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Overclocking the Sparkle GTX570

post #1 of 8
Thread Starter 
Hi, after having my GTX 570 running at 800MHz core and stock memory for the last 4 months I decided to OC it a bit more. Now I've read that the reference design GTX 570's aren't really the best one's for overclocking, however I'm not sure if I have the reference one. The reference one's seem to have black pcb, the one I got has blue (http://www.techfresh.net/wp-content/uploads/2011/03/Sparkle-GeForce-GTX-570-Thermal-Guru-Graphics-Card-1.jpg here's the card)

I have it running at 850/2000 @ 1.025v and so far it's been stable in Heaven Bench, 3DMark 11 and Far Cry 3. Max temp. is around 68C so I guess it's fine, but I'm still worried about damaging it because I got it without warranty really cheap (It's been used only for a month though)

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post #2 of 8
Quote:
SPARKLE GeForce GTX570 V-Go provides the user with the perfect quality from the reference board, but also integrated with SPARKLE unique design style. The graphics card uses blue PCB design, double purple DVI-I + mini HDMI output interfaces, changing from the black PCB with the white color of output interface from the reference design, so that entire graphics card is elegant with dynamic appearance.
Taken from TechPowerUp

It seems that the only thing changed on your 570 is the design. The part which was failing on the 570's were the VRM (Voltage Regulator Modules) which became overheated and sort of either popped or caught fire.
Since most manufacturers do not equip the VRMs with a temperature sensor, you either need to trust the cooler on the card to at least move the heat away from the VRMs.
However, at 1.025v the chances of the described scenario seem pretty low. Good airflow in your case is key smile.gif
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post #3 of 8
Thread Starter 
I hope that's the case, the second fan seems to be blowing at VRM so I guess it's fine.
post #4 of 8
If your confident, you could try a third party GPU cooler. I used to have the Arctic Cooling Accelero on my GTX 570 (the EVGA HD version with the crappy 560ti Cooler). Temps dropped by pretty big amounts (cant remember off the top of my head but it was over 23C full load i know that much). It also has Heatsinks for the VRM's and such.
post #5 of 8
Thread Starter 
Quote:
Originally Posted by dragonfly789 View Post

If your confident, you could try a third party GPU cooler. I used to have the Arctic Cooling Accelero on my GTX 570 (the EVGA HD version with the crappy 560ti Cooler). Temps dropped by pretty big amounts (cant remember off the top of my head but it was over 23C full load i know that much). It also has Heatsinks for the VRM's and such.

Seeing how my card already has a custom cooler and the Accelero is like 1/4 of the price I paid for the card itself, I don't think it's worth it. This cooler has a pretty good airflow and design already, I was just worried about the voltage but many people said that everything under 1.1 is fine so I'm gonna keep it at 1.025 because this clock is enough for me.
post #6 of 8
800 to 850 is about 6% OC on the same voltage.
That will increase the VRM temperatures only by a small degree, most of the time less than 5 degrees and won't overload them ...
Unless you are pushing it like running 1.0 GHz on 1200mV I would say don't worry much about it, also avoid high memory OCs. From what I've heard a high memory OC 2200+ MHz can easily brick on a 570. For the cards safety If it is me I would leave the memory at stock, Fermi don't gain much from memory OC anyway as they have enough bandwidth.
Also it appears that the late GTX 570s didn't suffer from the VRMs like the early ones.
There is a thread here about people killing their 570s and if you track it you will see the posts about frying GTX 570 are less frequent in mid or late 2011...
Edited by HeadlessKnight - 1/21/13 at 2:50am
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post #7 of 8
Thread Starter 
I keep the memory at stock yeah, don't really see any difference in game performance. I'll just keep it at 850Mhz @ 1.025v with around 64*C under load and hopefully it will be fine. Funny thing is, I had the Gainward GTX570 GS GLH which should be a beast for oc'ing, and it crapped out at like 840Mhz with any safe voltage I threw at it. Thankfully I only had it for a couple of days before they changed it for this one biggrin.gif

Thanks for the help guys thumb.gif
Edited by weirdek - 1/21/13 at 9:48am
post #8 of 8
No problem at all! Enjoy your card thumb.gif
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