• Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

the 4850 runs too hot

bcham

bcham

bcham

Associate
Joined
4 Jun 2008
Posts
734
Location
west yorkshire
70% idle is way to hot.looks like overclocking is out.wonder how long these cards will last at these temps.
 
My GTX can hit 90'C when I have my heating on or it's a warm day up here. The 4850 at those temps wouldn't bother me also. As Greebo has stated. A quick application of some AS5 and you're laughing :).
 
Last edited:
bcham said:
70% idle is way to hot.looks like overclocking is out.wonder how long these cards will last at these temps.
Click to expand...

Probably a very long time. They are obviously designed to cope with the thermal solution and envelope, so I wouldn't worry about it.

What you must absolutely bear in mind is that temperatures are only an issue when you're watching them. As soon as you stop looking at temperatures (Assuming your PC is stable) they stop becoming a problem.

Yes, I am aware that 50% of threads on this and the overclocking forum are normally based around "are my temps ok?" or "my chip is running hot at 45oC!!!!111" or something like that... but pretty much none of them warrant valid concern because people have a perceived problem when they see the temperatures rise above somebody else's who happened to be on watercooling.
 
bcham said:
70% idle is way to hot.looks like overclocking is out.wonder how long these cards will last at these temps.
Click to expand...

This was written about the X800's but I can't see there being much difference with newer chips.

"At over 100C or so at the die temperature, thermal issues and possibilities of permanent damage start being important (I would strive to keep it below 100C). Certainly by 125C, permanent damage will occur. Below, that, life expectancy is shortened with higher temperature, but you should be fine for a few years.

We test our boards up to 55C ambient temperature, and at that temperature, all of them work fine. Most computers have much lower ambient temperature, and the associated die temperature should be fine, except if there is a fan failure."
Click to expand...

So yeah temps only really become a problem if they get to 125c which they won't.
 
Yeah, my x1900xt has been hitting 90+ C since I got it two years ago and it's still running flawless. Obviously the lower the temps the better, but the gpu running a little toasty isnt's the end of the world!
 
mrthingyx said:
Probably a very long time. They are obviously designed to cope with the thermal solution and envelope, so I wouldn't worry about it.

What you must absolutely bear in mind is that temperatures are only an issue when you're watching them. As soon as you stop looking at temperatures (Assuming your PC is stable) they stop becoming a problem.

Yes, I am aware that 50% of threads on this and the overclocking forum are normally based around "are my temps ok?" or "my chip is running hot at 45oC!!!!111" or something like that... but pretty much none of them warrant valid concern because people have a perceived problem when they see the temperatures rise above somebody else's who happened to be on watercooling.
Click to expand...

I agree. If your games start to crash/act up then I think it's right to check temps. Not worry beforehand. If it ain't broke, don't fix it :).
 
Broken Hope said:
So yeah temps only really become a problem if they get to 125c which they won't.
Click to expand...

Is that for ATI's 4800 series?.

If my GTX hits 105'C on the diode then I get a about a 60-70% reduction in FPS until the GPU cools enough to release the full power again. It usually crashes if it gets to this temperature but on the odd occasion it just throttles instead. I only get this when I overclock and there's a tiny bit of ooze in the fan. I'm talking minimal here and it affects me greatly, only takes seconds to sort though :).
 
J.D said:
Is that for ATI's 4800 series?.

If my GTX hits 105'C on the diode then I get a about a 60-70% reduction in FPS until the GPU cools enough to release the full power again. It usually crashes if it gets to this temperature but on the odd occasion it just throttles instead. I only get this when I overclock and there's a tiny bit of ooze in the fan. I'm talking minimal here and it affects me greatly, only takes seconds to sort though :).
Click to expand...

Heh no idea if it fully applies to the 4800 series, it was stated about the x800 series when people were worried about high temps. The main point I was trying to make though is that GPU's are designed to run at much higher temps. Not sure what thermal envelope Nvidia GPU's are designed around though, could be lower than ATI GPU's.
 
Always good practice to re-apply some better TIM anyway, although there's always the risk of voiding your warranty if they notice it's different to the stock stuff and you have to send it back.
 
Broken Hope said:
Heh no idea if it fully applies to the 4800 series, it was stated about the x800 series when people were worried about high temps. The main point I was trying to make though is that GPU's are designed to run at much higher temps. Not sure what thermal envelope Nvidia GPU's are designed around though, could be lower than ATI GPU's.
Click to expand...

Ahh cool. I used to have the X800XT PE but using a 1280x1024 resolution games ran fine. Even overclocked (small OC :() I never had a problem.

Nvidia, well for the G80's at least and I suspect the G92's (maybe lower) the diode is 105'C and the heatsink is 95'C. I ran ATI Tool and used the "show 3d view" to build up the heat again whilst monitoring Everest and seen the FPS drop at these temps before I removed the ooze for the first time.

I actually first noticed it whilst playing on a CoD4 server. About ten minutes in, my FPS at 1600x1200/4xAA dropped to about 18-20 and it was horrible. It lasted for about two minutes then the game sprang back into life. This done this two more times before I quit out and tried ATI Tool whilst watching temps and then knew it was throttling. Removed the card, seen the ooze, removed it, problem sorted :).
 
My 3870 sits at 40c on Vista with a passive cooler. I have two case 800 RPM fans at 5v and a CPU fan at 5v as well. The included coolers were always rubbish tbh.

Is PowerPlay working?
 
fanspeed is stuck at 14%, that's why. Once we have some appropriate tools to adjust fanspeeds it will be fine.
 
I don't think powerplay is working currently on the 4850's as ATI did state that the 4850 should consume less than 25 watts when idle.

Still its nothing to worry about, my 2900XT idle'd at 64c and load of 87c until i replaced the cooler with the HR03 now its 43c idle, 56c load
 
my 2900 ida temp is not to bad (with stock cooler) see below, but the load temp goes to 82c.. as for the 4850 at stock ati wouldn't of made it to be that high in temp if it couldn't handle it, but maybe if u wanna overclock it u may need a better cooler on it but tbh ati doesn't support overclocking so its down to the person to keep the temps down while overclocking.

Temperatures
Motherboard 27 °C (81 °F)
CPU 23 °C (73 °F)
CPU #1 / Core #1 36 °C (97 °F)
CPU #1 / Core #2 36 °C (97 °F)
CPU #1 / Core #3 36 °C (97 °F)
CPU #1 / Core #4 36 °C (97 °F)
GPU 48 °C (118 °F)
GPU Ambient 41 °C (106 °F)
GPU VRM 46 °C (115 °F)
 
Last edited:
I picked up a 4850 yesterday, and was a bit disappointed to note that the cooling fan although quiet, had an annoying ticking noise!

Idle temps with the stock fan were around 75c on my system.

I'd always planned to stick an accelero S1 on that I've got laying around, so I did that and now it idles at 45c.

I stuck some heatsinks on the mosfets etc that the OEM cooler covered, and so far I'm overclocking it to 700/2100 with no issues at all.
 
I just replaced the stock paste with some XSPC thermal paste and idle temps have gone down from 64 to 54, load temps from 85 to 70! I'm thinking it wasn't mounted properly or something.
 
You must log in or register to reply here.
Back
Top Bottom