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[Official] NVIDIA GPU Mod Club - AKA "The Mod" - Page 112

post #1111 of 8626
just a quick reply to some comments regarding my 560ti and 580. The 560ti at the oc i posted was amazing to say the least but the results as far as fps are concerned were not all that impressive. The fact is the 560ti is handicapped at the hardware level, 2ghz on the core if it was possable could not produce fps that could match higher end cards, they simply are not made in a way that makes it possable. When i first modded the 560ti there were no other cards with this mod to compair it to and the oc was a result of seeing what the mod could offer. It was a lucky card that allowed for this oc and not as much the mod. I was able to reach well above 1000 on the core with the stock cooling. The card stopped showing gains not long after 1050. I was looking to see how hot i could get the card... and maybe a little hoping it would blow so i would have an excuse to upgrade to a 580 which was the card i wanted to begin with. The card stopped heating up beyond 48c no matter what i did, so i just kept pulling the oc slider each time and when it was all said and done i had no more slider left to .... well slide lol.

In response to my 580 temps. The matrix platinum has cherry picked parts, this is what allows it the " Matrix Platinum" title vs the reg Matrix 580, I paided a premium to get this. Its natural that i would have a lower temp as the card operates better/cooler with less voltage to other 580 cards and even when voltage is increased it will still opperate cooler than a reg matrix or other 580 as its a golden chip. My temps are not that far off other cards even at that, i could hit high 50s/low 60s before i removed the IHS AND it was going into winter when this card was modded and temps reported. Now that summer is soon to be here my temps have increased to reflect this. Morning starts are now 22-24c with an average idle of 26c, it still does not go over 52c (that i have see lately) but this is do to a wonderfull chip/ card design and fans/rad placement. Many factors are in play when compairing my results to other 580 cards. Honestly if you dont exceed 60c-ish during normal hard use then you have done very well to reduce temps over what stock cooling can allow for. The silence comparied to stock cooler noise with the same load applied to the card is also superior, so that combined with a 30c reduction in temps is just a WIN WIN.
post #1112 of 8626
Hey there all! Just discovered this thread, and I would like to share some of my work. I received my bracket from dwood (artisan on OCN) to mount my Antec Kuhler 620 onto my new EVGA GTX680. Here are the results!
450
450
450

Overall, the temps have plummeted. Idles dropped over 10C, and load temps dropped almost 40%. I am now sitting around (~68F ambients) 23-25C idle, and MAX 46C in BF3, and low to mid 40C's in Furmark/Heaven. This is some serious cooling! Nice, because my card is a pretty good overclocker too.

As far as cosmetics, the spot for the Antec rad looks a bit awkward. It is totally stable, and actually makes good sense for a performance factor (cool air going to it from the front 200m). Ideally I would like a top 240/280 rad with the 120 rad mounted as exhaust. Oh well, for now the cooling performance is wonderful, and no more GPU fan noise!!! thumb.gif
post #1113 of 8626
So you guys are about to have one more person, I just finished dremeling out my H50 mounts and I am about to shut down and rip apart my GTX 570 for better temps!! biggrin.gif
 
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post #1114 of 8626
Quote:
Originally Posted by Behemoth777 View Post

Quote:
Originally Posted by Xinoxide View Post

Just ordered this kit:
500
Think those ramsinks will fit under Dwoods bracket with fan mount?

Those are awesome. I have that kit on my 470, works like a charm. I'm comfortably running 800mhz/1700mhz @ 1.087v, everything stays cool cool.gif

Do you have a temperature reading for your VRM's with it installed?

When my IR thermo reads 90C on the Stock VRM sink, is when my card resets at 1GHz. It takes about 4 minutes of furmark to reach those temps, but i think if i can keep the VRM's cool it will be okay for everyday gaming.

a 1GHz 470 is about like a stock 580...
post #1115 of 8626
Quote:
Originally Posted by Darylrese View Post

Evening chaps,

So i spent the evening lapping my cooler and reapplying the TIM / bracket etc to make sure it sat totally flush with the GPU...Result? Exactly the same at the moment :S 26c idle and 63c load for a 1ghz core. If i run stock clocks i only get 53c or less but with a 950mhz or 1000mhz core clock its about 63c under load. My direct CU cooler used to reach around 73c so its a good 10c off load temps and of course much quieter. I was hoping to see lower temps if im honest but my guess is its because i am now using my radiator as exhaust in the back as thats the only change ive made. Worth trying as an intake?? Pump is definatly running at 100% as i have tried a few molex adaptors and tried it on motherboard header at 100% too.
Im a little dissapointed, i thought lapping it would improve things but it seems it hasnt made any difference. Im confident i have applied the block flush and used the correct amount of tim and didnt twist the pump this time. When i looked flush with the GPU and block, they looked to be 100% touching from all sides in the day light.
Here are a few pcs from tonight:
Lapped my 620 using 400 grit followed by 2000 grit wet and dry:
640

I dunno but it looks to me like the cooler still isn't flat...

Did you...
Have the sandpaper on glass???????????? You need to have it on a glass plate. That way you know its perfectly flat.
When you have it on glass, put water between the sandpaper and glass, that way the paper will somewhat stick to the glass. Making sure the sandpaper is flat! If the sandpaper ruffles at all or gets some sort of air bubble, it'll start to wear unevenly on the cooler surface. From what I see in the pic, the top is rounded and the bottom isn't lapped at all....
Check the card flatness with say like a ruler or credit card. Just put the flat edge up to the cooler and check to see if there's any gaps..

What voltage are you running the core? 1.150 or greater?
post #1116 of 8626
Quote:
Originally Posted by txtrkandy View Post

So you guys are about to have one more person, I just finished dremeling out my H50 mounts and I am about to shut down and rip apart my GTX 570 for better temps!! biggrin.gif

Do it! thumb.gif
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post #1117 of 8626
Quote:
Originally Posted by Xinoxide View Post

Do you have a temperature reading for your VRM's with it installed?
When my IR thermo reads 90C on the Stock VRM sink, is when my card resets at 1GHz. It takes about 4 minutes of furmark to reach those temps, but i think if i can keep the VRM's cool it will be okay for everyday gaming.
a 1GHz 470 is about like a stock 580...

I'm not sure how to read those temps, I don't have a temp gun. However, the heatsink does feel pretty hot when under load, which means it's doing its job. Sorry I couldn't be of more help.
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post #1118 of 8626
Quote:
Originally Posted by Behemoth777 View Post


I'm not sure how to read those temps, I don't have a temp gun. However, the heatsink does feel pretty hot when under load, which means it's doing its job. Sorry I couldn't be of more help.

I'm sure itll be alot better than the stock spreader.

If not maybe ill trim this up for it.

300
post #1119 of 8626
it looks flat to me in real life. I sanded for a good 50mins - 1 hour. Its probably not the best lapping job in the world but it was pretty shiny. I used the sandpaper dry for the 400 grit and damp for the finnishing off. I used the top of a chest of draws which had a glass worktop on it.

For 1ghz core i run 1.175v and for 950 core i run 1.138v
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post #1120 of 8626
So i got really high temps earlier, it reached 70c in Project CARS!

I moved the radiator from the rear exhaust mount on my case and put it back in the front now im down to 56c load temps again...why on earth when mounted at the back do i get such terrible temps?

Im going to try it as an intake next i think, otherwise ill just have to keep the radiator at the front of the case. The only other thing i can think of is that the pump isnt strong enough to pump water up to the radiator efficiantly when its placed above the graphics card.
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