Nvidia Auto OC??

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stavrosmast

stavrosmast

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Apr 7, 2015
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Hello, today I was monitoring my palit. super jetsream gtx 960 which has the same mhz like evga ssc

and i used palit thunder master software which is like msi afterburner and the core clock speed was 1278mhz and the current 135. When i started doing the opengl bechmark on cine bech 15 the current clock speed was at 1404mhz!!. Is my gtx 960 auto overclocking???cause i havent set any oc option and the core clock is on 0+ at my software oc utility
7opvb6


7opw5n

 
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photonboy

photonboy

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Jun 20, 2006
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NVidia modern cards have a BASE clock and a BOOST clock so it's possible you are confusing the two.

It's similar to Intel's CPU "TURBO" mode. The card under load may go to about 1278MHz then only go to about 1404MHz if it needs to.

(You may want to drop that a little bit. Noise aside, it's difficult to say how that will affect card life).

Other:
The VIDEO MEMORY also has to be overclocked or may become a bottleneck (and it may not overclock as well). In general, I tend to overclock both GPU and VRAM the same amount until it becomes unstable then back off at least 5% on both.
 
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photonboy

photonboy

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Jun 20, 2006
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UPDATE:

Okay, now I see what you are saying... The BOOST clock is closer to 60MHz higher so that doesn't add up. I've heard other people say the frequency went higher than what they set as the BOOST clock.

I'm not certain if that's how NVidia with GPU Boost 2 or just the software Palit provides but it may be autoclocking as high as it can within the set POWER LIMIT.

*If you think that's too high (or just too noisy) then go back to default settings or overclock a bit less.
 
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photonboy

photonboy

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Jun 20, 2006
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About CURRENT:
Increasing the VOLTAGE has more of an impact on heat (and lifespan) than frequency so you should never put that higher than needed to remain stable. This ties into the Power Target setting which is basically putting a cap on how much the card can draw.

In the past you might simply increase the FREQUENCY until it crashed, then the VOLTAGE until it was stable but this is not exactly how it works now. In fact, it's actually possible to get WORSE performance if you don't put in the right settings as it can overheat and throttle down.

It's also worth noting that in some software the MEMORY offset value might not be what you think. Without getting too technical, you can MONITOR the memory frequency in softare so if you overclock by say 5% and it is 7000MHz then it should show about 7350MHz.

*If this is a NEW CARD I recommend leaving at stock settings for a month.

**When you overclock I recommend running at least TWO different Benchmarks in a LOOP (to heat up the card). Such as Unigine Valley. Make note of the benchmark SCORE once temperatures stabilize.

RECORD these scores with the default settings, then after you overclock repeat these tests to compare. If the scores aren't increasing much, are the same or even WORSE then it's probably best not to overclock that high.
 
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stavrosmast

stavrosmast

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Well it didnt make any noise and as i said i didnt oc anything so maybe the vram is being overclocked automatically like the core clock. You say that i need to oc and my vram clock?
 
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stavrosmast

stavrosmast

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As i told u before i DIDNT do any overclocking or voltage tweaks nowhere should i run cine bech and which one together? My base clock is set to 1278 but it goes automatically to 1404mhz. But as nvidia says the clock increses only of you have enough strong cooler and i have 2 gpu coolers so thats why it goes so high i think
 
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