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post #52601 of 67898
Quote:
Originally Posted by hurricane28 View Post

Look what i got in the mail today biggrin.gif



I simply could not help myself from buying these because people are always raving about Noctua fans and about the build quality etc.

So i thought, why not try them on my h100i.

When i unboxed them i was impressed by their weight and build quality. People are right, these must be the best fans you can buy!

I mounted them on my rad and i was even more amazed that they are actually more quiet than the standard Corsair SP120's at the same voltage.

I did a quick run with AIDA64 FPU and i was even more impressed by the performance of these fans! I haven't tried with the stock Corsair fans but with these i get a solid 52c with 4.8GHz CPU at 1.476 volts and CPU/NB at 2600 1.35 volts.

They even undervolt quite nicely without loosing much performance. This is exactly what i was hoping for! Need to do more tests tho but as for now, this looks very promising biggrin.gif

My goal of reaching 5Ghz 24/7 comes closer and closer.
just think those are second class to the gentle typhoon which iirc you wont try due to the price

you should see my m8 build i just got around powering all my 4250 rpm fans up wow ( all are pwm moded, but this is at 1000% fan speed ) ---- talk about a wind storm kinda glad i couldnt locate the 5400 rpm fans ..... it doesnt take off but it clears my desk for me .... the tx10 .... is a surprise atm all systems in it are on air only
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post #52602 of 67898
I bet some of you can't hear worth a damn, I'd rather get my PC below 19dB tbh, I made a massive mistake buying my SP120 fans. I wish I would of got Noctua NF-F12's...
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post #52603 of 67898
Quote:
Originally Posted by Benjiw View Post

I bet some of you can't hear worth a damn, I'd rather get my PC below 19dB tbh, I made a massive mistake buying my SP120 fans. I wish I would of got Noctua NF-F12's...

Can you still hear a 19dB fan over your own breathing at 1 meter? tongue.gif

And clearly, dB specs are misleading for the cause of marketing.



Now take this general rule/fact:
Noise doubles every 3dB increment.

continued:
if your PC can run at 19dB noise output, bring it over this place and it will still be loud. :tongue.gif

XoXo
Edited by mus1mus - 9/9/15 at 7:45pm
post #52604 of 67898
Quote:
Originally Posted by xLPGx View Post



...Hot VRMs

I don't think the VRMs are on the socket. You don't seem to have any sink on the VRMs.
Quote:
Originally Posted by Renner View Post

Ok, here's mine. I'm using stock FX-8320E, on Asus Sabertooth FX990 R2.0. Last year I was short with the moneyz so I wanted to keep my previous 550W PSU with R9 280X (which I planned to buy back then), so I wanted to squeeze less power consumption, and after hearing about these 95W refreshes incoming I decided to wait for this one, which I got for some 150€ here.

Its box is a lot smaller than the previous 8320 model, and its stock cooler is so tiny... I thought I will be fine as long as I don't OC it, however, after getting R9 390 it was just barely keeping up with its heat, and i had system shutdowns while using custom fan profiles in MSI AF. Then I got Cooler Master Hyper 212 EVO, and it works like a champ. It wasn't without some hassle, however... That freaking screw from the board holding the stock backplate, I spent almost 7 hours fighting with it and almost damaged the board in the process (small pin I left on it was luckily out of the vital parts...).

Now with this cooler I started thinking about OC it a bit, maybe some 4.2-4.4, or so. I'm sure it will nullify its lower power consumption, and I heard that doing this I have to disable Turbo Boost, which means it wont downclock to save power when it can? I never OC-ed before, so any advice would be welcome.

e model or not, all 83xx and 95xx will take about the same voltage to get to a certain frequency range. For the 4-4.5 GHz range, you're looking at over 1.4 volts in the BIOS setting. If you have the cooling capacity, your load line calibration a bit to prevent too much V drop when it's under 100% load. Actually, the voltage when you're processor is going full-tilt is what really determines it's voltage requirement.

2 different mobos, running the the same CPU might need different voltages set in the BIOS accounting for different V drop characteristics for each mobo.

The e model, MIGHT/ MAYBE need SLIGHTLY less voltage compared to the non-e models, but it's a dung-shoot.

My 8320e needs about 1.416 volts (not under load) with "Medium" Load Line Calibration on my R1 Sabertooth to be stable @ 4.5 GHz (with 130% Current Capability, Optimized CPU Power Phase Control, and Auto Voltage Frequency). The offset value I use is +0.3125 volts.
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post #52605 of 67898
Quote:
Originally Posted by mus1mus View Post

Now take this general rule/fact:
Noise doubles every 3dB increment.

XoXo

Not quite true actually, every +3db requires double the power (in speaker terms)
Every +10db is double the perceived loudness

thumb.gif
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post #52606 of 67898
Quote:
Originally Posted by Mega Man View Post

Quote:
Originally Posted by hurricane28 View Post

Look what i got in the mail today biggrin.gif



I simply could not help myself from buying these because people are always raving about Noctua fans and about the build quality etc.

So i thought, why not try them on my h100i.

When i unboxed them i was impressed by their weight and build quality. People are right, these must be the best fans you can buy!

I mounted them on my rad and i was even more amazed that they are actually more quiet than the standard Corsair SP120's at the same voltage.

I did a quick run with AIDA64 FPU and i was even more impressed by the performance of these fans! I haven't tried with the stock Corsair fans but with these i get a solid 52c with 4.8GHz CPU at 1.476 volts and CPU/NB at 2600 1.35 volts.

They even undervolt quite nicely without loosing much performance. This is exactly what i was hoping for! Need to do more tests tho but as for now, this looks very promising biggrin.gif

My goal of reaching 5Ghz 24/7 comes closer and closer.
just think those are second class to the gentle typhoon which iirc you wont try due to the price

you should see my m8 build i just got around powering all my 4250 rpm fans up wow ( all are pwm moded, but this is at 1000% fan speed ) ---- talk about a wind storm kinda glad i couldnt locate the 5400 rpm fans ..... it doesnt take off but it clears my desk for me .... the tx10 .... is a surprise atm all systems in it are on air only

He probably cant get Typhoons there, i know if i really want them i can but at double the price of the Noctua's wink.gif
Quote:
Originally Posted by mus1mus View Post

Quote:
Originally Posted by Benjiw View Post

I bet some of you can't hear worth a damn, I'd rather get my PC below 19dB tbh, I made a massive mistake buying my SP120 fans. I wish I would of got Noctua NF-F12's...

Can you still hear a 19dB fan over your own breathing at 1 meter? tongue.gif

And clearly, dB specs are misleading for the cause of marketing.



Now take this general rule/fact:
Noise doubles every 3dB increment.

continued:
if your PC can run at 19dB noise output, bring it over this place and it will still be loud. :tongue.gif

XoXo

True that^

My rig runs at around 45db or so daily and i talk louder than it sounds tongue.gif
 
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post #52607 of 67898
Quote:
Originally Posted by snipekill2445 View Post

Quote:
Originally Posted by mus1mus View Post


Now take this general rule/fact:
Noise doubles every 3dB increment.

XoXo


Not quite true actually, every +3db requires double the power (in speaker terms)
Every +10db is double the perceived loudness

thumb.gif

lol

if you are ready to read, take this into consideration. thumb.gif

if you are ready to calculate for yourself, take this online scientific calculator to check if the writing is true.

When taking Voltage values:

dB (gain) = 20 log10 (Vout / Vin)

When talking about Power:

dB (gain) = 10 log10 (Pout / Pin)

and to quote

Quote:
Acousticians and sound protectors ("noise fighters") need the sound
intensity (acoustic intensity)

And that is in short:

dB (gain) = 10 log10 (L2 / L1)

So, if L2 is twice as loud as L1; gain is 3dB.

or,

10 log10 (2/1) = 3dB

and a 10dB rise in noise is a factor of 10 or 10 times louder. thumb.gif
post #52608 of 67898
Quote:
Originally Posted by Sgt Bilko View Post

He probably cant get Typhoons there, i know if i really want them i can but at double the price of the Noctua's wink.gif
True that^

Hey, I can get B/N GTs for about a 1000 Philippines Pesos here.

30 Aud though. redface.gif

Let me know if you want to hook up. (I might or can save international shipping by handing those to my aussie colleagues going home.)
Edited by mus1mus - 9/9/15 at 10:23pm
post #52609 of 67898


Circled the important part tongue.gif
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post #52610 of 67898
Ohh well, here we go again. wild wide web screwing people from facts:

I have given you a source. So take it or believe in your own source or don't bother me no more. biggrin.gif

But since I was able to find your source, I get the feeling that you didn't bother reading the rest of the write-ups and references::
Quote:
A 10dB sound level increase is perceived to be about "twice as loud" in many cases.
Quote:
The sone "10dB rule" is inappropriate at very low and high sound levels where human subjective perception does not
follow it. This can lead to a discrepancy between the loudness of certain repetitive sounds and their sound level..
source:
http://www.campanellaacoustics.com/faq.html
http://trace.wisc.edu/docs/2004-About-dB/
Quote:
Who is involved in audio engineering, should rather take care of the
sound field quantity, that is the sound pressure or the sound pressure
level (SPL)
as an effect at the eardrums of our hearing and on the
diaphragms of the microphones and the corresponding audio voltage
and its voltage level.
source: http://www.sengpielaudio.com/calculator-db.htm



You have to understand that your point referred to the perceived SPL levels rather than the actual noise a thing makes. BIG difference. And varies from medium to medium, environment to environment. thumb.gif

EDIT:
In your defense, I didn't see the word "perceived" in your first reply. doh.gif


But like I said, noise doubles at 3dB increments. We just don't perceive it that way. BUT will not hold true on all tonal qualities of the noise.
Edited by mus1mus - 9/9/15 at 11:35pm
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