Ryzen and Threadripper

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Grant (SSSF)
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Message 2014304 - Posted: 5 Oct 2019, 22:33:41 UTC

Overclocked Ryzen 9 3950X outperforms 24-core 2970WX in Cinebench (It beats Intel's i9-9980XE, too).

In TechSpot’s own testing, both the 3900X and 3700X maxed out at 4.3 GHz on a 360mm AIO.
And finally, to the results. The 3950X simply obliterates AMD’s current 16-core monster, the Threadripper 2950X, scoring 24% higher. It falls a mere 10% behind the 24-core 2970WX. Overclocked to 4.3 GHz results are even more impressive as it can improve its score by 11%, pushing 1% past the 2790WX.

According to online results for the 18-core i9-9980XE, that chip can only achieve a ~3700 score at stock and ~4200 overclocked, both of which are about 200 points behind the 3950X when similarly configured.

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Message 2014324 - Posted: 6 Oct 2019, 0:19:44 UTC - in response to Message 2014304.  

Overclocked Ryzen 9 3950X outperforms 24-core 2970WX in Cinebench (It beats Intel's i9-9980XE, too).

In TechSpot’s own testing, both the 3900X and 3700X maxed out at 4.3 GHz on a 360mm AIO.
And finally, to the results. The 3950X simply obliterates AMD’s current 16-core monster, the Threadripper 2950X, scoring 24% higher. It falls a mere 10% behind the 24-core 2970WX. Overclocked to 4.3 GHz results are even more impressive as it can improve its score by 11%, pushing 1% past the 2790WX.

According to online results for the 18-core i9-9980XE, that chip can only achieve a ~3700 score at stock and ~4200 overclocked, both of which are about 200 points behind the 3950X when similarly configured.


So a TR 2950X would have to drop significantly in price to become competitive in the "bang for buck" arena.

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Message 2014358 - Posted: 6 Oct 2019, 10:40:08 UTC - in response to Message 2014324.  

Overclocked Ryzen 9 3950X outperforms 24-core 2970WX in Cinebench (It beats Intel's i9-9980XE, too).

In TechSpot’s own testing, both the 3900X and 3700X maxed out at 4.3 GHz on a 360mm AIO.
And finally, to the results. The 3950X simply obliterates AMD’s current 16-core monster, the Threadripper 2950X, scoring 24% higher. It falls a mere 10% behind the 24-core 2970WX. Overclocked to 4.3 GHz results are even more impressive as it can improve its score by 11%, pushing 1% past the 2790WX.

According to online results for the 18-core i9-9980XE, that chip can only achieve a ~3700 score at stock and ~4200 overclocked, both of which are about 200 points behind the 3950X when similarly configured.


So a TR 2950X would have to drop significantly in price to become competitive in the "bang for buck" arena.

Tom


But at a cost of high power comsumption, it has a tpd of 180 watts and if you run somthing for 24/7 it can become expensive quickly.
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Message 2014361 - Posted: 6 Oct 2019, 10:59:09 UTC - in response to Message 2014358.  

Overclocked Ryzen 9 3950X outperforms 24-core 2970WX in Cinebench (It beats Intel's i9-9980XE, too).
In TechSpot’s own testing, both the 3900X and 3700X maxed out at 4.3 GHz on a 360mm AIO.
And finally, to the results. The 3950X simply obliterates AMD’s current 16-core monster, the Threadripper 2950X, scoring 24% higher. It falls a mere 10% behind the 24-core 2970WX. Overclocked to 4.3 GHz results are even more impressive as it can improve its score by 11%, pushing 1% past the 2790WX.
According to online results for the 18-core i9-9980XE, that chip can only achieve a ~3700 score at stock and ~4200 overclocked, both of which are about 200 points behind the 3950X when similarly configured.

So a TR 2950X would have to drop significantly in price to become competitive in the "bang for buck" arena.

Tom
But at a cost of high power comsumption, it has a tpd of 180 watts and if you run somthing for 24/7 it can become expensive quickly.
Not to mention the poor memory access by certain cores that Tom should well know about by now (it's sorta like their old module based CPU's where a pair of cores shared a single FPU, a complete bottleneck, but on the memory access side of things in this case). ;-)

Cheers.
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Message 2014371 - Posted: 6 Oct 2019, 12:27:27 UTC - in response to Message 2014361.  


But at a cost of high power consumption, it has a tpd of 180 watts and if you run something for 24/7 it can become expensive quickly.
Not to mention the poor memory access by certain cores that Tom should well know about by now (it's sorta like their old module based CPU's where a pair of cores shared a single FPU, a complete bottleneck, but on the memory access side of things in this case). ;-)

Cheers.


Both 2970wx and 2990wx have the memory bottleneck issue.
However, the 2920wx/2950wx do not. I regret not going with a 2950wx on hind sight. But it wasn't until I had that 2990wx and discovered how severe the memory bottleneck was for the processing that Seti requires that it become clear a TR 2950wx would have been the best choice.

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Message 2014421 - Posted: 6 Oct 2019, 19:09:16 UTC - in response to Message 2013400.  

Hello All,

Our next number 1 crunching CPU exist!

https://www.reddit.com/r/Amd/comments/d94mum/ryzen_9_3900_310ghz_65w/

Happy crunching

Regards,



If priced at $450 this would be the best processor for 24/7 computing in a very long time. Already the best price I can get on a 3900x in my area is $570. I missed the boat for even moderate availability so now Microcenter is over MSRP.

I was going to underclock/set TDP to 65w anyway, this will save me at least $100. Even more if it hits at $430.
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Message 2014483 - Posted: 7 Oct 2019, 0:42:36 UTC - in response to Message 2014421.  

I manage to snag my 3900X for $450 about 3 weeks after release. Been a very good investment. Hopefully AMD will get the inventories back in shape shortly.
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Message 2015086 - Posted: 11 Oct 2019, 21:07:57 UTC

What temperatures are normal for a 3900x while crunching? Mine reaches 80 Celsius using the avx app. Is it safe? Cooler is a noctua nh d15s.
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Message 2015087 - Posted: 11 Oct 2019, 21:28:29 UTC - in response to Message 2015086.  

What temperatures are normal for a 3900x while crunching? Mine reaches 80 Celsius using the avx app. Is it safe? Cooler is a noctua nh d15s.

That sounds about right. Mine usually hovers in the mid-70's while crunching. I have custom loop cooling with a 360mm radiator and the cpu running at fixed 4150Mhz at 1.24V.
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Message 2015089 - Posted: 11 Oct 2019, 21:48:31 UTC - in response to Message 2013476.  

Here in the Netherlands power is not cheap something like 0.23 / 0.25 euro Kwh.
Expensive, I pay 0.21965/KWh. Always Off-Peak hours (Groene Stroom Zeker Altijd Daltarief). But then I use only low-power Android devices to crunch Seti. :)
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Message 2015102 - Posted: 11 Oct 2019, 22:41:56 UTC - in response to Message 2015086.  

What temperatures are normal for a 3900x while crunching? Mine reaches 80 Celsius using the avx app. Is it safe? Cooler is a noctua nh d15s.
For 24/7/365 use, 70°c is my personal limit (the odd spike to 75°, but not sustained).
My Cooler Master ML240s keep my i7-8700K's at around 70°c even when the ambient temperatures get up to the high 30°s to low 40°s, all cores processing using the AVX application (or supporting the GPUs).
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Message 2015122 - Posted: 12 Oct 2019, 0:06:28 UTC - in response to Message 2014251.  

Very cool crunchin'!?

AMD Ryzen 9 3900 Tested: Unreleased 65W Processor Sets World Records

... the world record for 12-core CPUs with the Ryzen 9 3900 clocked at 5.5 GHz (all threads)...
Doesn't matter, it's not available for us builders, it's for OEM and system builders only.

https://wccftech.com/amd-officially-launches-ryzen-9-3900-and-ryzen-5-3500x/
The price is what's interesting here as you won't be able to buy it unless you buy it in a prebuilt from an OEM or System Integrator.

And in case you were waiting for the 3500X, it is only for the Chinese market.
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Message 2015127 - Posted: 12 Oct 2019, 0:09:40 UTC

Except it has started getting cold around here I would holler, come on November..... :)
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Message 2015131 - Posted: 12 Oct 2019, 0:43:45 UTC - in response to Message 2015102.  

The AMD Ryzen beasties are a different sort of animal compared to Intel cpus. Especially so with the 7nm cpus. A lot of concentrated heat in a small area. The limit on the Ryzen 3000 series is supposed to be 95°C. Best to keep it under 85°C. for constant loading just like the older Zen 1+ cpus.
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Message 2015133 - Posted: 12 Oct 2019, 0:52:23 UTC - in response to Message 2015131.  
Last modified: 12 Oct 2019, 1:04:08 UTC

The AMD Ryzen beasties are a different sort of animal compared to Intel cpus. Especially so with the 7nm cpus. A lot of concentrated heat in a small area. The limit on the Ryzen 3000 series is supposed to be 95°C. Best to keep it under 85°C. for constant loading just like the older Zen 1+ cpus.
And the limit for my CPU is 100°c. But electromigration is electromigration, and the smaller the manufacturing process, the bigger an issue it is. For long term reliability I've always gone with 75% of maximum rated load for sustained loads on a PSU, and hence why for me 70°c is what i'm comfortable with for my CPU for 24/7/365 work.
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Message 2015154 - Posted: 12 Oct 2019, 7:05:05 UTC - in response to Message 2015133.  
Last modified: 12 Oct 2019, 7:07:15 UTC

I don't think you can even operate at nominal base clock for Ryzen 3000 cpus and keep them under 70° C. under 24/7 load unless you are using something better than normal ambient water cooling.
I don't think you can run anything over 1.0V to keep them under 70° C. under full compute loading 24/7.
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Message 2015545 - Posted: 15 Oct 2019, 22:23:53 UTC - in response to Message 2015154.  

you have to do some sort of high end water loop. that just for the cpu. with a massive radiator
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Message 2015547 - Posted: 15 Oct 2019, 22:29:01 UTC - in response to Message 2015545.  

you have to do some sort of high end water loop. that just for the cpu. with a massive radiator

If you want to run the 3900X at something close to its core clock spec, you need water cooling for a 24/7 compute load. I have mine set at a fixed all-core clock of 4150Mhz which is where the cpu would run at on Auto if it had to run compute for 24/7. But I do it at a lot less voltage than what Auto shoves into the chip.
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Message 2015548 - Posted: 15 Oct 2019, 22:33:26 UTC - in response to Message 2015547.  

you have to do some sort of high end water loop. that just for the cpu. with a massive radiator

If you want to run the 3900X at something close to its core clock spec, you need water cooling for a 24/7 compute load. I have mine set at a fixed all-core clock of 4150Mhz which is where the cpu would run at on Auto if it had to run compute for 24/7. But I do it at a lot less voltage than what Auto shoves into the chip.


What kind of turnkey liquid cooling solution would you probably go with if you were starting from scratch....

And has anyone heard any more solid rumors about the 3950x arrival?

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Message 2015554 - Posted: 15 Oct 2019, 23:16:02 UTC - in response to Message 2015548.  
Last modified: 15 Oct 2019, 23:36:24 UTC

I still think the AlphaCool Eisbaer AIO kits are the best compromise between an AIO and a full custom water loop. The parts used are head and shoulders above the standard generic AIO's offered by all the normal PC cooling vendors which all are based on the Asetek or Coolit hardware which is not made for 24/7 compute loads running for several years.

Reasonable priced and not much more expensive than the consumer generic AIO kits and about half what a custom cooling loop will cost you.

https://www.amazon.com/Alphacool-Eisbaer-360-Water-Cooler/dp/B01HQ6DCHI/ref=sr_1_1?crid=1RJTKRVQC4FKE&keywords=alphacool+eisbaer+360&qid=1571180389&sprefix=Alphacool+eisb%2Caps%2C215&sr=8-1

https://www.amazon.com/Alphacool-11287-Eisbaer-280-CPU/dp/B01HQ6DE4O/ref=sr_1_6?crid=1RJTKRVQC4FKE&keywords=alphacool+eisbaer+360&qid=1571180389&sprefix=Alphacool+eisb%2Caps%2C215&sr=8-6

And for comparison about what my current custom cooling hardware would cost in kit form.

http://www.xs-pc.com/watercooling-kits/raystorm-pro-d5-photon-rx360-watercooling-kit-intelamd
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