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Message 46215 - Posted: 17 Jan 2017 | 21:06:53 UTC

What temperatures do you run your cards at? I keep mine in the low 70s and 60s if I can. Have people been noticing a higher death rate with certain temps, from experience, not theoretical.

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Message 46216 - Posted: 17 Jan 2017 | 22:09:00 UTC - in response to Message 46215.
Last modified: 17 Jan 2017 | 22:09:58 UTC

86c for my 980ti 24/7 no errors due to that temp. Never had a card fail.

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Message 46217 - Posted: 17 Jan 2017 | 22:51:24 UTC
Last modified: 17 Jan 2017 | 22:58:52 UTC

60-65°C for my previous gtx980 (MSI) and my current gtx1070 and 1080, also 24/7. The latter Palit GameRock/Jetstream Cards are 2,5 slots high and therefore have extremely good cooling just by sheer radiator mass. Fast, cool and silent, but a little bulky and therefore maybe not everyones cup of tea.

Mild downclocking by ~20MHz surprisingly reduces the temperature of the Palit (and also for the identical Gainward) by another 5-10°C right away. However that may be different with ASUS, Zotac, Gigabyte, EVGA or other products.

Normally the electronic components can withstand much higher temps (>250°C) in order to survive flow soldering, but only for a limited time. So my assumption is that at least the capacitors last longer at 24/7 temperatures less than 70°C. But you know, everything is possible and even a well cooled GPU can fail after one year only. There are little studies on the web with statistical significance, so we can only guess.

Have people been noticing a higher death rate with certain temps, from experience, not theoretical.


Well... exactly that is difficult to say, you never know why a card was failing. You would have to run 1000 identical cards in parallel with different temps and try to get some statistics out of it. IMHO only a GPU manufacturer can possibly answer that. They surely do some load testing with their cards prior to release.
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Message 46218 - Posted: 18 Jan 2017 | 2:46:48 UTC

Try to keep mine at 75c or lower as from my experience this helps reduce errors, system crashes or bad data being created.

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Message 46261 - Posted: 22 Jan 2017 | 14:16:06 UTC
Last modified: 22 Jan 2017 | 14:17:22 UTC

My Maxwell GTX 980 Ti GPUs, which use GPU Boost v2.0, ship with the "Temp Target" set at 83*C. And I've noticed that the drivers will start dropping GPU clocks, when temps get near that.

So, I create a custom fan curve, using MSI Afterburner, where maximum fans are attained before that point, at 80*C. As a result, when this PC is crunching, the GPU fans are quite loud, but the temps stay around 70-80*C, at full clocks, at all times.

Fun!

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Message 46264 - Posted: 22 Jan 2017 | 21:03:10 UTC - in response to Message 46216.

86c for my 980ti 24/7 no errors due to that temp. Never had a card fail.

that's interesting to read. For how long have these cards been crunching?

I also have two 980ti (Palit Jetstream) in one of my PCs, crunching 24/7, and with the NVIDIA Inspector I set the temp limit to 63°C. Am I too cautious?

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Message 46265 - Posted: 22 Jan 2017 | 22:29:31 UTC - in response to Message 46264.
Last modified: 22 Jan 2017 | 22:30:58 UTC

86c for my 980ti 24/7 no errors due to that temp. Never had a card fail.

that's interesting to read. For how long have these cards been crunching?

I also have two 980ti (Palit Jetstream) in one of my PCs, crunching 24/7, and with the NVIDIA Inspector I set the temp limit to 63°C. Am I too cautious?
No. Regarding GPU temperatures the lower the better.
Take a look at the pre-programmed behavior of the GPUs: as temperature rises, the GPU clock and voltage is reduced to preserve the chip. Not just the overclocking capabilities but the lifespan and temperature tolerance is a matter of silicon lottery. One chip could work for years at 86°C, another will fail after 6 months on that temperature.
It's not just the temperature itself which is dangerous, but the expansion (of the chip and the PCB) caused by the change in temperature. Larger change in temperature causes lager expansion that is more wear. The chip and the soldering could withstand a limited number of thermal cycles, the less the expansion the more thermal cycles they could withstand (so the lifespan will be longer).
The PCB has 6-8 layers, two of them is for the supply voltage, but the others have ten thousands of wires (and interconnects between the layers). If only one of them gets cut by the thermal expansion, the card will malfunction.
The lifespan of capacitors is degraded by higher temperatures (that's why most of the manufacturers use "military standard" capacitors).
Thermal cycle is one of the reasons for not to put the GPUs into sockets (the other is the limited width of the card).

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Message 46271 - Posted: 23 Jan 2017 | 9:07:12 UTC

Thanks, Zoltan, for the thorough and informative technical explanations.

So I was not wrong by not overdoing it with the temperatures, and I'll keep them at this level.

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Message 46273 - Posted: 23 Jan 2017 | 13:44:54 UTC

Hello , I've been crunching occassionally with gigabyte geforce gtx-780. Would be nice to do it more but gpu-fans keep noise. How can I make the card silent (lower frequency or something)? I have ubuntu 16.04 , core2duo , driver is 340.101. (newer driver seems to cause computer start-up problems somehow). 'Nvidia x server settings' don't allow to adjust frequencies but is there a way to adjust that somehow?

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Message 46274 - Posted: 23 Jan 2017 | 13:49:31 UTC - in response to Message 46264.

86c for my 980ti 24/7 no errors due to that temp. Never had a card fail.

that's interesting to read. For how long have these cards been crunching?

I also have two 980ti (Palit Jetstream) in one of my PCs, crunching 24/7, and with the NVIDIA Inspector I set the temp limit to 63°C. Am I too cautious?


The 980ti has been running 24/7 for about a year but doesn't always hit my max 86c depends on WU.

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Message 46276 - Posted: 23 Jan 2017 | 14:31:05 UTC - in response to Message 46273.
Last modified: 23 Jan 2017 | 14:43:46 UTC

Hello , I've been crunching occassionally with gigabyte geforce gtx-780. Would be nice to do it more but gpu-fans keep noise. How can I make the card silent (lower frequency or something)? I have ubuntu 16.04 , core2duo , driver is 340.101. (newer driver seems to cause computer start-up problems somehow). 'Nvidia x server settings' don't allow to adjust frequencies but is there a way to adjust that somehow?


As you already mentioned, there is
http://www.phoronix.com/scan.php?px=MTY1OTM&page=news_item
https://wiki.ubuntuusers.de/Overclocking/

From those instructions I would have assumed that you can lower the frequency for both the chip and the memory..? Another alternative would be installing a third Party cooler such as the Arctic Accelero. That one will keep the card cool and silent even at full crunching speed.
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Message 46283 - Posted: 23 Jan 2017 | 18:13:05 UTC - in response to Message 46276.
Last modified: 23 Jan 2017 | 19:31:24 UTC

From a terminal,

    sudo gedit /etc/X11/xorg.conf


Scroll down the xorg.conf file until you see, Section "Screen" and add, Option "Coolbits" "12"

For example,

Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "coolbits" "12" SubSection "Display" Depth 24 EndSubSection EndSection

Save the config file and restart.

On restarting open NVIDIA X Server Settings
Beneath your GPU (GPU0), select PowerMizer
To reduce the GPU clock by 96MHz under Editable Performance Levels, Graphics Clock Offset enter -96. Similarly, to reduce the memory transfer clock by 100MHz enter -100.
To set an audibly acceptable GPU fan speed click on Thermal Settings, Enable GPU Fan Settings and set the fan at something sensible (probably 60% or more) to test it. Keep an eye on the GPU Temperature, and adjust accordingly; so that it does not go too high. Up to 70C is usually fine (if not there's likely a problem with the GPU), if it's above that but below 80C adjust your settings or at least keep an eye on the temp and performance (look out for failures/system issues). If it's over 80C you could increase the fan speed further &/or reduce the GPU clock & memory clock further, testing as you go.

Note that you need to reapply settings after restarting or create an .sh file and enter the settings and set them to run at startup. For multiple GPU's you need to add coolbits for each GPU (under a screen) & you might need specific drivers (375.20). The above is what I'm using for one GPU with 370.28 drivers. Didn't get anywhere with nvclock - might be defunct with 16.04.

Your NV settings can be added to a .sh file, which can be set as an executable and added to the startup list:
Right click on your desktop and Create a New Document, Empty Document and call it nv.sh (must end in .sh).
Past in the following values (note these are for underclocking the GPU & memory and setting the fan), save and close the file,

!/bin/bash

nvidia-settings -a '[gpu:0]/GPUGraphicsClockOffset[3]=-96'

nvidia-settings -a '[gpu:0]/GPUMemoryTransferRateOffset[3]=-100'

nvidia-settings -a '[gpu:0]/GPUFanControlState=1'

nvidia-settings -a '[fan:0]/GPUTargetFanSpeed=60'

Right click on the nv.sh file and select Properties. Under the Permissions tab select Allow executing file as program and close it.
Search your PC for Startup Applications and then Add the nv.sh file to the list (located on the desktop):
    Name: nv.sh
    Command: /home/'username'/Desktop/nv.sh
    Comment: SetGPUandFanSpeeds


The settings will be applied automatically when the system starts up.
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Message 46284 - Posted: 23 Jan 2017 | 19:11:17 UTC

Another way to set the coolbits option is to open a terminal session and enter the following command:

sudo nvidia-xconfig --cool-bits = 12


This will set the coolbits option in the xorg.conf file for you.

Then restart and follow the instructions listed by skgiven.

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Message 46289 - Posted: 24 Jan 2017 | 2:34:54 UTC

I have an EVGA 1080 FTW Hybrid. The waterblock keeps things COOL. Ambient room temp of up to 28-29C, I've never seen the GPU temp go above 51C. I have a 760 in the same box, it runs around 60-65C at the same time. Not worried about either, well within a good temp range for the cards.

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Message 46292 - Posted: 24 Jan 2017 | 11:28:22 UTC
Last modified: 24 Jan 2017 | 11:28:50 UTC

The GP104 chips have a low TDP, 140-180 watts, and since they throw just as big of a cooler on them as the 250 watt cards, they definitely stay cool.

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Message 46408 - Posted: 31 Jan 2017 | 1:04:30 UTC
Last modified: 31 Jan 2017 | 1:05:47 UTC

Currently running a EVGA GTX 1080 SC ACX 3.0. Previous card was EVGA 980Ti SC ACX 3.0. On GPUGrid, with both cards I rarely got much above 60C. The 1080 almost never goes above mid-50s. I do use a custom fan curve, but it never needs to go above 80% and usually runs about 60 - 70%. Part of that is due to having a very well ventilated case (Phanteks Enthoo Primo) and part of it is just due to the superior cooling ability of the ACX fans over the reference blower style.

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Message 46409 - Posted: 31 Jan 2017 | 1:10:14 UTC - in response to Message 46289.

I have an EVGA 1080 FTW Hybrid. The waterblock keeps things COOL. Ambient room temp of up to 28-29C, I've never seen the GPU temp go above 51C. I have a 760 in the same box, it runs around 60-65C at the same time. Not worried about either, well within a good temp range for the cards.


Does your card run at full boost on GPUGrid? My EVGA 1080 SC never wants to boost above base clock when running most BOINC projects. PrimeGrid has a few that always make it boost. I'm just trying to figure out if it's just my card or if BOINC projects are just not working the card hard enough to make it boost. Your temps are similar to mine, but on waterblock so I'm curious.

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Message 46429 - Posted: 3 Feb 2017 | 13:05:05 UTC

Hello and Thank you all the coolbits-advisors. I somehow managed to get editable options to "Nvidia x-server settings" , obviously with a help of little luck. "Standing by" for further experiments. Thanks!

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Message 46430 - Posted: 3 Feb 2017 | 15:36:45 UTC
Last modified: 3 Feb 2017 | 15:39:27 UTC

96°C (205°F) is pretty much.

It's a laptop (i7-4700MQ CPU @ 2.40GHz, 8GB RAM, GeForce GTX 765M (2048MB)).

A good example to demonstrate why *not* to crunch on a laptop.

Run time: 66,440.80 (18h 27m 20s)
CPU time: 21,693.78

<core_client_version>7.6.33</core_client_version> <![CDATA[ <message> (unknown error) - exit code -97 (0xffffff9f) </message> <stderr_txt> # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 90C # GPU 0 : 93C # GPU 0 : 94C # GPU 0 : 95C # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 74C # GPU 0 : 81C # GPU 0 : 83C # GPU 0 : 86C # BOINC suspending at user request (exit) # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 78C # GPU 0 : 84C # GPU 0 : 90C # GPU 0 : 93C # GPU 0 : 94C # GPU 0 : 95C # GPU 0 : 96C # BOINC suspending at user request (exit) # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 78C # GPU 0 : 84C # GPU 0 : 89C # GPU 0 : 90C # GPU 0 : 91C # GPU 0 : 92C # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # BOINC suspending at user request (exit) # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 78C # GPU 0 : 86C # GPU 0 : 89C # GPU 0 : 90C # GPU 0 : 91C # GPU 0 : 92C # BOINC suspending at user request (exit) # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 77C # GPU 0 : 84C # GPU 0 : 88C # GPU 0 : 91C # GPU 0 : 92C # GPU 0 : 93C # GPU 0 : 94C # GPU 0 : 95C # GPU 0 : 96C # BOINC suspending at user request (exit) # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # GPU 0 : 86C # GPU 0 : 93C # GPU 0 : 94C # GPU 0 : 96C # The simulation has become unstable. Terminating to avoid lock-up (1) # Attempting restart (step 15255000) # GPU [GeForce GTX 765M] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GTX 765M # ECC : Disabled # Global mem : 2048MB # Capability : 3.0 # PCI ID : 0000:01:00.0 # Device clock : 862MHz # Memory clock : 2004MHz # Memory width : 128bit # Driver version : r375_00 : 37633 # The simulation has become unstable. Terminating to avoid lock-up (1) </stderr_txt> ]]>

No, I was wrong. 96°C is too much.

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Message 46431 - Posted: 3 Feb 2017 | 16:11:16 UTC
Last modified: 3 Feb 2017 | 16:15:04 UTC

True ... so if one really, really wants to crunch on a Notebook I would strongly recommend to run TThrottle at least in order to keep temperatures below 80°C.

http://efmer.com/b/?q=tthrottle

Having said this, even that protecion mechanism is relatively slow and cannot fully avoid load and temp fluctuation on a mobile device at a somewhat critical level. As for me, I have stopped crunching on my laptop for that reason. Aside from the vacuum-cleaner-like background noise.

Edit: whoever owns that 96°C hot laptop ... didn't you observe burn marks on the table? ;-)
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Message 46432 - Posted: 3 Feb 2017 | 19:10:34 UTC

Crunching on a laptop, even if the gpu is somehow magically cool, kills the fans in a matter of weeks, at most a matter of months.

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Message 46450 - Posted: 6 Feb 2017 | 19:37:05 UTC

Hello folks , I think I got coolbits working , (gtx-780) , temperatures dropped down 5-6 degrees and fans got little more silent with underclocking that -105Mhz that the x-server setting page said to be minimum amount ,... but have anyone underclocked even more? Could it be harmfull to card to reduce the clock-frequency for example 300Mhz?

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Message 46501 - Posted: 13 Feb 2017 | 0:59:38 UTC

This is a new world record: 99°C, and it's *not* a laptop.
e5s10_e2s7p0f124-ADRIA_MI_FAAH_INH_1-0-1-RND4705_0

<core_client_version>7.6.22</core_client_version> <![CDATA[ <message> aborted by user </message> <stderr_txt> # GPU [GeForce GT 530] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GT 530 # ECC : Disabled # Global mem : 2048MB # Capability : 2.1 # PCI ID : 0000:02:00.0 # Device clock : 1399MHz # Memory clock : 793MHz # Memory width : 128bit # Driver version : r343_00 : 34520 # BOINC suspending at user request (exit) # GPU [GeForce GT 530] Platform [Windows] Rev [3212] VERSION [65] # SWAN Device 0 : # Name : GeForce GT 530 # ECC : Disabled # Global mem : 2048MB # Capability : 2.1 # PCI ID : 0000:02:00.0 # Device clock : 1399MHz # Memory clock : 793MHz # Memory width : 128bit # Driver version : r343_00 : 34520 # GPU 0 : 98C # GPU 0 : 99C # BOINC aborting at user request (exit) </stderr_txt> ]]>

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Message 46502 - Posted: 13 Feb 2017 | 4:00:36 UTC

Probably passive cooled, and did I real that right? 1399mhz? That can't be stock.

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Message 46504 - Posted: 14 Feb 2017 | 4:59:58 UTC - in response to Message 46501.
Last modified: 14 Feb 2017 | 5:02:20 UTC

This is a new world record: 99°C, and it's *not* a laptop.


There was once a bug in EVGA Precision X, where, if you shutdown (with fast startup enabled, meaning it hibernates instead of shutting down), then started back up, it would forget your "Auto fan" setting. If your fan was at 0% at shutdown, it'd stay at 0% regardless of load or temp, since Auto was off.

I woke up one morning to find my GPUs (GTX 660 Ti, GTX 460, I believe), all thermal-throttled at 100*C. They were happily crunching away, at some ridiculous clock like 320 MHz, but the thermal throttle saved the day.

I'm glad I switched away from EVGA Precision X, and to MSI Afterburner. Said GPUs are still happily crunching at custom fan curves, at full clocks, no problems, to this day... with MSI Afterburner.

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Message 46513 - Posted: 15 Feb 2017 | 16:10:48 UTC - in response to Message 46504.

I'm glad I switched away from EVGA Precision X, and to MSI Afterburner. Said GPUs are still happily crunching at custom fan curves, at full clocks, no problems, to this day... with MSI Afterburner.

I'll drink to that. Never liked the EVGA app. Afterburner + TThrottle + BoincTasks all the way.

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