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My MSI 780 card.. need help on overclocking..

post #1 of 2
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hey everyone i got a msi gtx 780, lately ive been having trouble with overclocking i have been running furmarks and been overclocking with afterburner would have furmark running for 30mins and everything would be fine..then i would run a game for about 30mins and sometimes the driver will stop responding. i have just looked into ASIC quality and here it is..http://i.imgur.com/uEAyKOA.png (does 71.8% mean it is low or high quality i am not entirely sure?) ive done alot of research and have been trying 2 days to get my card at a stable overclock but it seems very wierd for the card to go smooth on overclocks with furmark and heaven then playing games like batman arkham city on full graphics sometimes drivers dont respond and crash it sucks because i know graphics cards are easy to overclock but i am still a noob at it..anyone got tips to help me please (also im running a second monitor i hope this is not the reason for the overclocks to stop responding during game play. thanks for your time!
post #2 of 2
Hello and welcome to OCN smile.gif

First of all, fill in your specs here: http://www.overclock.net/rigbuilder
Having all your specs is of great help when trying to help with something.

ASIC quality does not mean anything, a low ASIC can be better than one with high %, and the other way around. It's basically a chip lottery and you never know what you get.
A second monitor should not do anything to your overclocking.

Even though your overclock is stable in Heaven/Furmark (Heaven benchmark is better to test with), does not mean its stable in the games you play. For example, I can do 1406mhz stable in Heaven, but "only" 1376mhz in Battlefield 4 (This was with a LOT higher volt than stock and on watercooling mind you).

This is how I usually do overclocking on GPU's. Go into Afterburner, set voltage to max (for a reference 780 this will be 1.2v or 1.212v) and start raising the core clock. Use Heaven as your testing software, and raise the core clock until you see artifacts or computer/program/driver crashes. Then lower the core clock until its stable for an hour.
Once that is done you can load up demanding games (demanding on GPU), like Batman, Battlefield, Far Cry or Crysis. If it's stable in the games then good you are done. If not you need to lower the core clock until it is. Some games are more demanding than others, and you may see that your clock is stable in one and crashes the other. So either have different profiles for the games, or settle for the lowest clock.
I typically play BF4 for 2hours to ensure that the OC is stable.

Remember to keep temperatures in check, keep it under 79C as on 80c it will start to downclock itself. In Afterburner you can make a custom fan profile, and I highly advice you to do so. Set the target for a max of 78C with a good bit more aggressive curve than the stock. You can test out the temp in Heaven to see that it holds it steady.
A realistic expectation for overclocking a reference 780 on air could be between 1176-1250mhz.

Best of luck!
Edited by go4life - 3/25/14 at 9:11pm
The up/downgrade
(14 items)
 
  
CPUMotherboardGraphicsRAM
|Intel 6800K @ 4ghz 1.24v| |Asus ROG Strix X99| |Gainward GTX 1070 @ ~2ghz| |4x4gb Corsair XMS 3000mhz CL14| 
Hard DriveOSMonitorKeyboard
|840 Pro 256gb| |OCZ Vertex 2 120gb| |WD Red 2tb| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 120hz| |Logitech G810 Orion Spectrum RGB| 
PowerCaseMouseAudio
|EVGA SuperNOVA 1000 G2| |Corsair 750D| |Logitech G502 Proteus Spectrum RGB|  |JBL L890 speakers| 
AudioAudio
|Emotiva XDA-2 receiver| |2x Advanced Acoustic MAA-705 @ 200w 8ohm| 
  hide details  
Reply
The up/downgrade
(14 items)
 
  
CPUMotherboardGraphicsRAM
|Intel 6800K @ 4ghz 1.24v| |Asus ROG Strix X99| |Gainward GTX 1070 @ ~2ghz| |4x4gb Corsair XMS 3000mhz CL14| 
Hard DriveOSMonitorKeyboard
|840 Pro 256gb| |OCZ Vertex 2 120gb| |WD Red 2tb| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 120hz| |Logitech G810 Orion Spectrum RGB| 
PowerCaseMouseAudio
|EVGA SuperNOVA 1000 G2| |Corsair 750D| |Logitech G502 Proteus Spectrum RGB|  |JBL L890 speakers| 
AudioAudio
|Emotiva XDA-2 receiver| |2x Advanced Acoustic MAA-705 @ 200w 8ohm| 
  hide details  
Reply
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