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A lot of comment mentioned about IPC, but something obvious no one has mentioned ( yet ).

For Server is it also about core count. For the same TDP AMD offer 64 Core option. On a Dual Socket System that is 128 Core. Zen 3 Milan is also socket compatible with Zen 2 Rome.

Basically for Server Intel has been stuck on 14nm for far too long. The first 14nm Broadwell Xeon was released in 2015, and as of mid 2021 Intel barely started rolling out 10nm Xeon Part based on IceLake.

That is half a decade of stagnation. But we are now finally getting 7nm server part, 5nm with Zen 4 and and SRAM Die Stacking. I am only hoping EUV + DDR5 will bring Server ECC DRAM price down as well. In a few years time we will have affordable ( relatively speaking ) Dual Socket 256 Core Server with Terabyte of RAM. Get a few of those and be done with scaling for 90% of us. ( I mean the whole StackOverflow is Served with 9 Web Server [1] on some not very powerful hardware [2] )

[1] https://stackexchange.com/performance

[2] https://nickcraver.com/blog/2016/03/29/stack-overflow-the-ha...




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