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Valley, Precision, and my own assumptions are drawing 3 different clock speeds for my Titan. Which is right?

post #1 of 2
Thread Starter 
Hi everyone!

I feel like this surely is answered somewhere, but I'm not really sure how to word it in Google. Pretty much every search just brings me to the Valley thread here on OC. So sorry if this is dumb.

I have a watercooled Titan, and I'm tinkering with some OCing.

It's a base EVGA Titan, so it should have an 837Mhz baseclock, and an 876Mhz boost clock, and this is what Precision seems to report.

So, in Precision I do a GPU Clock Offset of +100Mhz. In my mind, that means that when at near 100% usage, and so long as I hit no thermal barriers (which I don't - always a nice, cool 35-42c) - it should be clocked at 876 base + 100 offset = 976Mhz. And 976Mhz is what should be reported in different utilities.

Well, in different stress testers and in my games, I'm showing a clock of around 1100Mhz from Rivatuner statistics. Where is that coming from?

And then, if that wasn't weird enough, when I run the Valley Benchmark, it's showing an active clock of 1315Mhz in its own data.

So which is right? Or what am I not getting? Thank you!
post #2 of 2
Valley doesn't read kepler correctly, Precision is accurate. Kepler boost does not function the way you are thinking it does (actually, your 876+100=976 pretends it doesn't even exist), it will continue to boost within its thermal and power limits if it can do so above and beyond any base clock modifiers (+100 in precision) that you have applied.

The card will continue to boost in 13mhz increments as long as it is within its capability to do so. This is why Kepler cards sometimes boost very high when you first start a game but gradually slow down as they heat up, finally settling at a clock speed that can be maintained at the thermal limits specified.
Edited by Scorpion49 - 7/21/13 at 10:54am
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Overclock.net › Forums › Graphics Cards › NVIDIA › Valley, Precision, and my own assumptions are drawing 3 different clock speeds for my Titan. Which is right?