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The AMD Ryzen 5000 processors announced the day before inherited from the Ryzen 3000 series predecessors not only the chiplet design, but also the I / O crystal. This information was confirmed by Andreas Schilling, editor of the German web publication HardwareLuxx. By the way, AMD also uses the IOD (Input-Output Die) chip as a PCI Express 4.0 compliant X570 chipset.
That being said, you shouldn’t expect additional PCI-E 4.0 lanes or a better RAM controller from Ryzen 5000 processors. DDR4-3200 is still the official RAM mode for the Vermeer CPU. It can be expected that over the several years that the 12nm GlobalFoundries pipeline has been operating, the contract chipmaker has brought the technology to perfection, meaning the IOD as part of the Ryzen 5000 still received some process technology optimization.
I / O Matrix on AMD Ryzen 3000 (Matisse)
If we talk about 7nm Zen 3 chiplets in the new processors, for their launch the same technology is used as in the case of the Zen 2. Despite this, the company managed to “squeeze” a couple of hundred additional megahertz for the mode. boost. As AMD CTO Mark Papermaster pointed out, it was possible to achieve 5 GHz (in dynamic overclocking), but then CPU availability would suffer, because only the most “successful” Zen 3 crystals are suitable for such processors.
