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GTX 590 on a 620W PSU?

post #1 of 33
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I'm looking to get back into folding and always go all or nothing. I've got a Corsair HX620 which is a quality psu. I'm wondering if I could run a GTX 590 (~300W) on my current setup instead of the GTX 275.

The HX620 has a single 50A 12V rail. JonnyGURU.com did a thorough review of the psu with up to 623W and 39A on the 12V rails.

Right now at with my i7 o/c'ed to 4.2ghz my UPS says I'm only pulling 420W while I'm at full system load.

I'ed rather be safe then sorry but I would prefer to keep this psu if it can handle it.

Thanks for your thoughts.
Edited by remer - 2/17/11 at 1:28pm
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post #2 of 33
If im not mistaken, the gtx480 uses **** loads more power than the 5xx.

Im running a 4.14ghz O/c, and have a 700w PSU.
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post #3 of 33
The 590 is going to be a dual gpu card and will use more power than the 480.
Quote:
Originally Posted by MysticHawk;12354944 
If im not mistaken, the gtx480 uses **** loads more power than the 5xx.

Im running a 4.14ghz O/c, and have a 700w PSU.
    
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post #4 of 33
Yeah.
No, thats not going to work.
The 590 is a Dual GPU card and the 580 has a TDP of just under 250w. No way the 590 draws only 300. I doubt a 620w could support it and the rest of a system at idle. And even if it could run them at idle it would totally collapse under load.
Get at least a 750 Watt.
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post #5 of 33
It depends on what the GTX590 pulls under load, and a heavy overclock.

Your current PSU is enough for any SINGLE GPU card out there. Easy. Stepping into a dual GPU setup is going to be VERY tight on it. Anything more than dual 460's will be very very tough on it, and likely won't work right.
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post #6 of 33
it will be fine, if the 590 pulls more then 300w it violates some PCI reulation
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post #7 of 33
Quote:
Originally Posted by Johnny Guitar;12355035 
it will be fine, if the 590 pulls more then 300w it violates some PCI reulation

I tm pretty sure thats only for power drawn from the PCIe slot.
My GT240 drew about 200 under load.
My 460 pulls nearly 300.
http://www.bit-tech.net/hardware/graphics/2010/07/12/nvidia-geforce-gtx-460-graphics-card-review/11
http://www.tomshardware.com/reviews/geforce-gtx-460-gf104-fermi,2684-13.html
http://www.guru3d.com/article/geforce-gtx-460-review/13
Quote:
Originally Posted by pioneerisloud;12355008 
It depends on what the GTX590 pulls under load, and a heavy overclock.

Your current PSU is enough for any SINGLE GPU card out there. Easy. Stepping into a dual GPU setup is going to be VERY tight on it. Anything more than dual 460's will be very very tough on it, and likely won't work right.

Pioneer is correct. But I doubt you could run SLI 460s at all with the rest of your system.
If you can it will be insanely close to your limit. (see above sources)
The 590 uses refined GF110 chips if memory serves. And even with the refinement they will still suck power like mad. Especially because there are 2 of them on one card.
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post #8 of 33
Quote:
Originally Posted by PhilWrir;12355119 
I tm pretty sure thats only for power drawn from the PCIe slot.
My GT240 drew about 200 under load.
My 460 pulls nearly 300.
http://www.bit-tech.net/hardware/graphics/2010/07/12/nvidia-geforce-gtx-460-graphics-card-review/11
http://www.tomshardware.com/reviews/geforce-gtx-460-gf104-fermi,2684-13.html
http://www.guru3d.com/article/geforce-gtx-460-review/13

And Pioneer is correct. But I doubt you could run SLI 460s at all. (see above source)
The 590 uses refined GF110 chips if memory serves. And even with the refinement they will still suck power like mad. Especially because there are 2 of them on one card.

Wrong. GT240 draws less than 75w. GTX460's draw 160w stock, up to 170-180w overclocked.

What you are looking at above, is AT THE WALL wattage, with the FULL SYSTEM. Not just the GPU wink.gif.
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post #9 of 33
300 watts PCI spec is TDP. We'll have to wait and see if Nvidia made the card more efficient and how much they underclocked the GPU to meet 300watt max.

Then 590 owners will OC the cards and more than likely pull 350+ watts from the card. Remember the GTX 295 and 4870x2, both easily pull 300+.
Quote:
Originally Posted by Johnny Guitar;12355035 
it will be fine, if the 590 pulls more then 300w it violates some PCI reulation
    
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post #10 of 33
Quote:
Originally Posted by pioneerisloud;12355143 
Wrong. GT240 draws less than 75w. GTX460's draw 160w stock, up to 170-180w overclocked.

What you are looking at above, is AT THE WALL wattage, with the FULL SYSTEM. Not just the GPU wink.gif.

HA.
Now I feel like a moron.
Thanks Pioneer. biggrin.gif

I still struggle to believe a 620 watt PSU could handle a 590 though.
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