GTX 660 Ti "Single Monitor Performance" Setting Increases Card Temp

Arnheim

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Jan 31, 2014
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Right, so I was mucking about in my nVidia control panel settings, and noticed that my GTX 660 Ti had defaulted itself to running in "multiple display performance mode." I only run a single monitor for work and gaming, so I changed the setting back to "single monitor performance mode," and noticed two things:

The first was a startling jump in FPS in Far Cry 3; the game had always run well (at near-max specs; some of the AA was turned down because I just can't see the difference between low AA and high AA), but now it was clipping along at a much smoother frame rate.

The second thing was that my card temps under load were suddenly higher; FC 3 only raised my card to about 58 C even in high-intensity situations--now it's up around 63-64. I know that's still a relatively safe temperature, but the spike worries me.

I'm relatively new to working with gaming-quality graphics cards (my brother-in-law helped me build my current PC about a year ago), so I'm not sure if this is normal or not. Any help or insight would be much appreciated.

As a side question, is it safe to keep the card running in the mid-60 C range for an hour or more? I came from console gaming, and had a couple of XBox 360's die on me--I'd prefer not to torch my card, as EVGA 660 Ti's are getting hard to find over at Newegg, and while I'm considering stepping up to a 770 or 780, I'd rather not have that decision forced on me early by blowing out my card.

Relevant PC specs below:

i5 3570k @ 3.40 GHz
16 GB GDDR 5 RAM
EVGA GTX 660 Ti 2 GB
Rosewill 750 W PSU
 
Solution
Anything under 80s are perfectly acceptable, long-term working temperatures. It's absolutely nothing to worry about. Your card is running hotter since, as you mentioned, it is pushing out higher framerates now.

doubletake

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Sep 30, 2012
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Anything under 80s are perfectly acceptable, long-term working temperatures. It's absolutely nothing to worry about. Your card is running hotter since, as you mentioned, it is pushing out higher framerates now.
 
Solution

Arnheim

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Jan 31, 2014
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Thank you for the quick and concise reply!

I can be a bit of a worrier when it comes to heat buildup in electronic devices, mostly because I've never had a good idea of what's "safe" and what's not--so having some clarification on that issue is very much a welcome thing. Thank you!

Any idea why the GPU defaulted to multiple display mode, though? I've only ever had it connected to a single monitor, and I'm the original owner of the card.
 

doubletake

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Sep 30, 2012
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That option *shouldn't* have anything to do with performance in anything not OpenGL based, as per the description in the nvidia control panel. I really don't know about what it does/when it matters, other than in OpenGL as is mentioned, but seeing as how it defaults to Multi display performance, it shouldn't cause issues. Maybe someone else can pitch in on this.