Warning: Can damage your card & void warranty.
Well looks like GK110 is clocking higher than Tahiti which is to be expected since Tahiti is 1.5 years older. There are a few community-made software voltage mods for Titan/780 floating around out there. Looks like Titan and 780 reference PCBs are slightly more robust than GTX590 v1's. I wanted to share and link these with AT VCOG if anyone here is into extreme overclocking & using full water blocks & big PSUs and wants to check them out. They are best suited for cards on full cover water blocks or extreme cooling. You don't need to solder anything to use these mods, they are all software based. You should either know what you're doing & have some experience, or not be concerned with killing your video card. Please don't shoot the messenger.
skynet's GTX Titan bios with disabled Boost & a 440 Watt power limit with 125% PT slider:
http://www.overclock.net/attachments/16482.
Info here & secondary bios:
http://www.overclock.net/t/1363440/nvidia-geforce-gtx-titan-owners-club/14970#post_20765842.
1.3v mod With disabled Load line calibration:
http://www.overclock.net/t/1421221/gtx780-titan-any-ncp4206-card-vdroop-fix-solid-1-325v
Voltage tool alternative 'Artmoney':
http://www.artmoney.ru/e_download.htm
Another alternative 'Rbby258 Tool':
http://www.overclock.net/t/1398725/unlock-afterburner-limits-on-lots-of-cards-titan-to-gtx460
Zawarudo 1.3-1.6v mod tool:
http://www.overclock.net/t/1425102/released-fully-unlocked-ncp4206-voltage-llc-mod-tool
You must have Afterburner 3.00 Beta 14 or Beta 15 for use in conjunction with these mods. Nvidia recommends ref 780/Titan cards remain under 1212mv for safety reasons and keeping your warranty intact. However, if you are here to attempt these mods, throw that out the window and proceed: Titans can use up to 450-500 watts with these higher voltages + unlocked bioses + disabled boost/llc (nearly double TDP). They probably even spike over 500. So if you have two GTX Titans & an overclocked 6 core intel or 8 core AMD CPU, your power requirements can reach up to 500+500+500 = 1500 watts (or even higher on LN2/extreme). Make sure you have ample power on standby.
First use Afterburner to unlock higher voltages. Instructions are located in the threads linked above. You can now set up to 1300mv with the Afterburner slider. Next you will want a high power bios for your 780 or Titan, since these high voltages will still cause high temperatures and high current which will result in throttling & GPU Boost causing downclocking. Then you can use the additional mods/tools to disable Load line calibration for a steadier voltage without vdroop and to further increase the core/mem/aux volts allowing for higher clocks. At some point you will reach your cards limit, and you might not know when that is until you're looking at a black screen & smelling burning plastic.
The downside to these mods is the associated risk. They will void your warranty and can damage your $1000 toy, motherboards, or other components. Thats the price you could pay for doing extreme overclocking. The upside is that it's really easy compared to soldering and will help you get the highest benchmark scores and highest overclocks. The reference boards from Nvidia were designed to operate within designated thresholds which for GTX Titan equals 6 phases @ max 1.212v and 265 watt power target (safe threshold). The mods linked above will override the power target up to 440 watts and the voltage up to 1600mv. Some tools will control memory & auxillary as well. Because of overvoltage, the VRMs become the weakest link in the chain, and Afaik Titan/780 ref pcbs dont report VRM temperatures through onboard sensors. The catch is the card stays the same physically if you aren't adding capacitors or epower or extra phases, so the modifications can overload the VRMS and with prolonged use can degrade the GPU. You can even instantly fry/brick the card without warning. It isn't newbie friendly, but nobody here is a noob right? I can help answer any questions about getting these mods working. Good luck & remember to take heed of the warning and that you assume all associated risk & liability.
Well looks like GK110 is clocking higher than Tahiti which is to be expected since Tahiti is 1.5 years older. There are a few community-made software voltage mods for Titan/780 floating around out there. Looks like Titan and 780 reference PCBs are slightly more robust than GTX590 v1's. I wanted to share and link these with AT VCOG if anyone here is into extreme overclocking & using full water blocks & big PSUs and wants to check them out. They are best suited for cards on full cover water blocks or extreme cooling. You don't need to solder anything to use these mods, they are all software based. You should either know what you're doing & have some experience, or not be concerned with killing your video card. Please don't shoot the messenger.
skynet's GTX Titan bios with disabled Boost & a 440 Watt power limit with 125% PT slider:
http://www.overclock.net/attachments/16482.
Info here & secondary bios:
http://www.overclock.net/t/1363440/nvidia-geforce-gtx-titan-owners-club/14970#post_20765842.
1.3v mod With disabled Load line calibration:
http://www.overclock.net/t/1421221/gtx780-titan-any-ncp4206-card-vdroop-fix-solid-1-325v
Voltage tool alternative 'Artmoney':
http://www.artmoney.ru/e_download.htm
Another alternative 'Rbby258 Tool':
http://www.overclock.net/t/1398725/unlock-afterburner-limits-on-lots-of-cards-titan-to-gtx460
Zawarudo 1.3-1.6v mod tool:
http://www.overclock.net/t/1425102/released-fully-unlocked-ncp4206-voltage-llc-mod-tool
You must have Afterburner 3.00 Beta 14 or Beta 15 for use in conjunction with these mods. Nvidia recommends ref 780/Titan cards remain under 1212mv for safety reasons and keeping your warranty intact. However, if you are here to attempt these mods, throw that out the window and proceed: Titans can use up to 450-500 watts with these higher voltages + unlocked bioses + disabled boost/llc (nearly double TDP). They probably even spike over 500. So if you have two GTX Titans & an overclocked 6 core intel or 8 core AMD CPU, your power requirements can reach up to 500+500+500 = 1500 watts (or even higher on LN2/extreme). Make sure you have ample power on standby.
First use Afterburner to unlock higher voltages. Instructions are located in the threads linked above. You can now set up to 1300mv with the Afterburner slider. Next you will want a high power bios for your 780 or Titan, since these high voltages will still cause high temperatures and high current which will result in throttling & GPU Boost causing downclocking. Then you can use the additional mods/tools to disable Load line calibration for a steadier voltage without vdroop and to further increase the core/mem/aux volts allowing for higher clocks. At some point you will reach your cards limit, and you might not know when that is until you're looking at a black screen & smelling burning plastic.
The downside to these mods is the associated risk. They will void your warranty and can damage your $1000 toy, motherboards, or other components. Thats the price you could pay for doing extreme overclocking. The upside is that it's really easy compared to soldering and will help you get the highest benchmark scores and highest overclocks. The reference boards from Nvidia were designed to operate within designated thresholds which for GTX Titan equals 6 phases @ max 1.212v and 265 watt power target (safe threshold). The mods linked above will override the power target up to 440 watts and the voltage up to 1600mv. Some tools will control memory & auxillary as well. Because of overvoltage, the VRMs become the weakest link in the chain, and Afaik Titan/780 ref pcbs dont report VRM temperatures through onboard sensors. The catch is the card stays the same physically if you aren't adding capacitors or epower or extra phases, so the modifications can overload the VRMS and with prolonged use can degrade the GPU. You can even instantly fry/brick the card without warning. It isn't newbie friendly, but nobody here is a noob right? I can help answer any questions about getting these mods working. Good luck & remember to take heed of the warning and that you assume all associated risk & liability.