GTS 250 to ATI 5850?

By Alster37
Oct 18, 2009
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  1. to be honest what a great card the 5850 looks, better than a gtx 285 in some cases impressive. so I feel an upgrade would be wise.
    my power supply is a 600watt cheap one.

    could fit one in my case?
    my case just holds up to a 9.8inch card from my measuring anyway, maybe a little more.

    would it be compatible with my motherboard?
    (look to my specs for model)

    and which operating systems support dx11?

    last question: will an Amd cpu work better with an ATI card rather than a NVIDIA card?

    thanks :D
  2. Ritwik7

    Ritwik7 TechSpot Chancellor Posts: 2,288   +7

    The HD 5850 will work fine on your motherboard as PCI-E 2.0 is backward compatible with PCI-E 1.0. Just ensure that you have a good PSU (greater than 500W).

    Windows 7 definitely does. Vista too is supposed to get DX11 support soon.

    Well, IMO, there will not be any noticeable difference although AMD claims that their CPU / Mobo / ATI GPU combination are optimized to work better together. Eg.: The Dragon Platform.
  3. dmill89

    dmill89 TechSpot Guru Posts: 737

    I would definately reccomend a good Powersupply. If you have a cheap PSU that claims 600w it will likely not be able to sustain more than 300-400w (maby less) under real world conditions and if it lacks protection circuitry it could take out your whole system if (or more likely when) it fails.
    A good 600-700w PSU should be sufficient and give you plenty of head room.
    Here are some reccomendations:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371021
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817104058

    Aside from the PSU issue you should be ok. Just remember the power connectors for the 5850 are on the back (side oppisate moniter connectors) of the card so make sure you have clearince for them.

    It sould be a great card I currently have an HD5870 and it is exelent (upgraded from a 4870)


    At the moment I wouldn't reccomend any Nvidia card since none of them support DX11. In my oppinion it was a verry dumb move by nvidia not to have DX11 cards ready for the release of windows 7 especially since their biggest competitor has a full line of new DX11 cards released or soon to be released.
  4. hellokitty[hk]

    hellokitty[hk] I'm a TechSpot Evangelist Posts: 4,318   +117

    This, however, I would recommend ONLY the corsair power supply and the antec, but the corsair is cheaper, and much more popular. So, the CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply - Retail is my vote.
    Can you elaborate on your powersupply?
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