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Jizz_Beard_thePirate on 21 August 2021
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Cyran said:
Captain_Yuri said:

I'd be surprised if AMD disables it in Zen 4 as that would be a pretty easy selling point even if many consumers may not get much use out of it.

Because if you going to let people run AVX-512 you also going to have to support the power consumption and heat it requires.  Good article by AnandTech on just how much more power is require when running AVX-512 work loads

https://www.anandtech.com/show/16495/intel-rocket-lake-14nm-review-11900k-11700k-11600k/5

That's true. Zen 4s 16 cores is rumoured to have a TDP of 170 watts while being on TSMC's 5nm which is up from 5950x 105 Watts TDP. If they end up disabling AVX512, then they really need to make sure those big cores are able to beat Raptor Lake handly which should be it's direct competition. Especially as Intel is going DDR5 and PCI-E Gen 5 while Zen 4 is rumoured to have DDR5 but only PCI-E Gen 4.

It will be interesting to see how it all plays out.



                  

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