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Learning to Overclock GTX 780

Megazero
By Megazero
in Graphics Cards
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So I have a GTX 780 with Reference Cooler, I have been trying to learn about overclocking abit, so I used Precision X and try to OC bit by bit with the power target set to 106%, and then test it with Crysis 3 to see if it's stable or not, so I could get to +181MHz GPU Clock Offset (run Srysis 3 without problem) with that and I left the Mem clock at +147MHz (I dont know if I should increase this one or not), and then I when I try to up it once more to +190Mhz GPU Clock Crysis 3 crash after a while. So it look something like this (Also at best with the stress test running for a while my temp got to 81 Degree, I dont have a picture of it though)

10339695_765226583511302_247757599216493

1609929_765226593511301_1056760295626378

So my question is, do I have to change the Mem clock offset? What does it do? and should I touch the voltage option to crank up the voltage more? Because when I goes over the database here I saw ppl all have around 1200mV or more...

My rig: Intel Core i7 4790k | MSI Z97 PC Mate | GSKILL Ripjaws X 16GB 1866MHz | ADATA Premier SP550 480GB SSD | Seagate Barracuda 3TB | Seagate Barracuda 2TB  | MSI Gaming X GTX 1070 | Thermaltake Versa N21 | Corsair CX550M Semi Modular PSU | AOC G2460PF 144Hz | Logitech G502 | GSKILL Ripjaws KM780  | GAMDIAS HEPHAESTUS V2  PCPartPicker | Old Build Log | New Build Log

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just going to say that games vary to how they like overclocks or not. BF4 I have to underclock from my typical spec and for most games my normal OC is fine. I'm just going to say if it's unstable in Crysis 3, that doesn't mean it's an unstable clock necessarily.

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just going to say that games vary to how they like overclocks or not. BF4 I have to underclock from my typical spec and for most games my normal OC is fine. I'm just going to say if it's unstable in Crysis 3, that doesn't mean it's an unstable clock necessarily.

I see, I just use Crysis 3 cause it's the most demanding game I have right now, and actually my performance on every games I have satisfied my even at mild OC (usually I have it OC at +140MHz) or default clock speed, but I just trying to learn about OC so that's why I'm doing this :P

My rig: Intel Core i7 4790k | MSI Z97 PC Mate | GSKILL Ripjaws X 16GB 1866MHz | ADATA Premier SP550 480GB SSD | Seagate Barracuda 3TB | Seagate Barracuda 2TB  | MSI Gaming X GTX 1070 | Thermaltake Versa N21 | Corsair CX550M Semi Modular PSU | AOC G2460PF 144Hz | Logitech G502 | GSKILL Ripjaws KM780  | GAMDIAS HEPHAESTUS V2  PCPartPicker | Old Build Log | New Build Log

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I see, I just use Crysis 3 cause it's the most demanding game I have right now, and actually my performance on every games I have satisfied my even at mild OC (usually I have it OC at +140MHz) or default clock speed, but I just trying to learn about OC so that's why I'm doing this :P

typically I reduce my memory boost first before messing with the clocks. Hope this helps.

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