[G3D] Rumor: AMD Seeds Board partners Ryzen 3000 Samples - Runs 4.5 GHz and show 15% Extra IPC - Page 3 - Overclock.net - An Overclocking Community

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[G3D] Rumor: AMD Seeds Board partners Ryzen 3000 Samples - Runs 4.5 GHz and show 15% Extra IPC

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post #21 of 146 (permalink) Old 04-30-2019, 06:55 AM
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"Ito Technology claims that motherboard manufacturers have Ryzen 3000 engineering samples (ZEN2) in house based on 4 to 8 cores"

I am expecting these to be clocked lower due to being ES chips, as well as the four core parts being lower binned chips in general (being chiplets with 4 defective cores lasered off and all that).

Glad to hear that I will be able to drop a 3000 series CPU into my CH7Wifi without any issue too..should be a cheap upgrade for me once I sell off my 2700X.
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post #22 of 146 (permalink) Old 04-30-2019, 07:39 AM
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Take the sample they use in the Demo for CES. Try it for Clocks under 4.5GHz. See how it compares to 2700X. 15% seems about right. The CPU AMD uses to beat 9900K was probably 4.2-4.3GHz range.

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post #23 of 146 (permalink) Old 04-30-2019, 08:13 AM
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Quote: Originally Posted by Lee Patekar View Post
In Threadripper and Epyc yes, the I/O die reduces latency by lowering hops between cores and memory controllers and removing numa shenanigans. I don't know how it will perform latency wise on the desktop.
Well, guess it's one of those wait-and-see things.

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post #24 of 146 (permalink) Old 04-30-2019, 08:19 AM
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Quote: Originally Posted by azanimefan View Post
actually zen+ already basically matched intel clock for clock in ipc. What gave intel the advantage was it clock speed advantage.
Did you read Techspot's review between a 8700k vs a 2700x at 4Ghz? What gave Intel the advantage was AMD's latency when communicating between another CCX.

https://www.techspot.com/article/161...-core-8th-gen/

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post #25 of 146 (permalink) Old 04-30-2019, 08:46 AM
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Quote: Originally Posted by WannaBeOCer View Post
Did you read Techspot's review between a 8700k vs a 2700x at 4Ghz? What gave Intel the advantage was AMD's latency when communicating between another CCX.

https://www.techspot.com/article/161...-core-8th-gen/

That review is full of generalizations with no specs even given. It shows that AMD has a better SMT, Intel has better latency,up to a point. As soon as more cores are enabled the ring bus starts to lose its speed advantage.

None of these matter to people on OCN because the Intel could OC to 5GHz.(as far as performance crown)

With the move to 7nm Zen2 there is no reason not to expect lower latency and 10%IPC and higher clock speeds.

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post #26 of 146 (permalink) Old 04-30-2019, 09:13 AM
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Quote: Originally Posted by Redwoodz View Post
That review is full of generalizations with no specs even given. It shows that AMD has a better SMT, Intel has better latency,up to a point. As soon as more cores are enabled the ring bus starts to lose its speed advantage.

None of these matter to people on OCN because the Intel could OC to 5GHz.(as far as performance crown)

With the move to 7nm Zen2 there is no reason not to expect lower latency and 10%IPC and higher clock speeds.
The system specs are listed along with test results. This is one of the best test to compare IPC between these two architectures. The 15% IPC difference in handbrake doesn't magically go away when an Intel CPU is overclocked to 5Ghz, it just increases and same with the games that are also affected by AMD's latency. The lower latency will be a decent comparison compared to a 2700x which will most likely reflect the 15% IPC increase. We'll most likely see at most a 3-5% IPC increase compared to Intel's Coffee Lake.

Lower latency = higher IPC

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The second-gen Ryzen CPUs were tested on the Asrock X470 Taichi Ultimate and the Coffee Lake CPUs were on the Asrock Z370 Taichi. Both configurations used the same G.Skill FlareX DDR4-3200 memory with the 'Xtreme' memory profile and the same MSI GTX 1080 Ti Gaming X Trio for all the testing.

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post #27 of 146 (permalink) Old 04-30-2019, 09:16 AM
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9900K vs 2700X, both at 4GHz;

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post #28 of 146 (permalink) Old 04-30-2019, 09:37 AM
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Quote: Originally Posted by NightAntilli View Post
9900K vs 2700X, both at 4GHz
The next generation consoles hopefully will force developers to properly develop for Zen.

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post #29 of 146 (permalink) Old 04-30-2019, 10:19 AM
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So, now that the motherboard manufacturers have CPUs to work with, when can we expect them to start releasing solid specs?

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post #30 of 146 (permalink) Old 04-30-2019, 10:28 AM
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Quote: Originally Posted by WannaBeOCer View Post
The system specs are listed along with test results. This is one of the best test to compare IPC between these two architectures. The 15% IPC difference in handbrake doesn't magically go away when an Intel CPU is overclocked to 5Ghz, it just increases and same with the games that are also affected by AMD's latency. The lower latency will be a decent comparison compared to a 2700x which will most likely reflect the 15% IPC increase. We'll most likely see at most a 3-5% IPC increase compared to Intel's Coffee Lake.

Lower latency = higher IPC
What tertaries? Makes a huge difference with Zen.

Also this is an old article, many ageasa updates since then. Too many variables to list. That 15% in Handbrake def can shrink with memory tuning on Zen.

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