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#1
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Why all the concern over heat?
After reading thousands of posts here and elsewhere regarding overclocking
amd cpus, it seems to me that most overclockers (and pc builder/enthusiasts) are too concerned about heat - or at least their concerns about particular heat ranges are off the mark. Mind you, I'm by no means an expert, but I've overclocked many cpu/mobos and graphics cards, and I often run cpus in heat ranges that a lot of people seem to consider undesirable or even dangerous. Is there any real danger running an athlon at 60+ degrees C under load? Doesn't AMD consider anything under 80-90C "safe?" It seems like the consensus is that desirable temp ranges are 40-50C, with the upper end of that giving a lot of people concern, and causing many to go to greater lengths for cooling. I've seen people brag about temps under 40C, as if they've really accomplished something. Have they? We're only going to use these cpus a couple years (at most) anyway, so any supposed shortening/lenthening of life seems irrelevant to me. On this particular pc, I'm running a mobile 2500 at 2.3ghz using a TR2M1. I have two 80mm case fans that I leave off most of the time because of the noise. If I can believe Sandra, I idle at about 54C, and top out around 64C after 30 minutes of gaming. My 9800Pro g-card is slightly oc'ed and puts off a bit of heat itself. The computer runs great, and I see no evidence that my temp range causes any negative consequences. Just looking for a little discussion. Thank you, jakesnake |
#2
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On Sat, 30 Oct 2004 15:39:36 +0000, jakesnake66 wrote:
After reading thousands of posts here and elsewhere regarding overclocking amd cpus, it seems to me that most overclockers (and pc builder/enthusiasts) are too concerned about heat - or at least their concerns about particular heat ranges are off the mark. Mind you, I'm by no means an expert, but I've overclocked many cpu/mobos and graphics cards, and I often run cpus in heat ranges that a lot of people seem to consider undesirable or even dangerous. Is there any real danger running an athlon at 60+ degrees C under load? Doesn't AMD consider anything under 80-90C "safe?" It seems like the consensus is that desirable temp ranges are 40-50C, with the upper end of that giving a lot of people concern, and causing many to go to greater lengths for cooling. I've seen people brag about temps under 40C, as if they've really accomplished something. Have they? We're only going to use these cpus a couple years (at most) anyway, so any supposed shortening/lenthening of life seems irrelevant to me. On this particular pc, I'm running a mobile 2500 at 2.3ghz using a TR2M1. I have two 80mm case fans that I leave off most of the time because of the noise. If I can believe Sandra, I idle at about 54C, and top out around 64C after 30 minutes of gaming. My 9800Pro g-card is slightly oc'ed and puts off a bit of heat itself. The computer runs great, and I see no evidence that my temp range causes any negative consequences. Just looking for a little discussion. Thank you, jakesnake Jakesnake: I agree wholeheartedly! I have said similar things on posts to this newsgroup in the past: many overclockers spend so much time and effort and worry over heat when it has been shown that there is a huge variability between motherboards, reporting software, heat sensors, heat sensor postions, BIOS reporting, etc, - in other words there is no ACCURATE basis to compare heat reports between various installations. Secondly, it appears most overclockers are also keen techos - and thus they change their systems frequently as you said - so why bother worrying about your precious CPU when you'll probably replace it in 2-3 years! If I were to be cynical I would propose that perhaps the whole heat issue has been blown out of all proportion by the marketing machines of the computer cooling industry! Are we being sold a "bill of goods" to keep our economies ticking over? I have always maintained that many overclockers also do not pay enough attention to their ambient room temperature issue first - before going out and spending a ****load of money on fans and even fancier and pricier cooling solutions. Secondly, they also often have a tendency to put too many fans in their boxes, thus unnecessarily increasing airflow turbulence inside the case (rather than creating a nice easy continuous unturbulent flow of air from the front lower case up through the back upper part of their case). I would suggest that any CPU temperature from 35-65 or perhaps even 70 (for shorter periods of time) is not an issue for overclockers. Larry Gagnon, A+ certified tech. -- ******************************** to reply via email remove "fake" |
#3
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Word.
"Larry Gagnon" wrote in message news On Sat, 30 Oct 2004 15:39:36 +0000, jakesnake66 wrote: After reading thousands of posts here and elsewhere regarding overclocking amd cpus, it seems to me that most overclockers (and pc builder/enthusiasts) are too concerned about heat - or at least their concerns about particular heat ranges are off the mark. Mind you, I'm by no means an expert, but I've overclocked many cpu/mobos and graphics cards, and I often run cpus in heat ranges that a lot of people seem to consider undesirable or even dangerous. Is there any real danger running an athlon at 60+ degrees C under load? Doesn't AMD consider anything under 80-90C "safe?" It seems like the consensus is that desirable temp ranges are 40-50C, with the upper end of that giving a lot of people concern, and causing many to go to greater lengths for cooling. I've seen people brag about temps under 40C, as if they've really accomplished something. Have they? We're only going to use these cpus a couple years (at most) anyway, so any supposed shortening/lenthening of life seems irrelevant to me. On this particular pc, I'm running a mobile 2500 at 2.3ghz using a TR2M1. I have two 80mm case fans that I leave off most of the time because of the noise. If I can believe Sandra, I idle at about 54C, and top out around 64C after 30 minutes of gaming. My 9800Pro g-card is slightly oc'ed and puts off a bit of heat itself. The computer runs great, and I see no evidence that my temp range causes any negative consequences. Just looking for a little discussion. Thank you, jakesnake Jakesnake: I agree wholeheartedly! I have said similar things on posts to this newsgroup in the past: many overclockers spend so much time and effort and worry over heat when it has been shown that there is a huge variability between motherboards, reporting software, heat sensors, heat sensor postions, BIOS reporting, etc, - in other words there is no ACCURATE basis to compare heat reports between various installations. Secondly, it appears most overclockers are also keen techos - and thus they change their systems frequently as you said - so why bother worrying about your precious CPU when you'll probably replace it in 2-3 years! If I were to be cynical I would propose that perhaps the whole heat issue has been blown out of all proportion by the marketing machines of the computer cooling industry! Are we being sold a "bill of goods" to keep our economies ticking over? I have always maintained that many overclockers also do not pay enough attention to their ambient room temperature issue first - before going out and spending a ****load of money on fans and even fancier and pricier cooling solutions. Secondly, they also often have a tendency to put too many fans in their boxes, thus unnecessarily increasing airflow turbulence inside the case (rather than creating a nice easy continuous unturbulent flow of air from the front lower case up through the back upper part of their case). I would suggest that any CPU temperature from 35-65 or perhaps even 70 (for shorter periods of time) is not an issue for overclockers. Larry Gagnon, A+ certified tech. -- ******************************** to reply via email remove "fake" |
#4
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"jakesnake66" wrote in message ... After reading thousands of posts here and elsewhere regarding overclocking amd cpus, it seems to me that most overclockers (and pc builder/enthusiasts) are too concerned about heat - or at least their concerns about particular heat ranges are off the mark. Mind you, I'm by no means an expert, but I've overclocked many cpu/mobos and graphics cards, and I often run cpus in heat ranges that a lot of people seem to consider undesirable or even dangerous. Is there any real danger running an athlon at 60+ degrees C under load? Doesn't AMD consider anything under 80-90C "safe?" It seems like the consensus is that desirable temp ranges are 40-50C, with the upper end of that giving a lot of people concern, and causing many to go to greater lengths for cooling. I've seen people brag about temps under 40C, as if they've really accomplished something. Have they? We're only going to use these cpus a couple years (at most) anyway, so any supposed shortening/lenthening of life seems irrelevant to me. On this particular pc, I'm running a mobile 2500 at 2.3ghz using a TR2M1. I have two 80mm case fans that I leave off most of the time because of the noise. If I can believe Sandra, I idle at about 54C, and top out around 64C after 30 minutes of gaming. My 9800Pro g-card is slightly oc'ed and puts off a bit of heat itself. The computer runs great, and I see no evidence that my temp range causes any negative consequences. Just looking for a little discussion. Thank you, jakesnake Hi, IMHO it comes down to stability, the same cpu will be stable at a low(er) temperature for a certain overclock. I don't aim to run my (amd) system cool for an extended cpu life but for a higher overclock. I'm running a mobile 35w XP2400 at 220 x 12, 1.85v. Above 45-48C I get prime errors within a few minutes, it usually runs around 35-37C under load from seti and is 24hr prime stable. The temps quoted are socket not core so you could say that above 55-58C core temp I get instability. HTH -- Apollo |
#5
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Well said and I wholeheartedly agree. If my system is stable I am not
worried about temps. "jakesnake66" wrote in message ... After reading thousands of posts here and elsewhere regarding overclocking amd cpus, it seems to me that most overclockers (and pc builder/enthusiasts) are too concerned about heat - or at least their concerns about particular heat ranges are off the mark. Mind you, I'm by no means an expert, but I've overclocked many cpu/mobos and graphics cards, and I often run cpus in heat ranges that a lot of people seem to consider undesirable or even dangerous. Is there any real danger running an athlon at 60+ degrees C under load? Doesn't AMD consider anything under 80-90C "safe?" It seems like the consensus is that desirable temp ranges are 40-50C, with the upper end of that giving a lot of people concern, and causing many to go to greater lengths for cooling. I've seen people brag about temps under 40C, as if they've really accomplished something. Have they? We're only going to use these cpus a couple years (at most) anyway, so any supposed shortening/lenthening of life seems irrelevant to me. On this particular pc, I'm running a mobile 2500 at 2.3ghz using a TR2M1. I have two 80mm case fans that I leave off most of the time because of the noise. If I can believe Sandra, I idle at about 54C, and top out around 64C after 30 minutes of gaming. My 9800Pro g-card is slightly oc'ed and puts off a bit of heat itself. The computer runs great, and I see no evidence that my temp range causes any negative consequences. Just looking for a little discussion. Thank you, jakesnake |
#6
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Over 60 is possible instability territory. So, if you routinely run 60 and a
hot day comes along, you're into unknown territory. I duct my cpu heat out the back and it saves all my internal components lots of cooking. System is at 25c. A friend bought a pre-built pc and his palomino was running at 9v with a little 60mm fan type cheap heatsink, with no case fan! I think he was getting 65c idle cpu. 3 caps on his motherboard leaked brown stuff from the heat, and his DVD reader went bad. So heat can kill -- the less of it, the better. Less just -- feels good! -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
#7
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"Apollo" wrote The temps quoted are socket not core so you could say that above 55-58C core temp I get instability. That's what Gigabyte tech support told me -- over 60c is no-man's land. -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
#8
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On Sat, 30 Oct 2004 15:39:36 +0000, jakesnake66 wrote:
After reading thousands of posts here and elsewhere regarding overclocking amd cpus, it seems to me that most overclockers (and pc builder/enthusiasts) are too concerned about heat - or at least their concerns about particular heat ranges are off the mark. Mind you, I'm by no means an expert, but I've overclocked many cpu/mobos and graphics cards, and I often run cpus in heat ranges that a lot of people seem to consider undesirable or even dangerous. Is there any real danger running an athlon at 60+ degrees C under load? Not overclocked, there's probably not much danger, but overclocked to the MAX and lets say stable at 50C could very possible and even likely to corrupt your whole system at higher temps. Doesn't AMD consider anything under 80-90C "safe?" No. They rate the MAX die temp at stock speeds as that (for XP Line). A64 line is much lower, like 70C max. It seems like the consensus is that desirable temp ranges are 40-50C, with the upper end of that giving a lot of people concern, and causing many to go to greater lengths for cooling. I've seen people brag about temps under 40C, as if they've really accomplished something. Have they? 50C under load for the XP line shouldn't present any problems unless the CPU is overclocked. Then, it may be too hot to reach the speed one is trying to reach. We're only going to use these cpus a couple years (at most) anyway, so any supposed shortening/lenthening of life seems irrelevant to me. On this particular pc, I'm running a mobile 2500 at 2.3ghz using a TR2M1. I have two 80mm case fans that I leave off most of the time because of the noise. If I can believe Sandra, I idle at about 54C, and top out around 64C after 30 minutes of gaming. My 9800Pro g-card is slightly oc'ed and puts off a bit of heat itself. The computer runs great, and I see no evidence that my temp range causes any negative consequences. Just looking for a little discussion. Thank you, If it's running fine, then don't worry about it. The same setup on another board may read the temps as 45C and 55C, and even lower on yet another MB. It's all relative, and without knowing the base ambient temp, and the case temp, there's not much one can say one way or the other. The cooler you have is good cooler so I wouldn't worry about it. Now if the case temps are more than 10C above room temp, then you don't have very good case cooling. -- Abit KT7-Raid (KT133) Tbred B core CPU @2400MHz (24x100FSB) http://mysite.verizon.net/res0exft/cpu.htm |
#9
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Wes Newell wrote:
[...] If it's running fine, then don't worry about it. The same setup on another board may read the temps as 45C and 55C, and even lower on yet another MB. It's all relative, and without knowing the base ambient temp, and the case temp, there's not much one can say one way or the other. The cooler you have is good cooler so I wouldn't worry about it. Now if the case temps are more than 10C above room temp, then you don't have very good case cooling. Damn, you took the words right out of my mouth -- Michael Brown www.emboss.co.nz : OOS/RSI software and more Add michael@ to emboss.co.nz - My inbox is always open |
#10
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"Ed Light" wrote A friend bought a pre-built pc and his palomino was running at 9v with a Make that 1.9v -- Ed Light Smiley :-/ MS Smiley :-\ Send spam to the FTC at Thanks, robots. |
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