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

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Mahboi

Golden Member
Apr 4, 2024
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I don't think they're all that questionable (aside from perhaps the CCX layout but I've had issues with heterogeneous multicore for a while.) Zen5 is a performance and efficiency improvement over Zen4 with no major shrink. It's fine. It's a better uarch than Zen4. Folks just got a little over-enthusiastic, egged on by some of the usual suspects, in the run-up to release.
Do we have numbers on thermal/area improvements from N5 to N4P?
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
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review is out 😭😭😭😭
This seems like a bit of an overreaction. Even though absolute performance seems a bit disappointing, overall energy efficiency is up quite a lot, as is gaming performance (after the bios update). In a device with a better cooling solution than whatever garbage Asus cobbled together into the Zenbook S16, it's an excellent chip.

If anything, the review shows the Zenbook S16 has a poor thermal design and compromised too much to be thin and light.
 
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Abwx

Lifer
Apr 2, 2011
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So this means H370x is more than double the performance of the 155H at 15W, probably almost double the 185H too. Good luck to to Lunar Lake to catch up with advertised 50% improvement.

Really funny people here are acting like these aren't the best mobile CPUs outside of Apple.

15W is the most favourable case, but this mean that AMD made a very good work to keep the uncore power in check at low power, overall Strix consume close to 0.5x the power at same perfs than MTL, wich is instrumental with devices like the Zenbook wich has a 13mm thickness and can hardly deal with more than 30W.

As for Intel their LNL@15W does 8200 pts in CB R23, to compare to Strix s 10400 pts or even the Z1 extreme wich score 8600 pts acording to the same NBC review that is now translated :

 

poke01

Golden Member
Mar 8, 2022
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That's a bit much. SPEC takes maybe two hours to set up, including installing and writing up a config. It's not some deep and forbidden art.
Oh please, you’re telling me that Paul alcorn can do proper SPEC tests. The mainstream tech/media cannot do it and nor should they.

It’s easy for you but proper testing takes. time. Even Aandtech faltered and didn’t catch the HX 370 not boosting to the full clock and their tests were automated and they run it multiple times. David I believe is the only one with right SPEC results for mobile Zen.
 
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gdansk

Platinum Member
Feb 8, 2011
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AMD should pay someone for better memory controllers. Strix is way behind MediaTek, Intel, Qualcomm SOCs. 1000MT/s less can't be helpful for that GPU.
 

jdubs03

Senior member
Oct 1, 2013
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Oh please, you’re telling me that Paul alcorn can do proper SPEC tests. The mainstream tech/media cannot do it and nor should they.

It’s easy for you but proper testing takes. time. Even Aandtech faltered and didn’t catch the HX 370 not boosting to the full clock and their tests were automated and they run it multiple times. David I believe is the only one with right SPEC results for mobile Zen.
Someone just needs to use the ProArt 16. As of now that’s most capable of boosting.
 

StinkyPinky

Diamond Member
Jul 6, 2002
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Interesting post by David Huang;


"The consequence of Zen 5's initial release to most media outlets for testing on ultra-thin notebooks is that you can't even find a few Cinebench tests where a single core ran at full frequency without being throttled..."

No wonder AT couldn't measure any ST IPC increase in Specint while David measured around 10% jump vs Zen 4 mobile part.

Another comment (spicey language):


edit;
One more


"I suggest you wait until I finish running SPEC and GB under Linux in a few days before drawing any conclusions.In addition, if you have read my previous analysis of performance bottlenecks, you will know that even for a 6-wide 4ALU x86 processor, the performance bottleneck is mostly not in the decoding width or the number of ALUs."

Thats the point I've been trying to make with my own numbers I posted. This laptop is very thin, perhaps even thinner than the Air. It's so thin the USB-A port is indented so they can fit it. It ain't a fair representation of the SKU's, but even with such a thin laptop I think the numbers it does post are pretty good!
 

jpiniero

Lifer
Oct 1, 2010
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