* It looks like Zen 3 will be the last generation on AM4, then Zen 4 will move to AM5, adding support for DDR5 and PCIe 5.0. * Since it's a little over 12 months between each release, you could see Zen 3 in Q4 2020 and Zen 4 in Q1 2022. * Rumors about Zen 3 performance range from +8% IPC and +200 MHz to over 15% IPC increase and higher core counts. A core count increase (e.g. 12 cores per chiplet or more chiplets) seems unlikely to me, but "7nm+" might make it possible (20% greater transistor density).
Things to watch out for in January:
* 64-core Threadripper 3990X * Possible 48-core Threadripper 3980X, which AMD may have decided is not worth releasing. You are probably either good with 32 cores or want as many as possible. * Possible 8-channel memory for Threadripper * Zen 2 APUs with up to 8 cores * Use of either Vega or Navi graphics for the Zen 2 APUs * Any improvements to media decoding? Such as AV1 or 8K. Is it called Video Core Next, Radeon Multimedia Engine, or both? * LPDDR4X support? * Possible successor to the fanless A6-9220C, with at least the +52% higher IPC of Zen. * Possibly more details about ray tracing for the next-gen consoles.
Ryzen 4000 (Zen 3) on AM4
AMD Ryzen 4000 CPUs With 7nm+ Zen 3 Cores & X670 Flagship AM4 Platform Arriving End of 2020
* It looks like Zen 3 will be the last generation on AM4, then Zen 4 will move to AM5, adding support for DDR5 and PCIe 5.0.
* Since it's a little over 12 months between each release, you could see Zen 3 in Q4 2020 and Zen 4 in Q1 2022.
* Rumors about Zen 3 performance range from +8% IPC and +200 MHz to over 15% IPC increase and higher core counts. A core count increase (e.g. 12 cores per chiplet or more chiplets) seems unlikely to me, but "7nm+" might make it possible (20% greater transistor density).
Things to watch out for in January:
* 64-core Threadripper 3990X
* Possible 48-core Threadripper 3980X, which AMD may have decided is not worth releasing. You are probably either good with 32 cores or want as many as possible.
* Possible 8-channel memory for Threadripper
* Zen 2 APUs with up to 8 cores
* Use of either Vega or Navi graphics for the Zen 2 APUs
* Any improvements to media decoding? Such as AV1 or 8K. Is it called Video Core Next, Radeon Multimedia Engine, or both?
* LPDDR4X support?
* Possible successor to the fanless A6-9220C, with at least the +52% higher IPC of Zen.
* Possibly more details about ray tracing for the next-gen consoles.
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