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post #281 of 1176
Maybe AMD was actually right about getting better performance when temps are relatively higher?
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post #282 of 1176
Quote:
Originally Posted by Tobiman View Post

Maybe AMD was actually right about getting better performance when temps are relatively higher?

How would you conclude that when other members owning a 290 PCS+ are getting normal results with the same temperatures with Elpida chips?

@ Grinder: I tested at both 3.8ghz and 4.5ghz. Valley showed a difference of 0.2 fps, firestrike score difference was also negligible ~30 point difference.
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post #283 of 1176
Quote:
Originally Posted by rv8000 View Post

All of your scores are 5-7% faster clock for clock, my results mirror daymonds almost perfectly. I really do feel there is an issue with hynix based pcs cards. And here I was all excited about the amazing temps I was getting mad.gif

** valley @ 1040/1350 - 57.9 fps
firestrike gpu score @ 1040/1350 - 10630
firestrike gpu score @ 1150/1450 - 11590
firestrike gpu score @ 1215/1650 - 12107

For me
@ 1040/1350 -- 11226
@ 1150/1450 -- 12269
@ 1200/1500 -- 12789

I don't have Trixx installed right now, just using ccc, so I can't retest at 1215/1650.

If you want to get even madder lol, I've said this before, but my Sapphire 290 Tri-X benches significantly faster clock for clock. I still have no clue why that is since it's the same gpu. But it does, consistently.

But, the variances between our scores isn't that huge. You can get swings of a coupla hundred points on the same system between test to test. So say I sampled high on mine, and you sampled low on yours, the discrepancy is not necessarily out of line. We'd have to each run a few dozen tests to be absolutely sure something is amiss.
Quote:
Originally Posted by GrinderCAN View Post

Guys, don't forget that cpu does play a part as well. I'm running an FX-8350 at stock (about to put it under water again, and the gpu as well). At stock, I get 56.4/2360 in Valley Extreme HD with my Elpida equipped pcs+ 290. With a Sapphire Tri-x at 1225/1600 (hynix) I get 63.8/2668.

Can't wait to get my 8350 back to 5Ghz again!

That's why we're comparing gpu scores only. Btw does your Tri-X bench faster than your Powercolor, like mine does?
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post #284 of 1176
Quote:
Originally Posted by taem View Post

For me
@ 1040/1350 -- 11226
@ 1150/1450 -- 12269
@ 1200/1500 -- 12789

I don't have Trixx installed right now, just using ccc, so I can't retest at 1215/1650.

If you want to get even madder lol, I've said this before, but my Sapphire 290 Tri-X benches significantly faster clock for clock. I still have no clue why that is since it's the same gpu. But it does, consistently.

But, the variances between our scores isn't that huge. You can get swings of a coupla hundred points on the same system between test to test. So say I sampled high on mine, and you sampled low on yours, the discrepancy is not necessarily out of line. We'd have to each run a few dozen tests to be absolutely sure something is amiss.
That's why we're comparing gpu scores only. Btw does your Tri-X bench faster than your Powercolor, like mine does?

I'm pretty sure margin of error for 3dmark is considered to be +/- 100 points, not 600-700 points. Going to run 10 stock tests. I will also be checking ram specific oc's as I noticed increases in ram in +100mhz offered maybe 30 points when increase was at least 200 points from what I can remember with my reference sapphire 290.
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post #285 of 1176
I'm going to be running valley at 1215/1500 with my cpu at 4.7ghz to see what scores I get. I have elpida ram and it gets iffy at 1600+ so I'll stick to 1500 for now. Wish me luck!
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post #286 of 1176
Quote:
Originally Posted by rv8000 View Post

How would you conclude that when other members owning a 290 PCS+ are getting normal results with the same temperatures with Elpida chips?

@ Grinder: I tested at both 3.8ghz and 4.5ghz. Valley showed a difference of 0.2 fps, firestrike score difference was also negligible ~30 point difference.

Ok, I can't argue with hard data. Early in this thread I had attributed the differences between my score and taem's, both with elpida pcs+ 290's, to the difference in cpu speed. Guess I was wrong, but if not that then what?

@taem, I haven't run it at stock yet tongue.gif Maybe later tonight.
post #287 of 1176
Ok, so I got 69.8 fps at 1215/1500 with my cpu at 4.7ghz and apparently the print screen fucntion didn't work when I had valley running.
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post #288 of 1176
@taem

56.9/2379 tri-x
56.4/2360 pcs+

both at 1040/1350 in valley extremeHD.
post #289 of 1176
Quote:
Originally Posted by Tobiman View Post

Ok, so I got 69.8 fps at 1215/1500 with my cpu at 4.7ghz and apparently the print screen fucntion didn't work when I had valley running.

That's consistent with what I get at 1200/1500. But I get quite close to that with 1170/1500. Past 1170 core the overclock scaling on my card is so poor it's not worth the increase in heat/power.

Generally though -- this just is not a fast card. It might not be the Hynix ram per se. It might be poor power delivery, with Hynix ram being more sensitive to that. Just look at the epoxy on the outside of the vrm1 chokes. What is that all about? Doesn't look high quality does it? Maybe the noise filtering on these cards is quite poor. Maybe that explains any discrepancy. Wonder if there is a way to gauge how clean the power delivery is using hwinfo's numerous in/out reports.
Quote:
Originally Posted by GrinderCAN View Post

@taem

56.9/2379 tri-x
56.4/2360 pcs+

both at 1040/1350 in valley extremeHD.

I get a greater discrepancy. At stock powercolor gets ~63fps while Tri-X gets 64.5fps. The discrepancy grows as clocks go higher.
Edited by taem - 3/15/14 at 3:01pm
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post #290 of 1176
Ran it again and I got the exact same score.


My vrm1 temps shot up to 102C though. What is going on?
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