[G3D] Rumor: AMD Seeds Board partners Ryzen 3000 Samples - Runs 4.5 GHz and show 15% Extra IPC - Page 2 - 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 #11 of 146 (permalink) Old 04-29-2019, 09:28 PM
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Quote: Originally Posted by UltraMega View Post
This was said by someone on the G3D forum. I couldn't have said this better, so I am quoting:

"I find the 15% claim too good to be true. According to Guru3D's benchmarks, the 9900K is only about 3.4% better in IPC compared to the 2700X. A 15% boost would mean Zen 2 will have a 11.6% IPC advantage over the 9900K!

A 15% boost in single-threaded performance would be more realistic (that would make it nearly as fast as the 9900K), based on both IPC and clock speed improvements."

If this turns out to be true we are going to see an interesting price war, hopefully.
I thought the 9900k was closer to 10% better in IPC.
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post #12 of 146 (permalink) Old 04-29-2019, 09:50 PM
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Quote: Originally Posted by Drake87 View Post
I thought the 9900k was closer to 10% better in IPC.
The IPC gap is around 3% but it could go up to 15% if apps depend on cache latency. I think the improvement is to the cache latency which would bump Zen to a 5% IPC improvement over Coffee Lake.

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post #13 of 146 (permalink) Old 04-30-2019, 02:16 AM
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Quote: Originally Posted by WannaBeOCer View Post
15% IPC increase over Zen+ would match SkyLake(SKL-Coffee Lake since IPC hasn't increased) in task that latency affected Zen/Zen+ like handbrake and some other games. I don't think we'll see an overall 15% increase in IPC.
actually zen+ already basically matched intel clock for clock in ipc. What gave intel the advantage was it clock speed advantage.

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post #14 of 146 (permalink) Old 04-30-2019, 02:47 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.
Thats what I was going to say IPC wise.
Zen1 = Haswell in most tasks.
Zen+ = Skylake in most tasks.


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post #15 of 146 (permalink) Old 04-30-2019, 02:52 AM
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9900k is 8 core 16 thread, and insanely expensive.
A 12-core ryzen 2 with 15% IPC gain, at a cheaper price, with equivalent performance (as no doubt clocks will be lower than the 9900k) will be around equal in ST perf, and easily beat it in MT perf. It'll be a bloodbath in AMD's favour performance and value-wise.

But everyone will still buy Intel because mindshare and their logo is blue LOL.

EDIT: Gaming performance will still be a bit of a mystery due to ringbus vs. infinity fabric argument. Also, the IO die may present additional latency issues.
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post #16 of 146 (permalink) Old 04-30-2019, 02:59 AM
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Quote: Originally Posted by Jaju123 View Post
EDIT: Gaming performance will still be a bit of a mystery due to ringbus vs. infinity fabric argument. Also, the IO die may present additional latency issues.
The IO die, unless I'm mistaken, was introduced, primarily or secondarily, to help reduce latency.

So, theoretically, it should be BETTER.

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post #17 of 146 (permalink) Old 04-30-2019, 04:01 AM
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If its true that these will work in the current chipsets this will be amazing for amd, instant buy from me even a high clocked six core.

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post #18 of 146 (permalink) Old 04-30-2019, 04:13 AM
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am i the only one who thinks that the IPC gain is due to the improvements with latency?
e.g. better and smoother workflow hence cores wastes less cycles between execution.

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post #19 of 146 (permalink) Old 04-30-2019, 04:21 AM - Thread Starter
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Quote: Originally Posted by Jaju123 View Post
9900k is 8 core 16 thread, and insanely expensive.
A 12-core ryzen 2 with 15% IPC gain, at a cheaper price, with equivalent performance (as no doubt clocks will be lower than the 9900k) will be around equal in ST perf, and easily beat it in MT perf. It'll be a bloodbath in AMD's favour performance and value-wise.

But everyone will still buy Intel because mindshare and their logo is blue LOL.

EDIT: Gaming performance will still be a bit of a mystery due to ringbus vs. infinity fabric argument. Also, the IO die may present additional latency issues.
Of CORES, this is all that really matters.

If this AMD series can hit even just 4.2ghz stock with a 10 %IPC gain, I am very ready to switch my business recommendations on CPUs over to AMD for the foreseeable future. Considering the cost, for anyone who isn't looking to max out performance on very specific and costly intel gains, AMD is going to be a clear winner.

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post #20 of 146 (permalink) Old 04-30-2019, 06:15 AM
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Quote: Originally Posted by ToTheSun! View Post
The IO die, unless I'm mistaken, was introduced, primarily or secondarily, to help reduce latency.

So, theoretically, it should be BETTER.
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.
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