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*** AMD "Zen" thread (inc AM4/APU discussion) ***

ubersonic said:
TPU just released a massive review of differing Ryzen RAM benchmarks: https://www.techpowerup.com/reviews/AMD/Ryzen_Memory_Analysis/

2133-3200MHz covered at differin CAS and also pretty much all the speeds in between.

FPS difference decreases as the resolution rises due to games being GPU limited not CPU but at 1080p there's a 10FPS or higher difference in some games.

Still their conclusion was it's not really worth buying faster RAM as the increase in performance doesn't warrant the much higher increase in cost. They even said to go for 32GB 2133MHz for size future proofing over faster 16GB kits lol.
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Looks like another **** review, posting only average FPS, leaving out the effect fast DDR4 has on maximum and more importantly minimum frame rates.
 
I'm looking to get the ASRock X370 Taichi to go with a R7 1700... I'm interested in having 32GB of RAM @ 3200Mhz+... anyone know if that's possible?

I was hoping for 2 sticks of 16GB that would run at 3200.

The memory QVL list doesn't have anything like that.

Any thoughts guys?
 
shankly1985 said:
Really starting to like his channel, goes into much more detail then other so called big channels.

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Ha, nVidia's crappy DX12 drivers to blame, who'd have thought? This is exactly why CPU and GPU benchmarks are a ridiculous minefield. Ryzen plus Vega should be a killer combo in DX12, one hopes.
 
RobertSlowley said:
I'm looking to get the ASRock X370 Taichi to go with a R7 1700... I'm interested in having 32GB of RAM @ 3200Mhz+... anyone know if that's possible?

I was hoping for 2 sticks of 16GB that would run at 3200.

The memory QVL list doesn't have anything like that.

Any thoughts guys?
Click to expand...

Ive read reports of people dropping 16gb TridentZ 3200mhz into Taichi np, using XMP Profiles as well lol, but im guessing that was 2 sticks, not sure how 4 sticks would behave. For what its worth, Taichi is my motherboard of choice.
 
G.SKILL F4-3200C14D-16GTZ

Works fine a xmp voltage set manual but i am on a msi tomahawk

I have 32gb 4 x 8 's but i have just found out 1 stick is dead so i am on 16gb
 
humbug said:
So nVidia's DX12 driver is much less efficient than AMD's.

At least now it can be explained....
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Not just that, it somehow seriously affects Ryzen for some reason. Why in DX12 where the driver already plays such a small part is it affecting the performance on the CPU so much, compared to Intel.

Hmm, this certainly needs a deep dive from other places.
 
N19h7m4r3 said:
Not just that, it somehow seriously affects Ryzen for some reason. Why in DX12 where the driver already plays such a small part is it affecting the performance on the CPU so much, compared to Intel.

Hmm, this certainly needs a deep dive from other places.
Click to expand...

Agree
 
Rossi~ said:
DX12 has been a farce so far. Hopefully it can be picked apart and used more effectively in the coming years.
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Yes and DX12 was always going to be a farce, its Microsoft, Vulkan is shaping up to be vastly superior.
I know one very big Game Dev who ain't even going to use DX at all, just Vulkan...
 
N19h7m4r3 said:
Not just that, it somehow seriously affects Ryzen for some reason. Why in DX12 where the driver already plays such a small part is it affecting the performance on the CPU so much, compared to Intel.

Hmm, this certainly needs a deep dive from other places.
Click to expand...

It looks like the Nvidia driver is not optimized for Ryzen and somehow is gimping it. The problem is that all the reviews have used a GTX 1080 or higher and inadvertantly are not showing Ryzen's true potential due to the gpu driver.
It doesn't help that AMD have no high end card and their DX11 driver is not multi-threaded so we can't even see if the Ryzen can perform better in older games than what the Nvidia driver is showing.
 
shankly1985 said:
Really starting to like his channel, goes into much more detail then other so called big channels.

Click to expand...
that is one amazing research he pulled on he Rie of the tomb raider, really great work.

fs123 said:
It looks like the Nvidia driver is not optimized for Ryzen and somehow is gimping it. The problem is that all the reviews have used a GTX 1080 or higher and inadvertantly are not showing Ryzen's true potential due to the gpu driver.
It doesn't help that AMD have no high end card and their DX11 driver is not multi-threaded so we can't even see if the Ryzen can perform better in older games than what the Nvidia driver is showing.
Click to expand...
it's still only 1 review, for 1 game, you cannot just blame it all on Nvidia drivers, adoredTV shed light on the issue, but let's hope someone with more hardware sees this and decides to do an extensive test for AMD vs Nvidia for Ryzen bench, or maybe wait for vega, hopefully the release driver would be ready to rumble.
 
fs123 said:
It looks like the Nvidia driver is not optimized for Ryzen and somehow is gimping it. The problem is that all the reviews have used a GTX 1080 or higher and inadvertantly are not showing Ryzen's true potential due to the gpu driver.
It doesn't help that AMD have no high end card and their DX11 driver is not multi-threaded so we can't even see if the Ryzen can perform better in older games than what the Nvidia driver is showing.
Click to expand...

lol... you didn't even watch the video, he put two 480 in cross-fire and the Intel CPU's gained performance while Ryzen closed the gap to nothing, there is simply something wrong with nVidia's DX12 driver in that it actually behaves in much the same way as if its DX11, nVidia's API is incapable of splitting the threads, its still dumping everything onto one thread where AMD's API is splitting workloads across multiple threads.

It explains why AMD do so much better than nVidia in other games where the API also splits the threads.
 
Great work Jim does over at adored tv he is a fantastic investigator into all this ....no one else takes the time to do so ...Now we just need to know what is really going on with Nvidia surly with all the money they are making from us you would think things would be run better or are they playing dirty again :( but that would not make any sense..or is it Intel playing dirty
 
harney said:
Great work Jim does over at adored tv he is a fantastic investigator into all this ....no one else takes the time to do so ...Now we just need to know what is really going on with Nvidia surly with all the money they are making from us you would think things would be run better or are they playing dirty again :(
Click to expand...

nVidia are not playing dirty their DX12 API is just a bit crap, even Intel are loosing performance because of their API.

nVidia not doing well in DX12 is actually old news.
 
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