AMD probably doesn’t end with the AM4 socket yet, as it should be used by Warhol processors, the arrival of which has not yet been really confirmed. In any case, if AMD prepares them and they are intended for DDR4, then most likely it will not be time for a new socket and it will come with the advent of the next generation called Raphael. However, AMD has not officially mentioned it yet, so it unusually keeps us uncertain about what its next next generation of processors will be like.
AM5
– LGA-1718
– Dual-channel DDR5
– PCI-e 4.0
– 600 series chipset— ExecutableFix (@ExecuFix) May 22, 2021
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According to the Executablefix leak, the planned AM5 socket will be of the LGA type, ie the processors will not have pins, but only contact pads like the competing Core. On the one hand, this has the advantage that there is no risk of bending the pins on the processor, which can easily break during straightening, which does not necessarily mean disaster. However, if a really indispensable pin is broken, we can still try to repair it with solder in hand. On the other hand, the same is the case with LGA sockets, only with the motherboard, so caution is the same as with PGA.
We also learn that the AM5 is already supposed to have 1718 pins, which is 387 more than the AM4 (1331) and 18 more than the upcoming LGA 1700 from Intel for Alder Lake-S.
Then it is said that dual-channel DDR5 memories are planned, which is not surprising, but surprisingly not with the PCIe 5.0 bus, as only Genoa processors, or EPYC with Zen 4 microarchitecture, are supposed to have it so far. Warhol should not prepare any chipset for AMD, as expected.
Executablefix revealed in other tweets that AMD expects to keep the size of the processor case at a square of 40 x 40 mm, so it is likely that the heatsinks for AM4 will be compatible for AM5, including mounting mechanisms. However, it will also depend on the spacing of the mounting holes in the board and on the height at which the heatspreader of the processor will be located.
Intel should offer its Alder Lake-S this year, which in addition to DDR5 will also offer the PCIe 5.0 bus, ie if Warhol arrives and then Raphael, AMD should not offer PCIe 5.0 support on the desktop until at least 2023. On the other hand, there is no real advantage for this bus on Alder Lake-S yet, and the question is whether there will be any desktop hardware on the market that will be able to use it when these processors are introduced.
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