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Number crunching :
intel i7 4790K and intel's warranty
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Cliff Harding Send message Joined: 18 Aug 99 Posts: 1432 Credit: 110,967,840 RAC: 67 |
When I first installed my 4770K in May, using the stock cooler, I couldn't run any BOINC apps because the CPU temps immediately went to the high 80c - mid 90c. Installed a Corsair H75 LCS and the temps very rarely get above 60c, even when crunching @ 100% and the ambient temps on the east coast reach mid - high 90c. At the time of this post, I looking at <50c with ambient temp at 56F. I would think that a H75 or greater type of LCS would lower your temps even lower and I don't have the fan sound. I would have installed an existing H70 LCS, but the back plate & mountings wouldn't allow for it on the new board. I've used a LCS approach for several years and will not go back to an air cooled approach, even though others swear by them. Too bulky and I have had issues with the placement on the CPU and clearance with the memory sticks. With the LCS I have a cleaner air flow to the top exhaust. [edit]If and whenever Corsair finally releases their HG10 LCS for GPUs, I'll install them on the twin GTX750TI FTW to decrease fan sound even more. At the moment I get more fan noise from the side fan on my Cooler Master HAF32 - full tower then I get on the GPU or LCS fans.[/edit] I don't buy computers, I build them!! |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
In all the time that I've been building PC's and running SETI I've yet to come across a stock HSF that will handle the heat. ;-) Cheers. |
merle van osdol Send message Joined: 23 Oct 02 Posts: 809 Credit: 1,980,117 RAC: 0 |
Wiggo, Do you use the liquid or air coolers? In all the time that I've been building PC's and running SETI I've yet to come across a stock HSF that will handle the heat. ;-) merle - vote yes for freedom of speech |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
I've only ever used air cooling here as I've never felt the need for water cooling, but I always make sure that I have a well ventilated case to go along with my rigs. ;-) Cheers. |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
Thanks Ivan, The stock heatsink is more than adequate probably around 99.5% of machines. Much like system in your car. If you were to load it up to its maximum load weight & then drive at full speed. You would then find the limits of its cooling capacity fairly quickly. Most people never do that. Do the factory cooling system is designed for most normal use cases. Then the aftermarket takes over for those with higher demands. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
merle van osdol Send message Joined: 23 Oct 02 Posts: 809 Credit: 1,980,117 RAC: 0 |
Hal, What scared me more than anything was your saying you had to replace 2 mb's before you discovered it was the cpu. No thanks - too much work for me. Thanks Ivan, merle - vote yes for freedom of speech |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
[quote]Hal, What scared me more than anything was your saying you had to replace 2 mb's before you discovered it was the cpu. No thanks - too much work for me. [quote] I went through so many sets of memory & MBs because I didn't even consider it was the CPU. As memory & MB issues are infinitely more common than an actual faulty CPU. Despite building my own computers for a few decades & never having such an issue before. I am still not 100% sure that I didn't do something to cause the issue I was having with the CPU. That seems more likely to me than a failed chip getting though multiple quality screenings, or there being a faulty batch due to failed test equipment. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
merle van osdol Send message Joined: 23 Oct 02 Posts: 809 Credit: 1,980,117 RAC: 0 |
If I had known that I may have kept with the quieter intel HSF. I cleaned the intel off and put it in the drawer for possible use here or in my old dell which also has an intel HSF and has done a good job for about 5 years now. I know something else. It's easier to get paste off that is only a week old than paste that is 4 years old. Alcohol is great! Here's to ya. merle - vote yes for freedom of speech |
Zalster Send message Joined: 27 May 99 Posts: 5517 Credit: 528,817,460 RAC: 242 |
Alcohol is always good.... ;) |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
If I had known that I may have kept with the quieter intel HSF. I cleaned the intel off and put it in the drawer for possible use here or in my old dell which also has an intel HSF and has done a good job for about 5 years now. I just use paper towels and rub the gunk off until it comes back clean. I hold onto the stock coolers. I'm not sure why, but I do. I have a box just for old heatsinks and fans. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
Josef W. Segur Send message Joined: 30 Oct 99 Posts: 4504 Credit: 1,414,761 RAC: 0 |
... An Intel stock cooler for a 65 watt CPU might be excellent if it could be mounted on a 20 watt CPU. I'm in favor of repurposing NOS items. Joe |
merle van osdol Send message Joined: 23 Oct 02 Posts: 809 Credit: 1,980,117 RAC: 0 |
There is a line on SIV64 across from L1 Data Cache that says 47C. I think that is the temp on the reverse side of the MB behind the CPU. I guess that would be the number I should always check. Right? Rather than the cpu core #'s. [quote]Hal, merle - vote yes for freedom of speech |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
There is a line on SIV64 across from L1 Data Cache that says 47C. I think that is the temp on the reverse side of the MB behind the CPU. I guess that would be the number I should always check. Right? Rather than the cpu core #'s. I'm not sure what the value in SIV is as I don't use it to monitor my temps. It could very well be the external CPU temp. To me 47ºC seems like a reasonable temp to be reading. With my thermostat telling me it is 75ºF in the living room. My HTPC with an i5-4670K is reading: 49ºC external CPU temp 57-58ºC core temps 34ºC MB/case temp 39ºC PCH (chipset) temp All of the values are good to monitor. I focus more on the CPU core temps rather than the external temp. As the core temps are really the important part. It doesn't matter how cool the outside of the CPU is if the cores are melting. If you are reading 20ºC for the external CPU temp, but the cores are at 95ºC you are probably going to have a bad time. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
... Yeah I always figure I might be able to use them on another project sometime. I have a heatsink at work I rest my phone on while charging to help dissipate the heat. Then some of my old stock P4 heatsinks I am thinking of using on a solar panel inverter I'm designing. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
Admiral Gloval Send message Joined: 31 Mar 13 Posts: 20158 Credit: 5,308,449 RAC: 0 |
I had to help keep my cpu happy also. The hsf was going into overdrive too often. I found the the solution was to remove the factory paste and put a good smear of "Antec Formula 7 Nano Diamond" on. I am running: 3x MB 1x AP 1x data set for climate prediction All on my AMD FX 4170 cpu. System tracker reports the cpu temp is 58ºC-62ºC. |
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