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~~The GTX 670 Overclocking Master-Guide~~ - Page 131

post #1301 of 3357
by wf3 doesnt hit 90% power limit but i crash at 1250mhz core. i know it does it 1228mhz stable. i dont think it even reaches 80% power limit. im super frustrated. but im ok with it for now. nothing maxes 1202mhz sli 670s wink.gif
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post #1302 of 3357
For the GTX 670, what is the TDP power limit before it starts to throttle?
post #1303 of 3357
I can't seem to increase my GPU clock offset much more then this without heaven freezing at some point.
What am I missing here?

post #1304 of 3357
1202mhz is still more than enough in sli. i run a 72hz monitor and everything is smooth as silk. i can max every game with ingame settings and have every nv cp setting set to max quality. dont worry about the clocks until you cant max everything and still get 120fps. i know i wont. i run the same core clock with 3456mhz memory.
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post #1305 of 3357
Quote:
Originally Posted by Mreim76 View Post

I can't seem to increase my GPU clock offset much more then this without heaven freezing at some point.
What am I missing here?

One of your cards may be bad for OC. I would test out each card individually.
post #1306 of 3357
.
Edited by rogeshoe57 - 1/6/13 at 2:00am
post #1307 of 3357
Quote:
Originally Posted by Rampage24 View Post

I haven't noticed any whine sound from mine.
It's strange that we both found it was stable with stock voltage even after tuning it with max. One issue I've noticed with my card is with my power target at 122% it goes up to 130% power causing throttling even when under 70 degrees. No matter what speed, voltage, or temp the card runs it will always shoot over the power target and throttle at some point in a bench mark. Kind of frustrating.

I havent had an issue with the power going above 118. I have only had the PNY GTX 670 for two weeks tho. Anyone else have this 130 power issue? What game or program is causing the issue?
post #1308 of 3357
Just finished OCing my Gigabyte WFx3 670 thanks to this guide, pretty happy with the performance increase in both Heaven and BF3.

Keep in mind I'm using a 1440p monitor smile.gif.

Got the following results:



Max Boost: 1254mhz (~ 1176mhz + 78mhz)
Mem: 1822mhz

Offsets: +117/+650

I'm only somewhat dissapointed in the kepler boost my 670 has. Only 78mhz? Could this be an error in calculations or really my real kepler boost?

Also, is it ok to tick "Windows Startup" and thereby have these settings run whenever I'm using my computer for gaming or will there be long term damages from running OC settings for extended periods of time (including when I'm torrenting/not on the PC).
Edited by genidoi - 1/7/13 at 9:47pm
post #1309 of 3357
Hey guys. Maybe y'all might have a few ideas for me... So two days ago I began to overclock my card. I read through the guide a few times before starting so I wouldn't mess anything up. Well something went wrong. I had just got to +160MHz on the offset and started to run Heaven Benchmark when it crashed. It had crashed before so I thought no big deal, I'll just reboot, lower the offset and try again. Well I was never able to. After the crash Windows wouldn't start. After the Windows splash screen everything goes black and never loads, it's like the system just freezes before the log on screen. If I switch to on-board graphics Windows will boot. I opened Precision and made a default profile and applied it. Closed/Re-opened Precision then rebooted, switched back to PCI-E graphics and it did the same thing. I've un-installed the drivers, used Drive Sweeper to make sure everything was un-installed. The weird thing is that I have video with the card right up till after boot. I can get into the BIOS and Safe Mode with the card it's just after boot that I get no video. Nothing has fixed it. Would flashing the BIOS be a plausible fix? Any suggestions are welcome. If you need any information just let me know.

EVGA GTX 670
Power Target 122%
Voltage Max
K-boost On
Water Cooled
GPU Offset +160 (last stable +140)
Mem Stock


Edit: I forgot one thing. When I boot with the integrated video and it boots, I can use the gtx 670 as a second monitor.
Edited by Zehel - 1/8/13 at 6:37am
post #1310 of 3357
@genidoi-it will only use the 3d clocks during a. "3d" app/prpgram. Desktop and such use 2d clocks
@zehel- did you unapply at windows.startup?
Edited by pc-illiterate - 1/8/13 at 7:11am
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