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GPU OC Newb/ Help Me Pwease? :)

post #1 of 5
Thread Starter 
OK guys so i've been trying to learn overclocking for awhile now. After a bad oc experience with gpus and my old geforce 560ti, i've focused more on cpu ocing, though my love for gpus still runs strong. I've yet to actually oc my cpu quite yet, but im getting my new cooler soon and that will be my first legit oc adventure!! So now focusing on gpus. My case has pretty good airflow, but nonetheless at stock my gpu was running hot under bf3 load, etc high 80s low 90s which isnt good. I installed two 120mm exhaust fans to help blow hot air out and now the temps rock! under 100% load in furmark it runs at 72C under stock speeds. Now that my temps are better, im back to wanting to oc. My first question is how dangerous is gpu ocing? IDC about how much of a difference it will make ingame, but really just if it's actually dangerous enough to where i may fry my gpu or anything else. I do not have a job, or any solid source of income since im in highschool, so if anything breaks.. i wont be getting new ones and this is my only pc and it's where i spend 90 % of my time when not in school or playing hockey.

Now down to the good part. My whole rig can be found in my sig. My GPU is an EVGA GTX 660ti. no oc, not superclocked, just stock. My mobo is an Asus p8Z77-V LK. I'm using EVGA Precision X software to OC. Now first i want to say im not a total oc dumby, i have knowleadge, limited it might be, about ocing gpu and cpu. To save your time, here is the stock specs of that gpu -
CLOCK: 914mhz
VOLT: 1036
And here is the stock not touched precision x settings:
POWER TARGET: 100%
TEMP TARGET: (locked with power target)
GPU CLOCK OFFSET: +0
MEM CLOCK: +0

I though a good place to start my OC would be to try to match the evga 660ti SC edition clocks on evga's site. These are the precision x settings for that:
Power Target: 105% (+5%)
Temp Target: (locked with power target)
GPU Clock Offset: +66
Mem Clock Offset: (havn’t touched)
So I from what ive heard it’s good to get a solid core clock, and then up the mem clock until you get that as high and stable as possible. I would like to atleast get the speed to a 660ti superclocked, preferably over, and I would really like to get to a stock 670 speed. Is that reasonable? Any tips would rock guys and be as detailed as possible with pics and stuff. Also, my dad is very iffy about ocing, and doesn’t believe in it but I REALLY want to learn and get into really high oc stuff. HUGE Thanks!!! and be as descriptive as possible biggrin.gif
 
Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
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Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
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Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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post #2 of 5
Easist way to do it is max out the power limit (no reason not to) and then increase the GPU and memory overclocks incrementally while checking for stability (Heaven or Valley work for a quick test, then something like BF3 or Metro:LL). You should be able to easily beat the superclock speeds, most likely by a significant margin. Also, be sure to report your actual clock speeds, not the listed speeds or the offset. Since each card boosts differently the only way to compare cards is to compare actual load speeds (GPU speed in Afterburner or Precision while running Heaven or somehting).
post #3 of 5
Thread Starter 
Quote:
Originally Posted by Forceman View Post

Easist way to do it is max out the power limit (no reason not to) and then increase the GPU and memory overclocks incrementally while checking for stability (Heaven or Valley work for a quick test, then something like BF3 or Metro:LL). You should be able to easily beat the superclock speeds, most likely by a significant margin. Also, be sure to report your actual clock speeds, not the listed speeds or the offset. Since each card boosts differently the only way to compare cards is to compare actual load speeds (GPU speed in Afterburner or Precision while running Heaven or somehting).

Thank You so much!! biggrin.gif that's what i thought but i needed some motivation. I wanted to be very cautious with this oc and try my best not to go over 75C under a stress test. I got the card up to 1149.7 mhz and the mem clock to 1566.0 mhz. That looks good to me! It probably sucks but from evga's site it's rivaling the speeds of a stock 680! Under heaven for over an hour the highest my temp went was 75C. Is that good? Should/can i push it further? Thanks for the help!
 
Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
CoolingPowerCaseOther
Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
CoolingPowerCaseOther
Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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post #4 of 5
As long as the temps are okay (and most kepler cards throttle one 13 MHz step at 70C - not sure about the 660Ti though) you can keep pushing until you get crashes and instability. I don't know what a good clock speed is for a 660ti, but you can probably check the Heaven or Valley thread for some scores and sample overclocks for them.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by Forceman View Post

As long as the temps are okay (and most kepler cards throttle one 13 MHz step at 70C - not sure about the 660Ti though) you can keep pushing until you get crashes and instability. I don't know what a good clock speed is for a 660ti, but you can probably check the Heaven or Valley thread for some scores and sample overclocks for them.
k the clock either runs at 1149.7 steady or 1161.1 steady depending on game.
 
Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
CoolingPowerCaseOther
Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
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Gateway Lappy
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5-3570@4.0ghz ASUS P8Z77-V LK  EVGA Geforce GTX 660ti2gb[bios mod]1202/1750 1.... Corsair Vengeance 8gb @ 21331.65v 
Hard DriveHard DriveHard DriveCooling
Western Digital VelociRaptor150gb(boot drive) Seagate Momentus XT Hybrid 7200RPM 750GB(games/... Western Digital Caviar Black HDD 7200 RPM 1TB(r... Corsair H60 as intake at back in push configura... 
CoolingOSMonitorMonitor
x4 120mm Case Fans Windows 7 Professional Dell 24" LED HD (secondary screen) HP 2711x 27" HD (gaming screen) 
KeyboardPowerCaseMouse
SteelSeries 6GV2 Red Switch Edition Corsair HX Series HX750 750W INWIN Mana 137 w/ Modded Window  SteelSeries Sensei Raw Rubberized 
Mouse PadAudioAudioOther
Steelseries Qck Ultrasone Pro 550 S-Logic Asus Xonar DG Blue Snowflake USB Microphone 
Other
Logitech C615 1080p Webcam 
CPUGraphicsRAMHard Drive
AMD A6-5200 Quad-core AMD Radeon HD 8400 6gb DDR3L SDRAM 500GB HDD 
Optical DriveOSMonitorPower
DVD-Writer Windows 8.1 17.3" Active Matrix TFT Color LCD 6-cell Lithium Ion Battery 
CPUMotherboardGraphicsRAM
i7 3770K Quad-Core CPU Asus Sabertooth Z77 ATX Motherboard EVGA GeForce GTX 770 Dual Classified w/ ACX Cooler Corsair Vengeance 16 gig 1866mhz (Black) 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro Series SSD 250GB SSD WD Caviar Black 2TB 7200RPM 64MB cache Asus DRW writer Corsair SP120 Performance Dual-Pack 120mm Fan 
CoolingCoolingCoolingCooling
XSPC Raystorm Acetal CPU Water Block EK-Multioption RES X2 - 150 Basic EK-CSQ Black Compression Fittings (x10) Primochill Elegant White Tubing (6meters) 
CoolingCoolingCoolingCooling
EK-FC770 GPU Block Corsair SP120 Performance 120mm Fan Corsair AF140 Quiet-Series 140mm Fan Alphacool NexXxos UT60 Copper 360mm Radiator 
CoolingPowerCaseOther
Swiftech MCP655-B Pump Corsair AX860i 860 Watt Modular PSU Corsair 760T Corsair Invidividually Sleeved 24-Pin (White) 
  hide details  
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