AMD Zen4 Ryzen 7000 May Abandon DDR4 Memory

AMD has long been officially announced that it will launch the 5nm process, Zen4 architecture of the Ryzen 7000 series processors in the second half of the year, supporting DDR5 memory, PCIe 5.0 bus, and switching to the new AM5 package interface.


However, AMD has not been clear, will it continue to support DDR4 memory at the same time?

Tom's Hareware has confirmed from multiple sources that the Ryzen 7000 series will only support DDR5 memory, at least when paired with X670 and B650 motherboards.

What is not yet clear is whether there is a possibility that the memory controller of the Ryzen7000 series will support both DDR4/DDR5, and that the subsequent pairing with the new generation of A-series motherboards will continue to allow the choice of DDR4 memory?

This seems very unlikely at the moment, the roadmap has not yet seen the signs of the new generation of A-series motherboards, I only hope to follow up at a later stage.

If this is true, it will undoubtedly be a major disadvantage of the Ryzen 7000 platform: DDR5 memory is still expensive in the short term, and there is no obvious performance advantage over DDR4 memory, only DDR5 support will undoubtedly greatly reduce the attractiveness of AMD's new platform.

Even if the future to add a "A550" motherboard, continue to support DDR4 memory, forcing X670, B650 motherboard support DDR5, will also dissuade a large number of consumers.

You know, Intel's Raptor Lake 13 generation Core at the end of this year, will still retain support for DDR4.

Another major change is the chipset.

X670, B650 will be continued using TSMC 6nm process.

The B650 chipset connects to the Ryzen7000 processor via PCIe 4.0 x4 lanes, but may support PCIe 5.0 for some models.

Meanwhile, it will offer eight PCIe 4.0 (half to M.2), four SATA, and plenty of USB.

For the first time, the X670 will feature a small-chip design, equivalent to combining two B650s into one, with naturally doubled specifications, including sixteen PCIe 4.0, eight SATA, and more USB.

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