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Overclocking a GTX 770

post #1 of 5
Thread Starter 
I have an EVGA 770 SC and I'm using Precision 16, I don't really have any clue what I'm doing though.

What exactly should I be doing?
 
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MBP 13"
(9 items)
 
 
CPUMotherboardGraphicsRAM
4930k 4.6 @ 1.29v ASUS x79 Deluxe MSI GTX 970 4GB @ 1571.7/1944 2x G. Skill Ripjaws X 2x8GB 2133 CAS9 
Hard DriveOptical DriveCoolingOS
Samsung 840 EVO 256GB ASUS OEM DVD-WR thing Noctua NH-U14s two fans Win7 Ultimate x64 SP1 
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2x ASUS VX238H Ducky Shine 3 TKL Blue LED / Blue switches Corsair HX750 HAF 922 
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Logitech G700 SteelSeries 4HD 
CPUGraphicsRAMHard Drive
Intel i7 3520m Intel HD 4000 G. Skill 2x8GB DDR3 1600MHz CAS9 1TB 850 EVO 
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post #2 of 5
I would recommend you to use MSI Afterburner instead, it is made by the same guy (EVGA hired him) and it is a much better product with more options that is more frequently updated. Always use the latest beta as the full versions are far between. You can download it here: http://event.msi.com/vga/afterburner/download.htm

Set core voltage to max and powerlimit to max, this is not dangerous so don't worry as long as temps are in check. Then you can start to increase core clock with +50 and try a demanding game like BF4 or Crysis 1/2/3, or Heaven benchmark. Increase until your computer crashes/blackscreen/artifacts and then start to lower by 10 until it is stable in all your games/software you use.
What I usually do is going a little more than +50 at the time, basically "speed clocking" as I like to call it. I increase it by +100 to +200 at the time, until it crashes, and then move on the the lower increments. Works like a charm and you should find max clock much faster than what many suggests by going +10/20 at the time until you reach the max (which is how I learned OC'ing) and is a method that is un-needed when you can just go for max right away and go down from that.

After you have found a stable core clock (which is what gives the most fps increase) you can move on to memory clock and follow the same instructions there.
Remember to check "Apply overclocking at system startup" in lower right corner, and that you can create several profiles in the same area to if you want to have lower clocks for a game that is not stable at the clocks the other game was stable at.

As for temperatures, keep it under 79c as your card will automatically downclock after that which equals to you losing performance. You can try out first with the original fan profile and see if your temps go above, if it doesn't you don't need to change anything. If it does or you just want lower temps in general create a custom fan profile in Afterburner.
Here's how you can create a custom fan profile: http://www.overclock.net/t/646422/how-to-adjust-your-fan-curve-in-msi-afterburner/0_50

Have fun, and if you need any help feel free to contact me smile.gif
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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| 
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|Emotiva XDA-2 receiver| |2x Advanced Acoustic MAA-705 @ 200w 8ohm| 
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post #3 of 5
Thread Starter 
Okie dokie i'm going to start experimenting with Afterburner instead.

Should I unlock the voltage control and fiddle with that or no?

Baseline i'm at because this is an SC is 1161/1753/1213. What kind of numbers might I expect?

http://i.imgur.com/EdziOLS.jpg
Starting point

Edit: I must have the worst overclocking 770 in existence, I got +80 on the core and I can't even push 250 on the memory without crashing. Yet another reason for me to sell this thing on Craigslist for $150 and buy a 970.
Edited by iSlayer - 10/15/14 at 8:48pm
 
MBP 13"
(9 items)
 
 
CPUMotherboardGraphicsRAM
4930k 4.6 @ 1.29v ASUS x79 Deluxe MSI GTX 970 4GB @ 1571.7/1944 2x G. Skill Ripjaws X 2x8GB 2133 CAS9 
Hard DriveOptical DriveCoolingOS
Samsung 840 EVO 256GB ASUS OEM DVD-WR thing Noctua NH-U14s two fans Win7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
2x ASUS VX238H Ducky Shine 3 TKL Blue LED / Blue switches Corsair HX750 HAF 922 
MouseMouse Pad
Logitech G700 SteelSeries 4HD 
CPUGraphicsRAMHard Drive
Intel i7 3520m Intel HD 4000 G. Skill 2x8GB DDR3 1600MHz CAS9 1TB 850 EVO 
Optical DriveCoolingOSPower
Superdrive Apple products don't have cooling OS X 10.9.5 w/ Bootcamp Win7 Ultimate x64 55W internal and 60W battery 
Mouse
Trackpad 
  hide details  
Reply
 
MBP 13"
(9 items)
 
 
CPUMotherboardGraphicsRAM
4930k 4.6 @ 1.29v ASUS x79 Deluxe MSI GTX 970 4GB @ 1571.7/1944 2x G. Skill Ripjaws X 2x8GB 2133 CAS9 
Hard DriveOptical DriveCoolingOS
Samsung 840 EVO 256GB ASUS OEM DVD-WR thing Noctua NH-U14s two fans Win7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
2x ASUS VX238H Ducky Shine 3 TKL Blue LED / Blue switches Corsair HX750 HAF 922 
MouseMouse Pad
Logitech G700 SteelSeries 4HD 
CPUGraphicsRAMHard Drive
Intel i7 3520m Intel HD 4000 G. Skill 2x8GB DDR3 1600MHz CAS9 1TB 850 EVO 
Optical DriveCoolingOSPower
Superdrive Apple products don't have cooling OS X 10.9.5 w/ Bootcamp Win7 Ultimate x64 55W internal and 60W battery 
Mouse
Trackpad 
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post #4 of 5
Warning: Spoiler! (Click to show)

GTX 750, 1293/1716/1358
unlocking voltage and tdp+power limit in vbios might stop the crashing
Edited by DeathAngel74 - 10/19/14 at 10:44pm
    
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Intel Core i7 7820X 3.6GHz 8-Core Asus STRIX X299-E GAMING ATX LGA2066 EVGA GeForce GTX 1080 Ti 11GB FTW3 HYBRID GAMING Corsair Vengeance RGB 32GB DDR4-3200 
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Thermaltake Water 3.0 Riing RGB 360 AIO LCS Windows 7 SP1 Ultimate 64-bit Samsung 40in. HDTV Razer Ornato Chroma 
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post #5 of 5
Quote:
Originally Posted by iSlayer View Post

Okie dokie i'm going to start experimenting with Afterburner instead.

Should I unlock the voltage control and fiddle with that or no?

Baseline i'm at because this is an SC is 1161/1753/1213. What kind of numbers might I expect?

http://i.imgur.com/EdziOLS.jpg
Starting point

Edit: I must have the worst overclocking 770 in existence, I got +80 on the core and I can't even push 250 on the memory without crashing. Yet another reason for me to sell this thing on Craigslist for $150 and buy a 970.

Um, no.

Go run Unigine Valley with these presets and without multi monitor. You got a superclocked 770, the same as me. You aren't going to be able to overclock a ton because it's already pre overclocked. If you want to overclock more you need to up the voltage. This is not a **** card. My overclock on stock voltage is 30/400 and that's where it's 100% stable. You shouldn't be surprised you can't get high overclocks with a superclocked card.

And you're using a 2GB card for a 3840x1080 setup. Shouldn't be getting anything below 3GB in this day and age, imho.
Edited by Youown - 10/22/14 at 11:09am
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