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Stay away from XFX 7970 Black Edition, design flaw - Page 4

post #31 of 123
Why is that feature funny? It's fantastic that they are starting to do more energy saving features like this.
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post #32 of 123
Er.. Isn't the point of saving power to stop the fan similarly to high efficiency psu's?...
post #33 of 123
Quote:
Originally Posted by Markus View Post

Are you completely blind? Look at the pictures in that post that you linked. The first one is indeed the GPU temperature, you got that right. Take a look at the next two pictures, the first one is of a reference HD 7970 showing the VRM's at 81.6 degrees and the second one is of the XFX 7970 with the VRM's running at 101.6 degrees.
Sorry if I sound angry or something but I just can't stand it when people post stuff like this.

This. No the pics n the link do not say "VRM temps", but if you know the makeup of a graphics card, you will know that the temp readings on the pics of those cards are the core and VRM temps.
post #34 of 123
Quote:
Originally Posted by fashric View Post

Why is that feature funny? It's fantastic that they are starting to do more energy saving features like this.

Sure AMD/ATi (I don't like the way AMD brands it AMD cardmodelhere now) is trying to get the power saving end of the market, but isn't the market competition about how effective the card handles temperatures and performance?

Not one bit have I heard of "effective cooling" from this 7970. Just like any other person who first got their hands on the 7970 and never knew of this feature would start reacting to the idling temps, then find out VRMs reach 100c.
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post #35 of 123
They also OC'd the XFX higher than the reference. 25mhz @ the higher end of a graphics card's limit is the make or break point for a GPU.
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post #36 of 123
Quote:
Originally Posted by SpammisT View Post

Sure AMD/ATi (I don't like the way AMD brands it AMD cardmodelhere now) is trying to get the power saving end of the market, but isn't the market competition about how effective the card handles temperatures and performance?
Not one bit have I heard of "effective cooling" from this 7970. Just like any other person who first got their hands on the 7970 and never knew of this feature would start reacting to the idling temps, then find out VRMs reach 100c.

You do realise that the fan only stops when the card hasn't been in use for a while? Just like a monitor going into sleep mode. It has absolutely zero effect on temperatures when the card is in use and I'm a bit confused as to why you would think that.
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post #37 of 123
The 7970 switches almost *everything* off when it goes into zeroCore mode, the only thing left is barely enough for the OS to recognise that it's still there. The power consumption is ~ 3W, so it can safely switch off the fan.

It kicks in once the monitor is powered down (thru the OS). I've set a hotkey to allow me to do this manually when I leave the PC on for a period of time thumb.gif None of the card overheats.
post #38 of 123
Quote:
Originally Posted by pioneerisloud View Post

I would avoid anything XFX period. Have any of you even seen their revised warranty? 2 years now, instead of double lifetime. Not that I would have bought XFX to begin with, but that's a slap in the face.

I agree with this.
I've gotten a cheap card from them and I will never do business with them again.

Here's a pic of what they did with the Juniper XT (5770) last year.

5770ohno-1.jpg
Edited by amstech - 1/15/12 at 7:38am
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post #39 of 123
Quote:
Originally Posted by SpammisT View Post

Sure AMD/ATi (I don't like the way AMD brands it AMD cardmodelhere now) is trying to get the power saving end of the market, but isn't the market competition about how effective the card handles temperatures and performance?
Not one bit have I heard of "effective cooling" from this 7970. Just like any other person who first got their hands on the 7970 and never knew of this feature would start reacting to the idling temps, then find out VRMs reach 100c.

There is something called power gating. Power is shut off from the card except for one part of the card that creates almost no heat. A USB mouse probably uses more electricity. The fan turns off when the 7970 cuts power to basically everything in the card. It is basically like standby or sleep for only the graphics card.
post #40 of 123

I will wait and get the MSI Lightning anyways.

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