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AMD: the latest information on Zen 3 processors

AMD: the latest information on Zen 3 processors

Next month, AMD will announce its new processor and graphics card architectures. Let’s review all the information we have about Zen 3 first.


October 8: Zen 3 and the Ryzen 5000

In less than 2 weeks, AMD will announce its upcoming Zen 3 architecture and the processors that will use it. It’s time to summarize all the latest rumors and certainties before the official announcement.

Zen 3: It’s not a refresh, but a profound change..

Zen 3 is the first redesign of architecture since the release of Zen in 2017. As a reminder, AMD is in a “style system” of “tick tock“. The team of engineers working on Zen 3 was the same team that worked on Zen and is currently developing Zen 5.

Should we then expect gains as important as with the passage to Zen 2 thanks to the modifications made? 8-core CCX, 32MB unified L3 cache, new memory controller and improved infinity Fabric. More efficient SMT and a new boost system, all accompanied by a 15% increase in IPC INT, new features to increase the frequency (Per Core voltage adjustment, Curve Optimizer) and be able to touch the 5 Ghz.

Surprisingly, this new generation should be called 5000 instead of 4000 and combine the mobile and desktop ranges. Two first processors are already known and leaked: the 5900X 12 cores and the 5800X with 8 cores. Point of change on the scales and the number of cores… it is very likely that we will find a 5950X with 16 cores at the top.

The different AMD processor families for 2021-2022

ryzen 5000

Currently, three versions of Zen 3 are planned:

Vermeer: the desktop version, due out on October 8th and burned in 7nm+

Cézanne: the mobile version, which we also hope to hear about on October 8, but which will surely be launched in 2021. Also engraved in 7nm+, but still equipped with a Vega iGPU with 8 CU.

Rembrandt: Cézanne’s successor should still be based on Zen 3 in 7nm+, but there are rumors that it should use a refresh of the architecture and a new engraving, Zen 3+ and 6nm. It would bring support for DDR5 and LPDDR5 in quad channel (equivalent to dual channel in DDR4), USB and PCIE 4.0 and a iGPU using 12CU RDNA2, leaving Vega behind.

But it’s not over yet, as two other processor families might come along:

Van Gogh: a low power mobile version (7.5W-18W), using Zen 2 and RDNA2 cores with 8 CU, all with DDR5-LPDDR5 support.

Lucienne: a refresh of Renoir, which could be confusing within AMD’s mobile range, as it would take designations such as 5500U and 5700U, as opposed to the 5600U and 5800U used by the Cézanne family.

In short, AMD seems to have some very nice products to put in front of Intel in the coming years. The first step of the Zen 3 launch is imminent, only a few days left before we get our first answers…

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Edited by Calliers

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