By: anon (anon.delete@this.mailinator.com), December 30, 2020 3:50 am
Room: Moderated Discussions
Dummond D. Slow (mental.delete@this.protozoa.us) on December 29, 2020 6:00 pm wrote:
> Socket AM4 will not go higher than 16 cores I am afraid. The package and the IO chiplet is only developed
> for use with two CPU chiplets and one has 8 cores. It is not totally impossible to do more but AMD
> simply didn't want to do this and nothing suggests they are planning such thing secretly.
>
> AM5 might bring higher core count with Zen4, if one chiplet is say 12 or 16 cores.
> For AM4, 16 is the top, there won't be Zen 4 for it acordign to leaked roadmaps.
>
Beyond just "they chose not to do it", the fact that 128-bit DDR4 already starts to bottleneck rather hard at 16 cores is a pretty good reason. Scaling beyond 16 would probably be really disappointing on any real loads.
> Socket AM4 will not go higher than 16 cores I am afraid. The package and the IO chiplet is only developed
> for use with two CPU chiplets and one has 8 cores. It is not totally impossible to do more but AMD
> simply didn't want to do this and nothing suggests they are planning such thing secretly.
>
> AM5 might bring higher core count with Zen4, if one chiplet is say 12 or 16 cores.
> For AM4, 16 is the top, there won't be Zen 4 for it acordign to leaked roadmaps.
>
Beyond just "they chose not to do it", the fact that 128-bit DDR4 already starts to bottleneck rather hard at 16 cores is a pretty good reason. Scaling beyond 16 would probably be really disappointing on any real loads.