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On Artifacts and Core Voltage

Chak Mlaxpin
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I'm playing around with overclocking my GPU. I'm running a 970 and using MSI Afterburner for my overclocking.

Using the Kombustor that's built in to benchmark, I'm getting about 1.5 artifacts per second (averaged out over a 10 minute period). Is this reasonable?

Personally I'm not seeing anything on the screen, and they seem to disappear faster than the screen can update. The clocks I have it at currently are the core boosted by 175Mhz and the memory by 575MHz.

I've known increasing the core voltage can help improve stability too, which is why I want to ask what would be reasonable increments to increase that by? At what level should I stop increasing the voltage? I'm also finding that the temperature tends to level out at ~72C so thermals aren't too much of an issue just yet.

I'm quite new to overclocking really, which is why I'm asking here. In the future I plan to overclock my processor too but I'll get to that when the time comes (and also when I get around to getting a liquid solution for it hooked up).

Any help is appreciated!

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Increase it by 5-10% each time until you get stability. I have a GTX 970 too and when my card was OC'd, I increased voltage by almost 25%. But by that point my card got too hot (83 C) so I decided to decrease my OC.

CPU: Intel Core i7-950 Motherboard: Gigabyte GA-X58A-UD3R CPU Cooler: NZXT HAVIK 140 RAM: Corsair Dominator DDR3-1600 (1x2GB), Crucial DDR3-1600 (2x4GB), Crucial Ballistix Sport DDR3-1600 (1x4GB) GPU: ASUS GeForce GTX 770 DirectCU II 2GB SSD: Samsung 860 EVO 2.5" 1TB HDDs: WD Green 3.5" 1TB, WD Blue 3.5" 1TB PSU: Corsair AX860i & CableMod ModFlex Cables Case: Fractal Design Meshify C TG (White) Fans: 2x Dynamic X2 GP-12 Monitors: LG 24GL600F, Samsung S24D390 Keyboard: Logitech G710+ Mouse: Logitech G502 Proteus Spectrum Mouse Pad: Steelseries QcK Audio: Bose SoundSport In-Ear Headphones

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4 minutes ago, Rasbir Singh said:

Increase it by 5-10% each time until you get stability. I have a GTX 970 too and when my card was OC'd, I increased voltage by almost 25%. But by that point my card got too hot (83 C) so I decided to decrease my OC.

@Rasbir Singh when you say 5-10%, are we talking mV here or actual percentage of original core voltage? Because I'm not sure what the original was but I can increase the actual core voltage itself by mV.

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37 minutes ago, Chak Mlaxpin said:

@Rasbir Singh when you say 5-10%, are we talking mV here or actual percentage of original core voltage? Because I'm not sure what the original was but I can increase the actual core voltage itself by mV.

The percentage, I don't have exact numbers with me rn.

CPU: Intel Core i7-950 Motherboard: Gigabyte GA-X58A-UD3R CPU Cooler: NZXT HAVIK 140 RAM: Corsair Dominator DDR3-1600 (1x2GB), Crucial DDR3-1600 (2x4GB), Crucial Ballistix Sport DDR3-1600 (1x4GB) GPU: ASUS GeForce GTX 770 DirectCU II 2GB SSD: Samsung 860 EVO 2.5" 1TB HDDs: WD Green 3.5" 1TB, WD Blue 3.5" 1TB PSU: Corsair AX860i & CableMod ModFlex Cables Case: Fractal Design Meshify C TG (White) Fans: 2x Dynamic X2 GP-12 Monitors: LG 24GL600F, Samsung S24D390 Keyboard: Logitech G710+ Mouse: Logitech G502 Proteus Spectrum Mouse Pad: Steelseries QcK Audio: Bose SoundSport In-Ear Headphones

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