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

muon said:
True I'll try it in a bit.

Anyone else confirm what their stock clocks are on the Tomahawk?

I'm getting 3.2ghz (cpu-z and and hwmon) for the r7 1700 which doesn't make sense. 3.75ghz single core boost.

Also noticed it uses upto 1.336v under single core boost.
Click to expand...

3.2Ghz on all cores, however as stated 3.75 on single when boost. Easily running 3.8Ghz on 1.2v topping out @ 53'c when running a Cinebench R15.

However, World of Tanks and World of Warships don't like the overclock using RyzenMaster, causing disconnects and stutter (fps @ 120), so will have a play tomorrow in BIOS to see if it is more stable. All other games l have played today are fine (The Division and Ghost Recon Wildlands).
 
CEUOTC said:
3.2Ghz on all cores, however as stated 3.75 on single when boost. Easily running 3.8Ghz on 1.2v topping out @ 53'c when running a Cinebench R15.

However, World of Tanks and World of Warships don't like the overclock using RyzenMaster, causing disconnects and stutter (fps @ 120), so will have a play tomorrow in BIOS to see if it is more stable. All other games l have played today are fine (The Division and Ghost Recon Wildlands).
Click to expand...

WOT doesn't like AMD GPU overclocks :/ but doesn't surprise me for CPU overclocks either. Is an archaic DX9 engine
However how you managed 120fps? I have tried on GTX1080 @2190 core at 2560x1440 with the 6700K @ 4.8, 4930K @4.5, 4820K @ 5Ghz and never managed to see more than 108 on zoom out mode. Only zoom in and that 117-118 never 120. And exactly the same perf regardless if GTX1080 was stock, or OCed at 2190. Same applied to the Nano also. Same FPS regardless if is 1000/500, 1000/550 or 1100/550.
 
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Panos said:
WOT doesn't like AMD GPU overclocks :/ but doesn't surprise me for CPU overclocks either. Is an archaic DX9 engine
However how you managed 120fps? I have tried on GTX1080 @2190 core at 2560x1440 with the 6700K @ 4.8, 4930K @4.5, 4820K @ 5Ghz and never managed to see more than 108 on zoom out mode. Only zoom in and that 117-118 never 120. And exactly the same perf regardless if GTX1080 was stock, or OCed at 2190. Same applied to the Nano also. Same FPS regardless if is 1000/500, 1000/550 or 1100/550.
Click to expand...

I think it was down to the overclock giving duff gen. Usually lock it at 60fps.
 
eyetrip said:
If you have the time, would you be able to do a thirty minute run of realbench stress test for 16 (assuming have thirty) and let me know how it goes.

I just need to figure out if I need to send all this Ryzen rubbish back, or stop running that test.
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Sure, I can do this tomorrow :)

Seems stable at 4GHZ 1.4V set in BIOS. Did 30mins of prime95 okay, temps were around 68-72c, but I'll do Realbench for you.
 
AMDMatt said:
Yes, 3.2Ghz for 3-8 core. You can get 3.75Ghz on up to two cores. 1800X will give you 3.7Ghz on all 8 cores, so quite a big difference. If you want max performance and plug and play, 1800X is the way to go.
Click to expand...

Matt, since you are fiddling with the system, can you test the gaming/benchmark (eg 3d mark) performance of the system with the 3200CL14 ram and then try to raise the speed and loosen the timings?
There is an interesting theory related to the Ryzen performance going regarding the the Infinity Fabric and how the two CCX communicate.

900x900px-LL-766bd268_56e0b8e0_ryzen-bench-oc-mem-arma3.png


We might have to forget how the RAM is working on Intel systems, and take a new approach with the Ryzen. I know my 3600C16 RAM can do 4266C19 and planning to run an extensively test on that area when OCUK sends my order :(

It also seems that if AMD puts an L4 (even tiny one) or eDRAM between the CCXs should increase the performance significantly because it seems the two CCXs communicate via the system RAM currently. So the faster in mhz it is, the higher the performance, while timings are just irrelevant for Ryzen.

Also I am going to test Process Lasso 7, to replace the task manager on Windows 10 to see if truly alleviates the gaming issues
 
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Rossi~ said:
Just slapped the 1800X @ 4.0GHz @ 1.425v with Level 3 LLC. Run Realbench a few times fine, running Prime95 now. I'll start lowering the voltage.

Best way to put these chips through testing?

Hit 74c in CPUI HWMonitor and 73c in the ASUS software, though not at the same time.. The temperatures seem to be a bit odd, not sure what software to use or if it detects it properly.
Click to expand...
How long have you left realbench running for? You need to leave it for at least 1hr..... 15 minute run is not long enough....
 
Panos said:
Matt, since you are fiddling with the system, can you test the gaming/benchmark (eg 3d mark) performance of the system with the 3200CL14 ram and then try to raise the speed and loosen the timings?
There is an interesting theory related to the Ryzen performance going regarding the the Infinity Fabric and how the two CCX communicate.

900x900px-LL-766bd268_56e0b8e0_ryzen-bench-oc-mem-arma3.png


We might have to forget how the RAM is working on Intel systems, and take a new approach with the Ryzen. I know my 3600C16 RAM can do 4266C19 and planning to run an extensively test on that area when OCUK sends my order :(

It also seems that if AMD puts an L4 (even tiny one) or eDRAM between the CCXs should increase the performance significantly because it seems the two CCXs communicate via the system RAM currently. So the faster in mhz it is, the higher the performance, while timings are just irrelevant for Ryzen.

Also I am going to test Process Lasso 7, to replace the task manager on Windows 10 to see if truly alleviates the gaming issues
Click to expand...
You get the feeling there's going to be re-visiting of performance reviews on Ryzen in a few months.
P.s don't skimp on the memory apparently.
 
muon said:
But how would you even get that. On my current B350 board, anything above 2400 doesn't boot.
Click to expand...

Compatibility is the biggest thing with Ryzen right now I think - my Cosair LPX 2400 stuff would not work in this without crashes all over the place - more so when pushing OC's on the Ryzen. With my new G Skill 3000 stuff, it works flawlessly.

I don't think Ryzen is very forgiving with memory and will throw up all sorts of random errors
 
2wowzk9.png


Cinebench score on windows 7 , the multicore was 1650 and single 156 on windows 10, and games that I tested Bf1 and for honor, dont have almost any frames drops like i had on windows 10.

I using a Msi B350 tomahawk.
 
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Eircsson said:
2wowzk9.png


Cinebench score on windows 7 , the multicore was 1650 and single 156 on windows 10, and games that I tested Bf1 and for honor, dont have almost any frames drops like i had on windows 10.

I using a Msi B350 tomahawk.
Click to expand...

Great findings mate :)

muon said:
But how would you even get that. On my current B350 board, anything above 2400 doesn't boot.
Click to expand...

Only 4 motherboards have external BLK generator.
Asus Crosshair Hero
Gigagybe Gaming K7
Asrock Taichi
Asrock Fata1ity

Also I assume your memory is faster than 2400 like 3000+ and is working at 2400?
 
Vish Petrol said:
What motherboard and ram are you using, if you don't mind me asking?
Click to expand...

ASUS CH6 & 16GB Corsair Vengeance & 2666MHz.
Unfortunately I'm going to have to wait for a better BIOS before tackling the RAM, won't POST higher than that for some reason and is stuck at 2T. The stock BIOS would POST higher and 1T.
 
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