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Friday | September 17, 2021
AMD Zen 4: more than 20% gain in IPC?

AMD Zen 4: more than 20% gain in IPC?

A few days ago we published a lot of information about the future AM5 platform that will accommodate the next Ryzen with the Zen 4 architecture. It is now the turn of this architecture to benefit from some leaks. Many elements are already known but we can now cross-reference some information and get a first idea of what Zen 4 will bring. ZEN 4 cpu Zen 4 will be manufactured on the TSMC 5nm process node and the IOD will be based on the TSMC 6nm process node. A priori the flagship offering of the range would be around a 16-core processor at launch. However, it does not seem at all clear that Ryzen under Zen 4 have more than 16 cores…This is for the moment our position with the information we have. Let’s also remember that for the moment the information concerning the AM5 socket seems to go towards an identical size. It would then be surprising to be able to house more cores. But we are for the moment only on assumptions. Moore’s Law is Dead has published a document that, if true, already points to the main gains of Zen 4.

Another significant increase in CPI for Zen 4

First of all, it is stated that we should find an increase of more than 20% of the CPI, which is close to the previous rumors that indicated a gain of 25% of the CPI. Once again, it is mentioned that the TDP will be between 105 and 120W, but this time with an upper limit range (“Intel” style) of up to 170W (we are no longer talking about a special version). The platform will include support for DDR5-5200 memory, 28 PCIe Gen 4.0 lanes, more I/O NVMe 4.0 and USB 3.2, and could also come with native USB 4.0 support AMD Zen4 leaks

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Edited by Calliers

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