Personal computing discussed
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Airmantharp wrote:Solid sub-800MHz load speeds on a card spec'd for 1GHz boost in 'quiet' mode is a bit of an issue.
JohnC wrote:Only by manually raising the stock fan speed to 50% I can get a "smooth" non-throttling clock speeds.
Chrispy_ wrote:As John points out, raising the fan to 50% pretty much solves the problem at the cost of noise - so AMD's cooler is solely to blame. it's either too cheap, inadequately designed, or a bit of both.
Chrispy_ wrote:One last sidenote is that AMD (and Nvidia, for that matter) never guaratee their boost clocks. "Up to 1GHz" does mean "not always 1GHz.
JohnC wrote:Only by manually raising the stock fan speed to 50% I can get a "smooth" non-throttling clock speeds. This is a screenshot with fan speed manually raised in driver's settings. Once again, image is clickable.
End User wrote:I run my Titan (currently in a workbench setup on top of my desk, not even in a case) at 100% fan most of the time, and I don't mind the noise! It maybe loud objectively (in terms of dBa), but it's very "blowy" or "windy" and not shrill at all. I actually find the noise quite soothing at night when I'm going to bed, and so does my partner.I run dual 770's at 80% fan speed when I game and noise is not an issue. I think I'm going to buy a noise meter app to see how loud my system is. I'd be interested to see results from other TR users.
sschaem wrote:I don't think Furmark should ever be used for anything.Anyways, for sure the 290x is throttled. And for sure it does not stay at 1ghz when temp goes up.
Those 2 points cant be denied.
But I think graphing furmark is more reliable to see whats goes under the hood.
Chrispy_ wrote:John points out, raising the fan to 50% pretty much solves the problem at the cost of noise - so AMD's cooler is solely to blame. it's either too cheap, inadequately designed, or a bit of both.
Razorjack wrote:JohnC wrote:Only by manually raising the stock fan speed to 50% I can get a "smooth" non-throttling clock speeds. This is a screenshot with fan speed manually raised in driver's settings. Once again, image is clickable.
I may have missed it when you posted your findings, but are you running in "Quiet" or "Uber" mode. I read that "Quiet" mode will keep the fan at 40% and will throttle to keep the temp/power draw to 95C unless you manually change the fan setting. I read on a few sites, if you want constant 1Ghz, you had to be in 'Uber" mode (55% fan). Seems everything is based on maintaining 95C when running stock setup and throttling keeps this in check.
Sorry if I missed this peice of information in the discussion. I saw info about this at [H] : http://www.hardocp.com/article/2013/10/ ... d_review/2 where they talk about quiet vs uber mode.
Chrispy_ wrote:As John points out, raising the fan to 50% pretty much solves the problem at the cost of noise - so AMD's cooler is solely to blame. it's either too cheap, inadequately designed, or a bit of both.
Airmantharp wrote:Sluggo, a triple-slot fully-exhausting blower would be fine by most standards, given that there's usually space for such a blower on most boards set up for two GPUs. They could angle the centrifugal fan to get more efficiency out of it, or make it deeper, and use a combination of heat pipes and a vapor chamber to quickly disperse heat away from the GPU/memory/transformers and into the fins. Having a third slot would definitely help reduce exhaust flow restrictions.
End User wrote:Why did you get the 290x?
End User wrote:Did you replace the Titan or do you have another gaming rig?
End User wrote:What fan speed did you use with the Titan?
sluggo wrote:Yep, a larger housing (for a larger fan) would be a big help, but that's not what they seem to want to do. I had a old aftermarket cooler for a 6600GT back in the day that used a centrifugal fan and it worked beautifully - quiet and efficient. But it was large.
sluggo wrote:This is fascinating! I really enjoy posts like this, which get a little bit into the science of hardware.Just to go off topic for a bit ...
Razorjack wrote:JohnC wrote:Only by manually raising the stock fan speed to 50% I can get a "smooth" non-throttling clock speeds. This is a screenshot with fan speed manually raised in driver's settings. Once again, image is clickable.
I may have missed it when you posted your findings, but are you running in "Quiet" or "Uber" mode. I read that "Quiet" mode will keep the fan at 40% and will throttle to keep the temp/power draw to 95C unless you manually change the fan setting. I read on a few sites, if you want constant 1Ghz, you had to be in 'Uber" mode (55% fan). Seems everything is based on maintaining 95C when running stock setup and throttling keeps this in check.
Sorry if I missed this peice of information in the discussion. I saw info about this at [H] : http://www.hardocp.com/article/2013/10/ ... d_review/2 where they talk about quiet vs uber mode.
auxy wrote:When I run Furmark, my GPU clock -- normally pegged at 1202Mhz in games -- dips way down to 600, 500Mhz (!) and stays there -- and the card still hits the 80C temperature limit.
auxy wrote:sluggo wrote:This is fascinating! I really enjoy posts like this, which get a little bit into the science of hardware.Just to go off topic for a bit ...
Super awesome post!
swaaye wrote:Triple slot cooling would be trouble for the crossfire/SLI people, and so are axial fans because they tend to get blocked or just suck in hot air from the other card's backside.
Chrispy_ wrote:What we need is a new standard to replace ATX and ITX - the steam box seems like a decent option because it gives the GPU as much space as the CPU by having the graphics card parallel to the motherboard.
JohnC wrote:Doesn't that kinda invalidate Furmark as a testing tool, though?Yes. Both Nvidia and AMD can specifically detect the Furmark (through drivers) and apply aggressive downclocking and/or power limiting (regardless of GPU temperature) to prevent potential damage to the card. This has been happening since like 2009 or so.
Captain Ned wrote:Didn't that mostly not work because Intel abandoned it themselves, though? (。ヘ°)Chrispy_ wrote:What we need is a new standard to replace ATX and ITX - the steam box seems like a decent option because it gives the GPU as much space as the CPU by having the graphics card parallel to the motherboard.
BTX tried and we all saw how well that worked in the marketplace.