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[VRZONE] GX2 needs 580watts - Page 3

post #21 of 75
Quote:
Originally Posted by Licht View Post
Maybe the 3870x2 still has some life left after all...
I agree, the 3870 X2 has way less power consumption than the GX2 and most people here on OCN.net can upgrade to the 3870 X2 without upgrading their PSU.

I am predicting that the 9800 GX2 is a fail just like the 7900 GX2. Lets admit it nVidia just sucks at making dual gpu graphic card.
post #22 of 75
Quote:
Originally Posted by Mhill2029 View Post
The 9800GX2 requires to operate with a PCI Express or PCI Express 2.0 mainboard with one dual width x16 graphics card. There must be a 8 and 6 pin supplementary pci express power connectors. The minimum power requirement to operate the card is 580W with a minimum of 40A on it's 12V line.
I don't understand the math. It says minimum 580W.
Then it says Minimum 40A on 12V line, that is only 480W.

Either somebody hit 5 instead of 4 or VR Zone needs to buy a calculator.

Edit: O, they are taking into account the entire system usage. Ok, so the 580W figure is including the Processor and other stuff. And therefore also the 3.3V and 5V lines.
That is really misleading. So, we really don't know how much power the card uses...just that card + computer (of unknown specs) uses a minimum recommended 580W. They could be talking about dual Q6700 Quads + 6HD + 10Fans...I hate figures like these that aren't actually descriptive.
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post #23 of 75
Quote:
Originally Posted by JTD92 View Post
I agree, the 3870 X2 has way less power consumption than the GX2 and most people here on OCN.net can upgrade to the 3870 X2 without upgrading their PSU.

I am predicting that the 9800 GX2 is a fail just like the 7900 GX2. Lets admit it nVidia just sucks at making dual gpu graphic card.
Keep in mind the 9800 GX2 will be far faster then the 3870x2. Enthusiast who are the only ones who buy dual-chip cards really are going to want the faster card and probably already have the PSU for it anyways.
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post #24 of 75
Quote:
Originally Posted by bruestle2 View Post
I don't understand the math. It says minimum 580W.
Then it says Minimum 40A on 12V line, that is only 480W.

Either somebody hit 5 instead of 4 or VR Zone needs to buy a calculator.
Computers use power on rails other than the +12v, so you'll want a power supply capable of providing 40a on the +12v rail, as well as ~100w on the +3.3v, +5v, -12v, and +5vsb rails as well.
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post #25 of 75
Quote:
Originally Posted by Licht View Post
Keep in mind the 9800 GX2 will be far faster then the 3870x2.
Please don't make a comment like that unless you have solid proof behind it.

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post #26 of 75
Quote:
Originally Posted by Mootsfox View Post
Please don't make a comment like that unless you have solid proof behind it.

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8800GT cards in SLI do perform better than the HD3870X2 most of the time. Given that the 9800GX2 is two 8800GTS cards slapped together, even if they perform worse than two 8800GTS cards in SLI, they'll probably do at least as well as 8800GT cards in SLI, and thus perform better than the HD3870X2. Now, that all assumes that Nvidia irons out any issues the 9800GX2 has, and not taking into account power-performance/price-performance ratios, heat output, noise, failure rates, etc. But still, saying that the 9800GX2 will outperform the HD3870X2 is a reasonable assumption at this point, since it's two proven cards hooked up together. Not saying it'll be the better solution or anything, but I'm almost positive it will net you higher frames-per-second in most games.
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post #27 of 75
Quote:
Originally Posted by JTD92 View Post
I agree, the 3870 X2 has way less power consumption than the GX2 and most people here on OCN.net can upgrade to the 3870 X2 without upgrading their PSU.

I am predicting that the 9800 GX2 is a fail just like the 7900 GX2. Lets admit it nVidia just sucks at making dual gpu graphic card.
Nvidia really has only released 1 other dual GPU card, the 7950GX2, (the 7900 GX2 was never really made in enough quantity to be popular) so if anything they have a leg up, and understand what they could have fixed or done better.

As Mootfox said, please leave performance out of this, no even knows what the 9800GX2 is, for all we know it could be two 8800 mobile cards slapped togather, and perform worse than the 3870 GX2.
    
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post #28 of 75
Will my PSU hande 2 in SLI?
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post #29 of 75
Damn.. i forgot the specs of my PSU. All i remember was the wattage.
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post #30 of 75
Watts are no prob I have a 520 to kick in also... but the amps are pack of 36A(730W) and 34A(520W)
Or maybe time for that Odin PSU^^
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