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290 Tri X(Non-X Version) Silly Sapphire Tri-x are for kids(some temp test for those who want to know) - Page 2

post #11 of 101
Quote:
Originally Posted by PontiacGTX View Post

You are so wrong... if you are going to test the temperatures NEVER leave the fan At auto,my 7870`s vrm reach 80s celsius at bf3,the only one that could be the right

He tested in various conditions smile.gif

Auto is for non advance users thumb.gif
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post #12 of 101
hey guys these VRM's are rated 120c tops right?
post #13 of 101
Yes, most of them 120 and even 150, you want to keep them under 90c as max, or for best results around 70c thumb.gif

Rated, and recommended is not the same thing, efficiency drops are pretty big after 70-80c, noise is produced.
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post #14 of 101
Yes, high VRM temps can also affect stability of an oc.
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post #15 of 101
UP, this can be very very useful for future 290/290X buyers.
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post #16 of 101
Great thread.
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post #17 of 101



Tri X? applaud.gif



Wow even the most consistent fps, impressive.
Edited by psyside - 1/9/14 at 2:39am
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post #18 of 101
Hey guys you have been pressing for this so I thought I would get you some answers. This what I am being told by the engineers.
Quote:
Our VRM cooling design is actually pretty strong. It is all in one with the cooler module. The heat from the mosfet will be directed to the cooling fins and blown away by the air.

However, the reference cooler design is indeed better as the mosfet is right under the blower fan that can take a way the heat immediately.

This is the reason the reference boards have better VRM temps. As for the Tri-X design our card should be able to keep VRM temps under 75C with a VDDC at 1.3V and the 1.2 Ghz core speed. However this would require a lot of fan speed adjustment and would result in a louder card.

In the end everything is a trade off of noise vs cooling and our goal is to try find the best balance. We have had a few reviews in Europe show our VRM at around 80C in a chassis for prolonged gaming sessions with the fan set on auto.

I have passed along your thoughts and comments and our team will be keeping VRM temps more in mind with future designs.
post #19 of 101
i have 4 gpus ..with fan speed set to 60 percent its a like a small turbine runing in there ---

any one here with 4 gpus .
post #20 of 101
Quote:
Originally Posted by VaporX View Post

Hey guys you have been pressing for this so I thought I would get you some answers. This what I am being told by the engineers.
This is the reason the reference boards have better VRM temps. As for the Tri-X design our card should be able to keep VRM temps under 75C with a VDDC at 1.3V and the 1.2 Ghz core speed. However this would require a lot of fan speed adjustment and would result in a louder card.

In the end everything is a trade off of noise vs cooling and our goal is to try find the best balance. We have had a few reviews in Europe show our VRM at around 80C in a chassis for prolonged gaming sessions with the fan set on auto.

I have passed along your thoughts and comments and our team will be keeping VRM temps more in mind with future designs.
Thanks for the info, maybe you could suggest that the higher end models have a heatpipe in direct contact with VRM 1?

VRM 1 puts out a lot of heat on these cards, it would raise the price a bit but would not affect noise. Many people would be willing to pay the premium for better cooling. thumb.gif
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