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 Post subject: Re: Quietest GTX 650 Ti
PostPosted: Fri Sep 27, 2013 11:48 pm 
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Joined: Wed Jun 08, 2005 4:38 am
Posts: 252
http://www.xbitlabs.com/picture/?src=/i ... se-xbt.png

Your MSI is at the range of 32 dB to 62 dB

http://www.arctic.ac/en/p/cooling/vga/5 ... tml?c=2182

Arctic said its GTX 680 at 47.6 deg. C at 2000 rpm w/ comparison the stock cooler at 69.9 deg. C

then comes the noise level. This Arctic cooler is at 0.5 sone or 29.43dB

However, what I don't understand is "Max. Cooling Capacity 300 Watts "

what does that mean? Are they saying the cooler only works for video card that is 300W? Because very few video card is 300W in the past few yr. So it can't be?


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 Post subject: Re: Quietest GTX 650 Ti
PostPosted: Sat Sep 28, 2013 3:00 am 
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Joined: Wed Jun 13, 2007 10:12 am
Posts: 2780
Location: ITALY
Happy Hopping wrote:
http://www.xbitlabs.com/picture/?src=/images/graphics/geforce-gtx-650-ti-boost-roundup/zdnoise-xbt.png

Your MSI is at the range of 32 dB to 62 dB


"My" MSI isn't on that chart (as it's the 1GB Power Edition), however, talking about the 2GB TFIII, and broadly speaking about numbers, mind that: 1) a very few sources are somewhat (more or less) reliable on noise levels, and IMO Xbit Labs isn't one of those; 2) the highest sound levels are referred to a rotational speed of more than 3000rpm, and that fact is a bit hard to believe (usually those fans spin a lot lower) and it should make you cautious about the effectiveness of Xbit Labs findings; eventually all the plotted cards have about the same or very similar sound levels, according to them, and it's a matter of confusion: try to compare Xbit and SPCR findings on similar ASUS 680 (http://www.silentpcreview.com/article1325-page4.html vs. http://www.xbitlabs.com/picture/?src=/i ... se-xbt.png), in order to realize that the data provided by Xbit Labs look like not immediately applicable in real life.


Happy Hopping wrote:
http://www.arctic.ac/en/p/cooling/vga/554/accelero-xtreme-iii.html?c=2182

Arctic said its GTX 680 at 47.6 deg. C at 2000 rpm w/ comparison the stock cooler at 69.9 deg. C

then comes the noise level. This Arctic cooler is at 0.5 sone or 29.43dB

However, what I don't understand is "Max. Cooling Capacity 300 Watts "

what does that mean? Are they saying the cooler only works for video card that is 300W? Because very few video card is 300W in the past few yr. So it can't be?


The declared data are very often of very little usefulness, regardless of the manufacturer/brand name.

What I advised you is to not buy a card thinking of swapping its cooler with an AC Extreme if it should turn out not enough quiet for you, as you might be disappointed by the swap: please take note, you "might" be, so it's an actual possibility, but not a certainty, and mine is a not completely uneducated guess.

About the AC Extreme, check the relevant SPCR review, it should certainly be more informative/instructive than those meaningless "official" data: the power data you're quoting is the max permissible TDP, so "up to 300W" (but with just this data they don't tell you which is the most efficient usage range for that cooler, which is far more important IME).

Definitely, there's not any free lunch quieting a rig.

_________________
Regards,
Luca


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 Post subject: Re: Quietest GTX 650 Ti
PostPosted: Sat Sep 28, 2013 3:15 am 
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Joined: Mon May 16, 2011 11:23 am
Posts: 608
Location: Germany
Happy Hopping wrote:
However, what I don't understand is "Max. Cooling Capacity 300 Watts "

what does that mean? Are they saying the cooler only works for video card that is 300W? Because very few video card is 300W in the past few yr. So it can't be?


This is to be seen like some kind of manufacturer's mpg rating: Looks nice on the fact sheet, but isn't achievable in real live. In addition to stating non-realistic temperatures, most manufacturers tend to overboost their 'noise rating' too.

Bottom line: Do not believe anything what marketing says. Crosscheck with reliable sources. Bad thing is to find out which sources are reliable.


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