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OcUK Threadripper 2 review thread

arc@css said:
For me, I think it looks like it will be either the 2920X or 1950/20X.

Might pair it with the Asrock X370 Taichi board.


Intel is still a possibility, but I think the value for money side of high end looks to be no further for me than an 8 core (e.g. 7820X).
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X370 Taichi is not compatible board :)
X399 Taichi is.
 
lnoton said:
Not really close to this but I envisaged reaching 4.7 on 4 cores on the 2950x. Not sure where I got that from and now a little dissappointed.
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Must say we need some more "common overclockers" to put their hands on them.
The reviewers do not have much time on their hands to fiddle with the CPUs.


@CAT-THE-FIFTH where is your review of the 2990WX. The one you had your cat posing on some other forums? ;)
 
RavenXXX2 said:
WX memory config really kills its performance.
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Gerard said:
Not according to oc3d, its a minor hiccup if anything.
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The fabric bandwidth is also compromised significantly compared to EPYC which is not a complaint at this price point but it will be one reason why certain workloads are majorly impacted.
32C/64T is a lot to support on a HEDT platform.

"With Threadripper, every die can talk to every die, but with the WX series we must note that because the fabric configuration is symmetrical and there are twice as many dies to consider, the bandwidth per die has been cut in half to 25GB/s, assuming a 1600MHz memory clock (50GB/s of bandwidth is available between dies on the dual-die parts).

Achieving a die-to-die connection for every Zeppelin on the Threadripper 2990WX multi-chip module comes at a cost to that inter-die bandwidth. Each of the four dies on the 2990WX MCM has a 25 GB/s bi-directional connection to every other die on the package, assuming DDR4-3200 in the motherboard's memory slots. That bandwidth is quite a bit lower than the 42 GB/s die-to-die bandwidth that the company specifies for inter-die communication on fully-connected Epyc multi-chip modules."
 
smilingcrow said:
The fabric bandwidth is also compromised significantly compared to EPYC which is not a complaint at this price point but it will be one reason why certain workloads are majorly impacted.
32C/64T is a lot to support on a HEDT platform.

"With Threadripper, every die can talk to every die, but with the WX series we must note that because the fabric configuration is symmetrical and there are twice as many dies to consider, the bandwidth per die has been cut in half to 25GB/s, assuming a 1600MHz memory clock (50GB/s of bandwidth is available between dies on the dual-die parts).

Achieving a die-to-die connection for every Zeppelin on the Threadripper 2990WX multi-chip module comes at a cost to that inter-die bandwidth. Each of the four dies on the 2990WX MCM has a 25 GB/s bi-directional connection to every other die on the package, assuming DDR4-3200 in the motherboard's memory slots. That bandwidth is quite a bit lower than the 42 GB/s die-to-die bandwidth that the company specifies for inter-die communication on fully-connected Epyc multi-chip modules."
Click to expand...

That is why the 2990WX benchmarks using 3600Mhz instead of 2933/3200 show such performance gain.
But that's nothing new tbh as this is how IF works.
 
Panos said:
That is why the 2990WX benchmarks using 3600Mhz instead of 2933/3200 show such performance gain.
But that's nothing new tbh as this is how IF works.
Click to expand...
I imagine the vast majority of people here are aware of that but that wasn't the focus which was the difference between the 4 die versions of TR2 v EPYC:

"With Threadripper, every die can talk to every die, but with the WX series we must note that because the fabric configuration is symmetrical and there are twice as many dies to consider, the bandwidth per die has been cut in half to 25GB/s, (50GB/s of bandwidth is available between dies on the dual-die parts). *

Achieving a die-to-die connection for every Zeppelin on the Threadripper 2990WX multi-chip module comes at a cost to that inter-die bandwidth. Each of the four dies on the 2990WX MCM has a 25 GB/s bi-directional connection to every other die on the package. *
That bandwidth is quite a bit lower than the 42 GB/s die-to-die bandwidth that the company specifies for inter-die communication on fully-connected Epyc multi-chip modules."

* Both assuming a 1600MHz memory clock.
 
While I was browsing youtube, what strike me was that Jay2Cents didn't had any Threadripper video today, but a video about his daughter.
Surprisingly according to AMD his audience is not for the HEDT market. :P

Aka, all the pro Nvidia and pro Intel content in his site came to roost.
 
Panos said:
While I was browsing youtube, what strike me was that Jay2Cents didn't had any Threadripper video today, but a video about his daughter.
Surprisingly according to AMD his audience is not for the HEDT market. :p

Aka, all the pro Nvidia and pro Intel content in his site came to roost.
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He's not capable of putting anything out that's worth watching from any vendor.
 
Silent_Scone said:
He's not capable of putting anything out that's worth watching from any vendor.
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So true. I use to watch a few of these YouTubers. Then realised they just have that personality that lets them come across well. In actual fact their content and quality is pretty low and I can get more info quicker elsewhere without having to listen to them.

That aside, they have done well for themseleves so I congratulate them on that.
 
lnoton said:
So true. I use to watch a few of these YouTubers. Then realised they just have that personality that lets them come across well. In actual fact their content and quality is pretty low and I can get more info quicker elsewhere without having to listen to them.

That aside, they have done well for themseleves so I congratulate them on that.
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Wouldn't even go that far with him, he has really disingenuous eyes. lol
 
lnoton said:
So true. I use to watch a few of these YouTubers. Then realised they just have that personality that lets them come across well. In actual fact their content and quality is pretty low and I can get more info quicker elsewhere without having to listen to them.

That aside, they have done well for themseleves so I congratulate them on that.
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And is not the only one. Hardware Unboxed for example, the guy cannot be given some faster ram to test for heaven sake.
His today video has 2990WX vs 7980XE using 3000Mhz and 3200n mhz ram respectively -_-.
While we saw from elsewhere 3600mhz works fine with the TR2 adding performance even compared to 3400mhz.
 
Panos said:
And is not the only one. Hardware Unboxed for example, the guy cannot be given some faster ram to test for heaven sake.
His today video has 2990WX vs 7980XE using 3000Mhz and 3200n mhz ram respectively -_-.
While we saw from elsewhere 3600mhz works fine with the TR2 adding performance even compared to 3400mhz.
Click to expand...

What sort of performance difference was there?
 
Panos said:
And is not the only one. Hardware Unboxed for example, the guy cannot be given some faster ram to test for heaven sake.
His today video has 2990WX vs 7980XE using 3000Mhz and 3200n mhz ram respectively -_-.
While we saw from elsewhere 3600mhz works fine with the TR2 adding performance even compared to 3400mhz.
Click to expand...

What was this review?
 
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