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GTX 660 Ti Reviews
http://www.silentpcreview.com/forums/viewtopic.php?f=19&t=64821
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Author:  lodestar [ Sat Sep 22, 2012 11:43 am ]
Post subject:  Re: GTX 660 Ti Reviews

The percentages refer to the fan PWM duty cycle, so it depends on the fans not the particular graphics chip. So figures of 10% or 30% duty cycle do not mean much without knowing what rpm the fans run at at that setting. It would help if reviewers who commonly show GPU-Z screen shots would include some of the Sensors tab at idle and load. I have found one reviewer who has done this for the Asus GTX 660 Ti Direct CU II. At idle this shows the fans set at 10% duty cycle as expected. This results in a fan speed of 1080 rpm. What did 30% duty cycle on the Phantom GTX 560ti translate into, around 1150 rpm? As I understand it, the Direct CU II fans are 70mm and the Phantom had 80mm fans. So although the Direct CU II fans are running at idle at a similar speed to the Phantom they should be an increment quieter.

Author:  Madmanden [ Sat Sep 22, 2012 12:43 pm ]
Post subject:  Re: GTX 660 Ti Reviews

lodestar wrote:
The percentages refer to the fan PWM duty cycle, so it depends on the fans not the particular graphics chip. So figures of 10% or 30% duty cycle do not mean much without knowing what rpm the fans run at at that setting. It would help if reviewers who commonly show GPU-Z screen shots would include some of the Sensors tab at idle and load. I have found one reviewer who has done this for the Asus GTX 660 Ti Direct CU II. At idle this shows the fans set at 10% duty cycle as expected. This results in a fan speed of 1080 rpm. What did 30% duty cycle on the Phantom GTX 560ti translate into, around 1150 rpm? As I understand it, the Direct CU II fans are 70mm and the Phantom had 80mm fans. So although the Direct CU II fans are running at idle at a similar speed to the Phantom they should be an increment quieter.

Thanks! Yeah, I believe it was around 1200 rpm @ 30%. I'm currently looking into getting the MSI Twin Frozr GTX 660, which seems to be one of the most quiet 660 cards along with the Asus (which unfortunately is quite a bit more expensive here at the moment).

Author:  CA_Steve [ Sat Oct 06, 2012 6:05 am ]
Post subject:  Re: GTX 660 Ti Reviews

X-Bit Labs roundup added. Asus shines.

Author:  CA_Steve [ Thu Nov 08, 2012 7:20 am ]
Post subject:  Re: GTX 660 Ti Reviews

Added Asus TOP review @ Guru3D.

Author:  Zboy [ Sat Jan 05, 2013 10:46 pm ]
Post subject:  Re: GTX 660 Ti Reviews

is there any info regarding evga's signature 2 dual fan cooler?

Author:  CA_Steve [ Sun Jan 06, 2013 8:43 am ]
Post subject:  Re: GTX 660 Ti Reviews

Haven't seen any reviews.

Author:  edh [ Sun Jan 06, 2013 9:02 am ]
Post subject:  Re: GTX 660 Ti Reviews

Zboy wrote:
is there any info regarding evga's signature 2 dual fan cooler?

Only info I can suppose about it is that the cooler may be made by Coolermaster:
http://odm.coolermaster.com/business.php?category_id=1

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