve channels of DDR5 memory. after photos for plugs repeatedly made the rounds and also the strange Zen 4 server CPU already seen, Genoa is shown now without heat sink.

AMD Zen 4 with up to 96 cores and 192 threads

Assuming all twelve CCDs have all eight CPU cores integrated, the processor shown has 96 compute cores and 192 threads. However, in theory, the computing units can also be disabled: the next top model of the Genoa has 96 cores. By the way, the big silicon element in the middle is the I/O die.

More about the subject: AMD Zen 4: cache is king

Each Zen 4 CCD, which is now produced using TSMC’s 5nm process instead of 7nm, is said to measure 72mm², which is 8mm² less than a comparable Zen 3 chiplet. At 397 mm², the I/O The above data also takes up less space, which is still 416 mm² on current Milan processors. Since twelve and not eight chipsets are used, the SP5 (LGA 6096) package is still 37 percent larger than with the SP3 processors.

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Genoa follows Milan (Epyc 7003) and is scheduled to hit the server segment as the Epyc 7004 series later in the year; the first copies have already been delivered to customers. With “Bergamo”, further development of “Genoa” is planned for 2023, which will have up to 128 cores with CPU processing cores called “Zen 4c”.

Source: TF AMD Microelectronics, @phatal187, Videocardz