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post #41 of 64
Thread Starter 
Is there a guide that you can direct me to that will help me find my max GPU clock? Or is it pretty straight forward?
post #42 of 64
Quote:
Originally Posted by MalevolentMiles View Post

Is there a guide that you can direct me to that will help me find my max GPU clock? Or is it pretty straight forward?

Basically you do what you did to overclock your gpu in the first place. This time put the memory overclock to 0 and only move the core clock, 10 mhz at a time testing on an intensive game (witcher 3, crysis 3, etc) to find how high you can go. Eventually you will run into a point where your screen pops green and red in game or just crashes the driver (make sure to restart msi afterburner or evga precision if the driver crashes). Back it down 5 mhz at a time until you reach the point where it no longer does this, that will be your highest core clock. After that you can add memory 50 mhz at a time until the same happens. Unless your card has Samsung memory (can find that on the main screen of gpu-z) an overlock of 400 is usually about as high as you want to take it and will have less impact on performance as core clock.
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post #43 of 64
Thread Starter 
Thank you very much for helping me. Some questions: What's the reason for setting the memory OC to 0 first? Do I keep the Core Clock at the highest clock when I'm messing with the Memory Clock? Is it possible to mess up my card when going too high? Does Samsung memory allow the Memory Clock to be higher or lower (mine has Hynix memory I think)?
post #44 of 64
Thread Starter 
Also, should I set the Power Limit to 106% or is it better at 100?
post #45 of 64
Power limit and voltage as high as it can go, setting the memory clock to 0 makes sure a memory overclock is not interfering with the stability of the core clock. Samsung memory tends to be of higher quality and will (sometimes) allow for higher overclocking.
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post #46 of 64
Thread Starter 
How high should I expect my core clock to be able to go? I'm using the Valley benchmark at 1440x2560 resolution with the highest settings. I'm at 170 MHz right now. I'm seeing regular fps dips into the 40s, but no green and red pops.
post #47 of 64
Quote:
Originally Posted by MalevolentMiles View Post

How high should I expect my core clock to be able to go? I'm using the Valley benchmark at 1440x2560 resolution with the highest settings. I'm at 170 MHz right now. I'm seeing regular fps dips into the 40s, but no green and red pops.

Valley (or Heaven) benches in my experience will just freeze up or crash when you reach too high a core clock. 'Artifacts' are more commonly seen w/too high a memory clock, but not always, sometimes memory clocks being too high can cause freezes/crashes as well. Are these 'drops' you speak of NOT seen when you have the core at stock clocks? I mean, that benchmark varies in 'difficulty level' throughout ... some scenes can cruise at a pretty high fps and some will drop to ... however low they drop. If you're seeing SPECIFIC parts of the test that were NOT dropping are far as what you're seeing AFTER an OC, that's a sign of an OC instability, quite probably.

There's no telling what you 'should' be able to do, but +170 core clock is a real nice OC.
    
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post #48 of 64
Thread Starter 
Quote:
Originally Posted by brettjv View Post

Are these 'drops' you speak of NOT seen when you have the core at stock clocks?

No, as I've increased my core clock, I've noticed slight improvements in frames overall I think. I was only stating that to make note that the benchmark did seem to be pushing my card. I've gotten the core clock up to 200 without noticing any issues before leaving it there and stopping. Do you recommend continuing to move it upward. When I ask about what I should be getting up to, I mean is there an average range that I should expect to hit based on my system?
post #49 of 64
Quote:
Originally Posted by MalevolentMiles View Post

No, as I've increased my core clock, I've noticed slight improvements in frames overall I think. I was only stating that to make note that the benchmark did seem to be pushing my card. I've gotten the core clock up to 200 without noticing any issues before leaving it there and stopping. Do you recommend continuing to move it upward. When I ask about what I should be getting up to, I mean is there an average range that I should expect to hit based on my system?

While it's hard to quote an average because of boost, +150 stable on the core is a good overclock. I don't think you've mentioned what 780 ti you own? It will make a difference if you're on a reference card versus something like a kingpin edition.
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post #50 of 64
Thread Starter 
How do I know when to stop bumping it up then? I've gone up to +200 on the core clock without noticing any issues during the benchmark. Should I just set it to +150? And mine is a reference card.
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