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post #6491 of 11962
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Quote:
Originally Posted by Vellinious View Post

That's actually pretty poor for a GM204. Most GM204 based GPUs can nearly boost 2.0 to 1500 by just maxing the power limit and adding a tiny bit of voltage. Most GM204s I've help setup with custom bios files, and had them setup custom fan curves with are well over 1550 on air, some as high as 1600. 69% ASIC for Maxwell is pretty bad, yes....but there's still room there.

I'd get the voltage tool and put some clock on it, before you start making claims that your 390 can best it....thus far, your 980 KPE is only a couple hundred points higher than my best 970 graphics scores. My best was 14880.....

The card wouldn't respond to voltage at all.... anything over 25mv would cause crazy artifacts. It's very common for some 204's to not improve with voltage at all. I was able to add 13mv nd boost to around 1540 or so but it seemed to add a strange amount of heat to the core (something with power deliver changes in P-X not allowing as much vdroop or something?? I dunno)

And I never said the 390X could best it..... I said it is not an inferior card from a performance standpoint like some make it out to be, especially not at high resolution.
It is however, way more power hungry, and runs a good bit hotter for most people (though my load temps on my 390X with overvoltage are the same as the KPE with 13mv+)


Best FS score on my KPE was 15,780 graphics. That was at around 1540~/2000 I believe... can't really remember. Again I only went to the 390X for the 8GB. My Fury was also VRAM limited, so the only logical thing to do was go back to the 390, and a second one in the next few weeks thumb.gif
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post #6492 of 11962
Quote:
Originally Posted by Agent Smith1984 View Post

The card wouldn't respond to voltage at all.... anything over 25mv would cause crazy artifacts. It's very common for some 204's to not improve with voltage at all. I was able to add 13mv nd boost to around 1540 or so but it seemed to add a strange amount of heat to the core (something with power deliver changes in P-X not allowing as much vdroop or something?? I dunno)

And I never said the 390X could best it..... I said it is not an inferior card from a performance standpoint like some make it out to be, especially not at high resolution.
It is however, way more power hungry, and runs a good bit hotter for most people (though my load temps on my 390X with overvoltage are the same as the KPE with 13mv+)


Best FS score on my KPE was 15,780 graphics. That was at around 1540~/2000 I believe... can't really remember. Again I only went to the 390X for the 8GB. My Fury was also VRAM limited, so the only logical thing to do was go back to the 390, and a second one in the next few weeks thumb.gif

I don't doubt at all that the 390 / 390X can beat it with a custom bios and some voltage. The 290X I have is putting up pretty decent 980 type scores....just sayin it's a pretty poor comparison. That's obviously a pretty bad 980.

/shrug
post #6493 of 11962
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Quote:
Originally Posted by Vellinious View Post

I don't doubt at all that the 390 / 390X can beat it with a custom bios and some voltage. The 290X I have is putting up pretty decent 980 type scores....just sayin it's a pretty poor comparison. That's obviously a pretty bad 980.

/shrug

I wouldn't say bad.... I have gone through months of research, and pages upon pages of 980 classy threads, and most cards are doing between 1493 and 1560.... at 1526 I was righ in the middle. The memory seemed low though.... it was a card in my opinion that needed to be water cooled, and with such a low ASIC would of probably been a monster on LN2.

ASIC quality seems to mean nothing on GCN based cores, while Keplar and Maxwell's ASIC qualities seem to be very indicative of their OC potential, especially on air.

My brother's 980Ti Classy does 1585mhz (stock voltage when I had last sat with him, maybe be much higher now with some juice) on air (we've benched over 1620 something I think), but he got lucky as hell with a 79.6 ASIC quality. That thing is a monster!
Edited by Agent Smith1984 - 2/25/16 at 8:01am
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post #6494 of 11962
Quote:
Originally Posted by Agent Smith1984 View Post

I wouldn't say bad.... I have gone through months of research, and pages upon pages of 980 classy threads, and most cards are doing between 1493 and 1560.... at 1526 I was righ in the middle. The memory seemed low though.... it was a card in my opinion that needed to be water cooled, and with such a low ASIC would of probably been a monster on LN2.

ASIC quality seems to mean nothing on GCN based cores, while Keplar and Maxwell's ASIC qualities seem to be very indicative of their OC potential, especially on air.

My brother's 980Ti Classy does 1585mhz on air, but he got lucky as hell with a 79.6 ASIC quality. That thing is a monster!

The GM200s are different....they don't overclock nearly as well, usually, as the GM204 based GPUs. Yeah, that 980ti is a monster. 1585 is VERY good for a GM200.

The Classys and KPEs are really poor performers on air, and on water. Most of the G1 980 / 980 FTW / SSC / SC guys I have helped, even on air, are hitting 1550+...most of them are mid 70% ASICs, which is decent, but not golden by any means. My brothers 980 FTW, which has an ASIC quality of 83.4%, hits 1610 in FS on air. I've tried to get him to put it under water, but....he's a wuss....
post #6495 of 11962
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Quote:
Originally Posted by Vellinious View Post

The GM200s are different....they don't overclock nearly as well, usually, as the GM204 based GPUs. Yeah, that 980ti is a monster. 1585 is VERY good for a GM200.

The Classys and KPEs are really poor performers on air, and on water. Most of the G1 980 / 980 FTW / SSC / SC guys I have helped, even on air, are hitting 1550+...most of them are mid 70% ASICs, which is decent, but not golden by any means. My brothers 980 FTW, which has an ASIC quality of 83.4%, hits 1610 in FS on air. I've tried to get him to put it under water, but....he's a wuss....

Just reminds how much I like tinkering with different cards. I don't really have any brand allegiance, as both have strengths and weaknesses. Usually NVIDIA in the way of performance, and AMD in the way of price.

My 390X was $360 after rebate, and came with a decent gaming mouse, and a Hitman code ($60), so that was a pretty good value for me.

I'm going to dump the BIOS tonight and see what mus comes up with for me biggrin.gif
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post #6496 of 11962
Quote:
Originally Posted by Agent Smith1984 View Post

Just reminds how much I like tinkering with different cards. I don't really have any brand allegiance, as both have strengths and weaknesses. Usually NVIDIA in the way of performance, and AMD in the way of price.

My 390X was $360 after rebate, and came with a decent gaming mouse, and a Hitman code ($60), so that was a pretty good value for me.

I'm going to dump the BIOS tonight and see what mus comes up with for me biggrin.gif

I'm pretty impressed with the 290X I ended up with. Cost about the same as the 970s I had purchased, and performs a LOT better.

Next up: chiller for my loop. lol
post #6497 of 11962
Thread Starter 
Quote:
Originally Posted by Vellinious View Post

I'm pretty impressed with the 290X I ended up with. Cost about the same as the 970s I had purchased, and performs a LOT better.

Next up: chiller for my loop. lol

Chilled water could have a huge impact on a 290!!! Especially if it's a core that actually responds to juice (cause they all respond to low temps)

I'm ready to tinker with this BIOS some.... My hope is that it will still do the 1750 clock speed, even with the tighter timings.
I think am going to do a fresh TIM on it tonight too. I know those factory jobs are gubered up pretty bad usually, and I have a fresh tube of noctua just sittin around anyways.

I'll be doing a custom loop on my next build (probably a 5820k, or Zen if it's good) and probably use AMD's next GPU offering with 8GB of HBM2.
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post #6498 of 11962
Aye...I keep the ambients in my pc room down around 16c usually when I'm doing my oc runs, to keep the coolant temps below 20c. I figure, with as low as the humidity level is in that room, I should be able to chill the loop down to around 5c without seeing much condensation....I need to do some math on it, but....I'd likely insulate the board anyway, just to be sure.

I have a small dorm fridge I've been toying with. I put an internal air temp sensor in it, and can keep the internal temp right at 5c. I have a bunch of soft copper tubing left over from a construction project, so thought I'd coil that as tightly as I could, and in layers, on the interior of the minifridge...the copper should transfer heat / cold really well, and with the MO RA3 removing most of the heat from the water before it goes back to the fridge, it shouldn't have to work very hard to chill the coolant back down. Or....get a bigger refrigerator and put the radiator in it....

Haven't decided on the final design yet, but.....it's in the works. Should probably have something ready by this summer. = D
post #6499 of 11962
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Quote:
Originally Posted by Vellinious View Post

Aye...I keep the ambients in my pc room down around 16c usually when I'm doing my oc runs, to keep the coolant temps below 20c. I figure, with as low as the humidity level is in that room, I should be able to chill the loop down to around 5c without seeing much condensation....I need to do some math on it, but....I'd likely insulate the board anyway, just to be sure.

I have a small dorm fridge I've been toying with. I put an internal air temp sensor in it, and can keep the internal temp right at 5c. I have a bunch of soft copper tubing left over from a construction project, so thought I'd coil that as tightly as I could, and in layers, on the interior of the minifridge...the copper should transfer heat / cold really well, and with the MO RA3 removing most of the heat from the water before it goes back to the fridge, it shouldn't have to work very hard to chill the coolant back down. Or....get a bigger refrigerator and put the radiator in it....

Haven't decided on the final design yet, but.....it's in the works. Should probably have something ready by this summer. = D

When my brother and I were younger, around 2005, he was I believe 14, and I was around 20..... we turbed up a window unit AC with duct tape and flex pipe, to blow right inside the 120mm side intake fan on an NZXT Nemesis Elite build we had done, and then had another flex tube comming out the back 120mm, running into a dehumidifier. Running a 7950GT with volt pen mod to run at GTX+++ clocks already, plus some BIOS mods to tighten memory timings, and had the nicest air cooler at the time, Zalman Fatal1ty something... something..... needless to say, we tortured that card. Some of the funniest ghetto rigged cooling you've ever seen for sure!!! haha

Back then custom water cooling could cost you a FORTUNE, and you NEVER saw it on GPU's without custom made blocks. Crazy how much things have changed!

Sorry for the trip down memory lane, just you talking about using a small dorm fridge to cool your loop took me back!! lol
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post #6500 of 11962
Quote:
Originally Posted by Agent Smith1984 View Post

When my brother and I were younger, around 2005, he was I believe 14, and I was around 20..... we turbed up a window unit AC with duct tape and flex pipe, to blow right inside the 120mm side intake fan on an NZXT Nemesis Elite build we had done, and then had another flex tube comming out the back 120mm, running into a dehumidifier. Running a 7950GT with volt pen mod to run at GTX+++ clocks already, plus some BIOS mods to tighten memory timings, and had the nicest air cooler at the time, Zalman Fatal1ty something... something..... needless to say, we tortured that card. Some of the funniest ghetto rigged cooling you've ever seen for sure!!! haha

Back then custom water cooling could cost you a FORTUNE, and you NEVER saw it on GPU's without custom made blocks. Crazy how much things have changed!

Sorry for the trip down memory lane, just you talking about using a small dorm fridge to cool your loop took me back!! lol

If you can hit 1200 on air, get that thing under water and really see what it can do. Lowering the vrm's makes a big difference from what I have seen myself and on these boards. It just makes the whole hobby more fun. I'm still waiting on some parts to get my loop all done on the 390x. Can't wait to get er' finished and see what it can put out on heaven. I'm sure it won't break any records, but its just so much fun seeing how much more over stock these things can do in the right conditions. Chillers are very tempting to me... but I'm not ready yet.
     
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