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[Official] NVIDIA GTX 660TI Owners club - Page 44

post #431 of 3662
It's not called a Twin Frozr edition card, it's labeled as MSI 660Ti Power Edition.

On the box it states that it is a Twin Frozr IV thermal design though.
Quote:
Originally Posted by lordj View Post

Nah, it's just the way it is, I believe. It's like that for me too. I guess it depends on which card you use. With my old GTS250, AB displayed the total clock amount, and I haven't touched any settings after changing to the 660Ti.
For sure, thanks for the confirmation!
post #432 of 3662
Quote:
Originally Posted by sage101 View Post

I don't see the Twin Frozr IV version of the gtx660ti nowhere on newegg. What's the max core clock could you get on stock voltage with your card?
I have no interest in pushing it, but I'm fairly certain it will push pretty far. It came at 1200mhz out of the box, and that's all I needed out of it. I don't know how far you'd get it, but I expect that it should perform similar to any other 660 ti, if not better, due to the aggressive out of the box clocks.
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Intel Core i5 3570K Gigabyte Z77X-UD5H GTX 660 TI Corsair XMS3 DDR3 1600 
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(12 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Gigabyte Z77X-UD5H GTX 660 TI Corsair XMS3 DDR3 1600 
Hard DriveHard DriveOSMonitor
OCZ Vertex 4 Western Digital Caviar Blue Windows 7 Home Premium Samsung SyncMaster S22a350h 
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Das Keyboard Model S Ultimate NZXT Phantom Razer Deathadder Blackmagic Intensity Pro 
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post #433 of 3662
that's what I have, the Power Edition / Overclocked...
post #434 of 3662
Quote:
Originally Posted by malmental View Post

that's what I have, the Power Edition / Overclocked...

Good choice thumb.gif
post #435 of 3662
DITTO.! biggrin.gif
post #436 of 3662
Same here! MSI PE/OC FTW!
post #437 of 3662
Lost my extra power connectors, probably at my parents house. Gonna have to find em on Thanksgiving so I can get my 2nd MSI Power Edition plugged in rolleyes.gif

Staring at it on my desk, so close, yet so far away...
post #438 of 3662
it's quietest card that I have ever owned and I still have Twin Frozr III models in my gaming unit that are cool and quiet too...
post #439 of 3662
Quote:
Originally Posted by malmental View Post

it's quietest card that I have ever owned and I still have Twin Frozr III models in my gaming unit that are cool and quiet too...

Ditto. Very quiet and the low temperature it runs at helps the cooling of my processor by a few degrees.

Out of the box voltage I can clock mine stable a little better than stock 1254 MHz on the core and 6110 MHz on the memory. But these run at 1.175V stock under load. Can t he card really go any higher than that?
Edited by GeneO - 11/18/12 at 6:52pm
post #440 of 3662
I have some not so good news for the MSI 660 TI and 670 PE owners. MSI has overvolted a chip on these boards by over 80%. There is a lot of misunderstanding about this on the web, so just to be clear this is not overvolting the Nvidia chip, but one of the chips that is part of the voltage regulation circuit. Either by accident or design, a capacitor was added to the circuit supplying power to that chip, a Richtek RT8802A chip that provides the PWM control of the phased power for the voltage regulation circuitry that eventually provides power to the Nvidia chip, so it is an important chip and this is way beyond spec (9V to the chip instead of 5V). If this chip screws up it would cause the power to the Nvidia to be unstable or fail. And surely this must affect the lifetime of the chip.

This was discovered by the German Tom's hardware around the end of September supposedly because some systems would not POST because this change would cause more than a 12V load across the PSU, which some PSU could not handle.

This also results in the MSI card being able to sustain GPU boost for a longer time, which gave these cards an advantage in reviews.

So MSI has basically responded as if this was on purpose for a performance boost, they warrant these cards for three years, they use military grade components (sure maybe the caps and chokes but I don't think this chip is and that doesn't mean you can run them out of spec), and that new production runs will not have this but the normal Nvidia performance boost (that was back early October). There tech support on some forums are saying it is covered by warranty so they won't RMA units unless they are faulty (even though they are making a production change for this).

Anyhow, I am attaching links and photos of the location of the offending capacitor. I bought my 660 TI PE last Friday and after inspection I found it has this fault. So they are still out there. I may try returning it to the store. For all I know it could die someday and take other things with it.

Here are some links:

Location photo (it is on the exposed bottom circuit board and fairly easy to locate):

http://translate.google.com/translate?sl=auto&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwww.tomshardware.de%2FMSI-GTX660Ti-Overvolting%2Ctestberichte-241108.html&act=url

Here is an English summary of the issue (the google translation of the original German article is atrocious):

http://www.tomshardware.co.uk/MSI-GTX-660-670-overvolting-PowerEdition,news-40278.html
Edited by GeneO - 11/19/12 at 12:35am
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