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Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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EPYC 4005 was launched yesterday.
Compared to EPYC 4004,
– there are no 4c, 8c-105W, and 12c-X3D models anymore,
– a 16c-65W model was added,
– TDP of the 16c-X3D top dog was bumped from 120W to 170W.
The 16c-X3D model is still heterogeneous, like its Ryzen counterpart.

https://www.amd.com/en/products/processors/server/epyc/4005-series.html
https://www.amd.com/en/newsroom/pre...ls-epyc-4005-series-processors-deliverin.html

Article with AMD's slide set:
https://www.theregister.com/2025/05/13/amd_epyc_4005/
 

Unsurprisingly the 16 Core models are a lot faster than the top Raptor Lake Xeon... since the Cinebench Accelerators wouldn't really work there.
They are not merely "not really working there", they are altogether disabled by Intel in Xeons. (Always have been, in all small-socket Xeon generations since Intel put heterogeneous cores into the corresponding laptop CPUs.)
 
As long as it s not loaded, that is, if you just use it as a e-reader, otherwise once it s loaded with more than a single core it will drain 30W.
It's not gonna draw this much platform power on average. Boosts are very transient in normal use.
Also LNL 1t power is 12-15W iirc.
 
Even a browser like Firefox is multithreaded since ages, there s no more purely ST real tasks, so even with transients there will be several cores loaded.
Very true.

1747427244032.png

This is idle activity on my main laptop. Just tons of browser tabs in Chrome, Firefox and Brave.
 
You re hitting 100% on several cores when just downloading a page with a 100-300Mb internet connection
Not really, no, lmao.
so a transient but at full 30W on such a laptop.
You're not doing full 30W there over the full workload and most LNL SKUs are 17W anyhow.

Crikey, why do *I* have to defend Intel in a Z5 thread of all places.
 
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