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EVGA GTX780 Coil Whine

dr no said:
Lol!
This is my first dabble with building and so started with what I had.
Lessons being learnt all over the shop :)
Click to expand...

Good man, We all started somewhere and made mistakes, the ones that don't have much money and run flaky old second hand kit really learn, especially with no money to replace stuff having to mend it at component level. The downside is it leaves a wound that starts hurting when you see lovely new kit being mistreated :(


Ok, I have a suggestion, Take all the overclocks off everything (and never use cpu auto overclocking, they just stupidly over volt the cpu) learn how to use the - voltage offset to actually undervolt that Haswell, you should even be able to get a small stable overclock at less than stock voltage ;)
You obviously have precisionX, slide the power target and temp to minimum, again balancing temp and clock sliders will give you stock performance at lower voltage.
Even if you end up with everything under clocked you will still have more than enough power to do anything with that system, I think you will be surprised how little you loose performance wise but the heat reduction is massive. It goes without saying if you can get some more fans in that case do that also.
Personally I would keep at it until loaded temps never exceeded 70c on the GPU.
Forgot, that PSU would be a major cooling asset for that little case if it didn't have a "dumb " fan, If you cant get the fan to run continuously, replace it with a cheaper unit, 450Watt would be fine (you may want haswell compatible) although personally I'd take a chance and just use S3 standby.

Have fun :)
 
Jakus said:
Good man, We all started somewhere and made mistakes, the ones that don't have much money and run flaky old second hand kit really learn, especially with no money to replace stuff having to mend it at component level. The downside is it leaves a wound that starts hurting when you see lovely new kit being mistreated :(


Ok, I have a suggestion, Take all the overclocks off everything (and never use cpu auto overclocking, they just stupidly over volt the cpu) learn how to use the - voltage offset to actually undervolt that Haswell, you should even be able to get a small stable overclock at less than stock voltage ;)
You obviously have precisionX, slide the power target and temp to minimum, again balancing temp and clock sliders will give you stock performance at lower voltage.
Even if you end up with everything under clocked you will still have more than enough power to do anything with that system, I think you will be surprised how little you loose performance wise but the heat reduction is massive. It goes without saying if you can get some more fans in that case do that also.
Personally I would keep at it until loaded temps never exceeded 70c on the GPU.
Forgot, that PSU would be a major cooling asset for that little case if it didn't have a "dumb " fan, If you cant get the fan to run continuously, replace it with a cheaper unit, 450Watt would be fine (you may want haswell compatible) although personally I'd take a chance and just use S3 standby.

Have fun :)
Click to expand...

After much tinkering I have settled on stock for CPU with some overclock on GPU.
I've played with fan profiles and added extra fans blowing onto the GPU and added vented PCI slot covers.

The PSU is fairly new model, is Haswell compatible and has a switch to change from Hybrid to normal mode which keeps fan on all the time.

Currently my GPU under load reaches an average of 69-72'C when benchmarking. CPU reaches about 68'C under benchmarking loads too.

I've tried undervolting to reduce temps but although the CPU copes really well the temps are negligible so I've just left it at stock.

Set up works better than it looks I think :)
 
Last edited:
dr no said:
After much tinkering I have settled onon stock for CPU with some overclock on GPU.
I've played with fan profiles and added extra fans blowing onto the GPU and added vented CI slot covers.

The PSU is fairly new model, is Haswell compatible and has a switch to change from Hybrid to normal mode which keeps fan on all the time.

Currently my GPU under load reaches an average of 69-72'C when benchmarking. CPU reaches about 68'C under benchmarking loads too.

I've tried undervolting to reduce temps but although the CPU copes really well the temps are negligible so I've just left it at stock.

Set up works better than it looks I think :)
Click to expand...

Looking half reasonable there You have shocked me :D

Haswell has very poor heat path from the Die to the heatspreader so I would have thought the improvement would be massive, make sure you run CPUZ and check nothing is overriding your voltage offset under load.

What's the model of that PSU ? sounds good.
 
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