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Need help gtx 560 or 7850 maybe??

So im trying to decide which video card is better for me.....
I Just ordered a new processor Phenom II x4 3.4ghz but I still have my old 400W PSu

There is so many card out there I am kinda outdated nowadays

My mobo is Pci Xpress 2.0 but I heard 3.0 would still fit in?

can you guys recommend something under 200$ that wouldnt require me to change my power supply?
11 answers Last reply Best Answer
More about need 7850 maybe
  1. which model & brand psu you have as i doubt any of those will work your current psu
  2. None of those Cards would run well on your PSU, you need to aim lower. :)
  3. Best answer
    Actually, a quality 400w PSU can power up a 7850 perfectly fine. That card is one of the most power-conservative GPUs in this generation, it should only go up 'til ~340W @ FULL load, which doesn't really happen very often.

    Though at that point, the PSU would be working very hard, I suggest at least 450-500w.
  4. excella1221 said:
    Actually, a quality 400w PSU can power up a 7850 perfectly fine. That card is one of the most power-conservative GPUs in this generation, it should only go up 'til ~340W @ FULL load, which doesn't really happen very often.

    Though at that point, the PSU would be working very hard, I suggest at least 450-500w.


    GTX 660 is more power efficient than Radeon 7850, so he could just get that and better performance instead?
  5. Yes you really need to upgrade your PSU. 400w will not cut it and I think its a generic one too. Get a CX500 for cheap and it will run any of those cards without any problems.
  6. lostgamer_03 said:
    GTX 660 is more power efficient than Radeon 7850, so he could just get that and better performance instead?

    No, not really.



    The 660 is slightly more expensive as well. If he's going in that price range, might as well get the 7870, same power draw.
  7. excella1221 said:
    No, not really.

    http://media.bestofmicro.com/U/N/352319/original/Power.png

    The 660 is slightly more expensive as well. If he's going in that price range, might as well get the 7870, same power draw.


    Sorry I compared the 7870 TDP vs the GTX 660 TDP.

    660 has 140 watt TDP while 7850 has 130 watt TDP.
  8. Thanks for the replies
    so this is my PSU:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817103013

    I am still wondering if a 7850 would fit, if not what PSu would you recommend?

    or also if I were to keep this psu what's the best card I would get, according if any exist that would run BF3 or Natural-Selection2 decently
  9. Best answer selected by tfxluc.
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