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In The Future: GPU Power Consumption

post #1 of 12
Thread Starter 
I am just wondering if GPU power consumption will get higher or lower in the future as time goes on? Will there ever be a need to run a 1000w in order to run a single video card (with our without dual GPUs on the card)?

Just trying to get a feel for how future proof my sig rig PSU is for non-SLI & crossfire video card setup.

Thanks
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post #2 of 12
There was a thread few weeks ago about that subject...
My point there was that i looked @ sapphires site and looked what they recommend as a PSU for my 5850 and i was like "WHOA" and got myself a 620W PSU to be save. The point of the guys was that a 1000W PSU which only puts 600W out for usage ins`t working efficient. The closer you get to the rated watts of the PSU the higher the efficency. So if you now don`t need it for crossfire or sli i wouldn`t get such a high watt PSU. If you plan in 2-3 month to buy more cards it could be better.
Many good things were said in this thread but the main point i just tried to repeat
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post #3 of 12
Quote:
Originally Posted by Mr.Eiht View Post
The closer you get to the rated watts of the PSU the higher the efficency.
Not True at 40%-60% the psu has it's best efficiency.

Edit: maybe one day we will need that much but then we will need 40amp circuit breakers.
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post #4 of 12
Thread Starter 
Are we talking about efficiency as in save on the power bills or efficiency as in cleaner and safer power to the hardware?
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post #5 of 12
devs need to get better at writing code for games.

at these power loads we should be working on getting more efficiency out of current power draws.
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post #6 of 12
Eventually there are going to have to be efficiency breakthroughs on all fronts when it comes to computers, it's in everyone's best interest.
post #7 of 12
Quote:
Originally Posted by revlimiter View Post
I am just wondering if GPU power consumption will get higher or lower in the future as time goes on? Will there ever be a need to run a 1000w in order to run a single video card (with our without dual GPUs on the card)?

Just trying to get a feel for how future proof my sig rig PSU is for non-SLI & crossfire video card setup.

Thanks
Well not entirely true that power consumption will grow with every new series. Just look at both AMD 5000 to 6000 series and Nvidia 400 to 500 series. BOTH were improved to run with less power consumption at greater efficiency and in return lower heat dissipation than it predecessor.

As architecture changes it may yield higher power consumption but with room for improvement yet again as it matures. So again not entirely the case that you'll require more watts per video card.

The main question to future proof yourself is try to figure out if your a mid-level or high-end graphic user and get yourself enough watts on your PSU to run two cards. For example, I could have chosen a 750watt PSU to run one GTX 580 very easily. Even run a second lower end card for Phsyx. I saw myself adding a second card and chose to purchase a 1000 watt PSU so I could if / when that becomes reality by next year should I decide to do it.

If your thinking of mid-level cards then you can get yourself 800 watts buy one card now knowing your going to be able to SLI or Crossfire the second mid-level card without any problems and still leave yourself head room for your other components.

Make sense?
     
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post #8 of 12
Thread Starter 
I'm not thinking about going SLI or Crossfire though, that's the thing. I have already decided that it makes the computer run hotter, digs deeper into the wallet, and I can get enough performance wise out of one video card.

The question is if my sig rig 650W will be a good enough PSU to overclock everything that I possibly want to overclock heheh, and for that I am not quite sure on...
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post #9 of 12
maby the power consumption will stay around the same?

just faster cards

eg 9800gtx v 460....
    
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post #10 of 12
Quote:
Originally Posted by revlimiter View Post
I'm not thinking about going SLI or Crossfire though, that's the thing. I have already decided that it makes the computer run hotter, digs deeper into the wallet, and I can get enough performance wise out of one video card.

The question is if my sig rig 650W will be a good enough PSU to overclock everything that I possibly want to overclock heheh, and for that I am not quite sure on...
Well that depends on what card you plan on getting really. If your thinking AMD 6950 or GTX 560ti, I'd say yes requires about 500w and you'd be safe to overclock.

The AMD 6970 or GTX 570 will run ok with your PSU requiring about 550w with 100w of head room. You may run into trouble if you over clock both CPU and GPU is what I'm thinking. You'll be pushing it when gaming at full throttle on both and reach the limit. Not good to run your PSU at full loads as that's when ripple happens and ripple is not good for you computer.

That's my opinion. There are some that will say they are running more for less watts and haven't had issues but I'd be weary even if you don't have problems. Ripple slowly wears all your computer components and shortens the life of them as a silent killer. Pushing your PSU to the full loads and keeping it there while gaming for a few hours will happen. Run an OCCT benchmark and view the stats on your card before attempting to over clock it and look at the ripple before you consider it as default OC or even just for gaming.

Good luck and let us know what card you decided on.
     
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