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Problem with EVGA overclock tool and GTX660

post #1 of 11
Thread Starter 
What good is the Kboost function for this particular gtx660? I am running SLI Zotac GTX660 2gb, non TI versions. No idea if I should be messing with the voltage and tweaks area or not. Any suggestions for max performance is appreciated.
post #2 of 11
use afterburner.
post #3 of 11
Thread Starter 
I'd to hear from someone who knows what they are doing.
Edited by Portal - 4/1/13 at 4:36am
post #4 of 11
i think i do okay.

here is some really quick google searching i did a few months ago when i had the same question....

http://www.evga.com/forums/tm.aspx?m=1779694&mpage=1

only took a couple of seconds.....

It is a feature mainly designed for EVGA cards.......
post #5 of 11
Thread Starter 
A thread I made just recently

http://www.overclock.net/t/1373551/zotac-gtx660-core-clock-maxed-at-549-crap-plz-help#post_19570857

after a lot of research, still no word on why my gtx660 cant overclock nearly as much as most others. I crash at 1100, some users report stability upwards of 1200. So...yea idk
post #6 of 11
My MSI GTX 660 Twin Frozr is rated at 1033/1098 boost, and goes up to 1150 under 3D load @ stock. However, add 20-30 Mhz (1170-1180) and the program will just crash. The kicker is that I'm not even sure that the stock boost to 1150 is stable - there are borderline signs of instability (constant, occasional flickering, and very minor artifacts?).

Some people just get lemons. I'm considering and RMA, but I'm still not sure if my card is really defective.
I hate my CPU
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I hate my CPU
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post #7 of 11
Thread Starter 
I purchased two of them, they are going back. I am not running something so drastically inept compared to most others.
post #8 of 11

K-Boost prevent your GPU to downclock when not in stress. It's only useful in synthetics benchmarks, where it may give you a slightly better score. I wouldnt use it in normal usage.

 


Precision X is fairly easy to use. Just set the power target to the maximum and slowly increase the clock and memory offset, and use the built-in tool to test for artefacts / errors. Dont bother with the voltage control.

post #9 of 11
Firstly K-Boost is not only for EVGA cards.

What K-Boost does is keep the card at Boost Clock at all times, even during 2D, so it will consume more power and really is only for the user who is benchmarking, running legacy apps that throttle and/or has an issue with card throttling during gaming.
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jfreeZr
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hadronGTX
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2x Samsung EVO RAID0 Phase Change Win8.1 64 Catleap 27" 2560x1440 110Hz 
PowerCaseAudio
EVGA SuperNOVA 1000 P2 Primochill Wet Bench Core3D + Sennheiser HD595 + iBasso Amp 
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by Kanashimu View Post


Some people just get lemons. I'm considering and RMA, but I'm still not sure if my card is really defective.


In the same boat, both of mine crap out at 1100. Thats sad, or everyone else is lying.
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