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post #67861 of 68053
Quote:
Originally Posted by gapottberg View Post

Happy to do some research on this with you. I think a good test would be to record overall CPU utilization using something like MSI AB ot HWinfo on a 5 min run through a few games. Do one run at 1080p and a second running as similar a route as possible at 1440p and overlay the results in a graph.

I will see if i have time to do some of this tonight. PM me some time and I will get you a link to my discord and we can colaborate on it. I am on nearly every night for a few hours after work.

I had to cannibalize my FX in order to get my Zen system running so it is sitting on the side for now. Sorry. That is why I used past tense terms for it.
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post #67862 of 68053
Hi there,

Clean Win10 and NorthBridge, Hyper Transport and RAM are all stock. The only overclock i have now is in the CPU@4.7Ghz. Ram is a Corsair Vengeance 16Gb DDR-3 1600 CL9 kit. Basic but decent.

Perhaps i try to overclock the N.B ans see what result i got.



thumb.gif

Quote:
Originally Posted by gapottberg View Post

Curious what your RAM, CPU/NB, and HT speeds are set to. A number of us have been finding in some games a massive boost to minimums and a generally smoother experience when pushing the speeds to 2600mhz or better on the NB and HT clocks. It doesnt help in all cases but in some games we are finding +30% gains, the most notably and repeatably being Dirt Rally.
post #67863 of 68053
Quote:
Originally Posted by jclafi View Post

Yes i agree, this level is the most demanding stressfull level for the CPU i know... But some levels in DOOM also play hard on the CPU.

About your cheap Chinese power cable, such funny story! Did it burn something or you saved the hardware in time ?

smile.gif

My power cable is routed near my feet on my desk. And I was playing Crysis 3 and my feet started to get warm from the cable... I didn't mind since I was cold... but then it started to get really hot. A minute or so later, I started to smell burning plastic. I turned off my computer and inspected the cable. It almost melted totally through.

After that, I make it a point to use the PSU cable that came in the box. thumb.gif
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post #67864 of 68053
http://www.overclock.net/t/1637388/fx-giving-bad-fps-heres-how-to-tune-your-old-fx-to-give-better-in-game-performance#post_26316471

There is the link to the work some of us have done on how Ram, CPU/NB and HT speeds can improve performance. It usually takes between 1.30-1.40v to get the CPU/NB to hit 2600mhz but it seems to be worthwhile if you can.

It primarily helps improve L3 cache speed and due to stock setting having poor latency it can remove one potential bottleneck that causes stuttering and other poor behavior in certain workloads.
post #67865 of 68053
Quote:
Originally Posted by gapottberg View Post

http://www.overclock.net/t/1637388/fx-giving-bad-fps-heres-how-to-tune-your-old-fx-to-give-better-in-game-performance#post_26316471

There is the link to the work some of us have done on how Ram, CPU/NB and HT speeds can improve performance. It usually takes between 1.30-1.40v to get the CPU/NB to hit 2600mhz but it seems to be worthwhile if you can.

It primarily helps improve L3 cache speed and due to stock setting having poor latency it can remove one potential bottleneck that causes stuttering and other poor behavior in certain workloads.

Mine also takes 1.4 to run 2600 stable, and i also tweaked the NB voltage

after seeing how high many had been pushing it i have done some tests up to 1.5 without issue, but have not run long term that high.

i do think the 2600MHz NB with 2300MHz ram has given me some improvements, and now that i have it stable here i plan to run some benchmarks on games this weekend for the other thread too.
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post #67866 of 68053
Guys, I've tried swapping my Arctic F12 with a Noctua NF-P12 today for silence sake and all reviews showing its superiority. I only changed one intake fan. My PC ran from top notch stable (100+ IBT runs and hours of prime) to not passing after a couple of runs. The temps in software show only a 1 deggree delta.

I know its the temperatures since it stopped crashing after I removed filters. But my stress testing was done with a 2KW heater blowing onto the intakes from 3 meters away and it was rock stable.

Whats the problem with intake fans? Temps don't differ, it's either directed airflow or something else, but that would also be weird since I don't use watercooling but a NH-D15.
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post #67867 of 68053
Quote:
Originally Posted by tashcz View Post

Guys, I've tried swapping my Arctic F12 with a Noctua NF-P12 today for silence sake and all reviews showing its superiority. I only changed one intake fan. My PC ran from top notch stable (100+ IBT runs and hours of prime) to not passing after a couple of runs. The temps in software show only a 1 deggree delta.

I know its the temperatures since it stopped crashing after I removed filters. But my stress testing was done with a 2KW heater blowing onto the intakes from 3 meters away and it was rock stable.

Whats the problem with intake fans? Temps don't differ, it's either directed airflow or something else, but that would also be weird since I don't use watercooling but a NH-D15.

Accounting for vrm/socket temps ?
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post #67868 of 68053
Socket temps were about 1C higher. Monitoring temps I couldn't find a reason why I'd get instability. VRM is what I'm thinking too, but there's a D15 blowing to them and 2x40mm Noctuas blowing air away from them.

To me it seems the cold wave is missing a crucial component but I don't see anything that's in the way before the D15.

With an IR thermometer I measure the VRMs on the back of the motherbord to about 60-65 deggrees. Not a lot for MOSFETs.
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post #67869 of 68053
Quote:
Originally Posted by miklkit View Post

My Fury tests out between a 1060 and a 1070 and that combined with my 5 ghz FX was great at 24" 1080P gaming. The Fury always ran at 100% with the FX at 40-70% loads.

Then I got a 27" 1440P monitor and while the Fury still ran at 100% all the time the FX was now running at 70-100% loads. I was uncomfortable running it at stress testing loads for hours on end every day and that was the reason for getting Ryzen. It handles those loads much better.

Ok, I just did a very simple and rough test to see if my theory is correct or if I exhibited the same beahvior as you did. Ran about 5 min of DOOM in arcade mode at 1080p Ultra settings...then jumped out and set the game to 1440p and did essentially the same run. My results for this game at least support my hypothesis. Higher resolutions seem to lower the CPU load when all else is equal. I highly suspect that something else changed in your case besides just resolution which is accounting for your result being so unexpected.

Here is a screen shot of the MSI:AB data for % Total CPU usage, you can clearly see the 1440p results are slightly lower and more consistent which is what I would expect if my theory was accurate.

Warning: Spoiler! (Click to show)
post #67870 of 68053
Quote:
Originally Posted by gapottberg View Post

Ok, I just did a very simple and rough test to see if my theory is correct or if I exhibited the same beahvior as you did. Ran about 5 min of DOOM in arcade mode at 1080p Ultra settings...then jumped out and set the game to 1440p and did essentially the same run. My results for this game at least support my hypothesis. Higher resolutions seem to lower the CPU load when all else is equal. I highly suspect that something else changed in your case besides just resolution which is accounting for your result being so unexpected.

Here is a screen shot of the MSI:AB data for % Total CPU usage, you can clearly see the 1440p results are slightly lower and more consistent which is what I would expect if my theory was accurate.

Warning: Spoiler! (Click to show)

was 1440 capped at 60 fps in this?

edit: i feel like it wasn't, just the usage seems so smooth.
Edited by jaredismee - 12/7/17 at 7:36pm
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