GTX 660 Overclocking help

[Daniel256512]

Hey

 

I recently started looking into overclocking and how to and I've been pretty confused and also been having some trouble

I downloaded MSI Afterburner and Heaven Benchmark 4.0, but when I run it on stock settings, it seems to run faster than when I modify any of the settings.I keep increasing the core clock by 10 or memory clock by 100, sometimes together and sometimes by itself, i just mess around with it, and still I'm getting less performance than stock settings.

I do put the power limit to 110 if you're wondering.

 

Any help would be appreciated, Thanks.

 

 

 

Specs:

MOTHERBOARD: Asus Rampage IV Extreme

CPU: Intel i7 3820 @ 3.60GHz

RAM: Cosair Vengeance

GPU: Gigabyte GTX 660 OC

 

 

[Jogostar]

at some point the OC won't work anymore, and/or do the opposite. Your 660 is already OC'd so that may be the reason.

[Flyguygamer]

^ what @Jogostar said. Sometimes you just lose the silicon lottery. 

[Ryan Leech]

If you are comfortable with voiding the warranty, you could flash the BIOS and overclock without limits.

 

http://www.overclock.net/t/1330897/official-gtx-660-non-ti-owners-club

[Leonard]

My 660 OCd very easily at the stock OC but after i flashed the BIOS i am now able to do 7008MHz on the memory clock, 1280MHZ on the GPU boost clock minumum GPU voltage of 1050v and with a maximum of 1.212v and the temperture is 74C ambient of 28C. Not saying you should do it but this is how i got mine to be what it is now.  Just take your time with it and do proper research on GPU OCing.

 

[Daniel256512]

My 660 OCd very easily at the stock OC but after i flashed the BIOS i am now able to do 7008MHz on the memory clock, 1280MHZ on the GPU boost clock minumum GPU voltage of 1050v and with a maximum of 1.212v and the temperture is 74C ambient of 28C. Not saying you should do it but this is how i got mine to be what it is now.  Just take your time with it and do proper research on GPU OCing.

 

GPU OC.png

It's not that it won't overclock, I slide the core clock and memory clock with MSI afterburner or one more than other and the performance goes down? I really don't know...

[Leonard]

It's not that it won't overclock, I slide the core clock and memory clock with MSI afterburner or one more than other and the performance goes down? I really don't know...

I followed that. I am saying that i could only OC my 660 to a certain OC before it would throttle. When i flashed the GPUs BIOS my performance increased as shown in the picture i put up. Then again it may just be your GPU's characteristics. Of the five GPU tweakers i have used, I have found that GPU tweak is the easiest to use.