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

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poke01

Golden Member
Mar 8, 2022
1,864
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At Computex they claimed ZEN5 trashes 14900K. If these Numbers are right, 14900K will be slightly faster instead
I am sorry but the 9700x only consumes up to 88 watts. If the 14900k needs >150 watts to beat the 9700x I don’t consider that a win.

Efficiency is king. Also don’t trust whatever Intel or AMD say in their marketing it’s all cherry picked.
 

SteinFG

Senior member
Dec 29, 2021
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B840 has even worse PCIe support than A620, huh. All intel B760 motherboards I see feature 4.0(or 5.0) x16 GPU slot though, so why did AMD jump back to 3.0 lol

edit: I figured it out, they want to choke out the 1x4 GPU connection on 8500G even more, it's a genious plan. Because connecting a low-end processor to low-end motherboard must be punished
 
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Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,442
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I guess my paltry scores at very low power vs Zen 4 and Zen 5 have a lot to do with my 12nm IOD vs the 6nm. I didnt bother with going JDEC speeds, I dont think the power addition would have done much.
Zen 3 has the same problem- go above JEDEC and IOD gobbles power. You'd probably notice a pretty good uplift.
 

Abwx

Lifer
Apr 2, 2011
11,418
4,172
136
Really? We had 3 Gens of Chiplet Ryzens now and you still don't know how they work? There is no benefit of that extra Cache. Every Gen the difference between 8 Core and 16 Core in Gaming was negligible
According to Computerbase the 13900K/14900K are 14/16% faster than the 5800X3D at 720p, you think that this advantage increase at 1080p.?.

Or that it will rather decrease to something like 10%.?.

In wich case 12% faster than the 5800X3D would be slightl faster than these Intel chips, btw i added the 13900K in the comparison because it s set at 253W while the 14900K is at unlimited power in their benches.


 

MS_AT

Member
Jul 15, 2024
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Was there any mention that Strix-Point has narrower SIMD units vs GraniteRidge? I took a brief look at the slides, but nothing there. Would be grateful if someone could point them out. Also if I remember correctly David Huang did not measure 2 cycle FADD latency...
 
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Geddagod

Golden Member
Dec 28, 2021
1,295
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At Computex they claimed ZEN5 trashes 14900K. If these Numbers are right, 14900K will be slightly faster instead
AMD marketing moment
According to Computerbase the 13900K/14900K are 14/16% faster than the 5800X3D at 720p, you think that this advantage increase at 1080p.?.

Or that it will rather decrease to something like 10%.?.

In wich case 12% faster than the 5800X3D would be slightl faster than these Intel chips, btw i added the 13900K in the comparison because it s set at 253W while the 14900K is at unlimited power in their benches.


Techpowerup has the 13900k being 15% faster than the 5800x3d at 1080p.
Either way, doesn't look like Zen 5 will be much, if at all, faster than RPL.
 

yuri69

Senior member
Jul 16, 2013
513
902
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Was there any mention that Strix-Point has narrower SIMD units vs GraniteRidge? I took a brief look at the slides, but nothing there. Would be grateful if someone could point them out. Also if I remember correctly David Huang did not measure 2 cycle FADD latency...
The "FP slide" doesn't even have an asterisk mentioning the <512b SIMDs. AMD marketing...
 

Bigos

Member
Jun 2, 2019
142
329
136
Isn't the rename stage being separate between INT and FP a new thing? Also, NSQ (the non-scheduling queue) was before the FP schedulers, but now it is before the FP rename. It looks like Zen 5 decouples the FP from INT processing even more, stalling INT less when FP is full... Interesting.

Source: the slides from AT article: https://www.anandtech.com/show/2146...bile-strix-point-with-rdna-35-igpu-xdna-2-npu
 

Abwx

Lifer
Apr 2, 2011
11,418
4,172
136
AMD marketing moment

Techpowerup has the 13900k being 15% faster than the 5800x3d at 1080p.
Either way, doesn't look like Zen 5 will be much, if at all, faster than RPL.
There s dedicated slides for the comparison, think what you want.






 
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