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4850 over heating (replacement)

hey guys i got a problem and need advice,my daughters 4850 is over heating and shutting down pc whenever she runs a game.temps up to 84C. I took it apart cleaned it and replaced thermal paste but its no good I think its the fan cause I had to manually put it to 100 to cool but wouldnt drop below 52 @ idle.my question is what u recommend for replacement? she pretty much plays sims 3 but every so often plays deus X or dead island.shes playing on 32in tv @720 res but looking for the cheapest but best replacement
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  1. AMD Radeon 6870 , Nvidia 560Ti.
  2. Best answer
    What motherboard does your daughter's PC have? Does it have a PCI-e 1.0/1.1 or PCI-e2.0 slot?

    The older PCI-e 1.0/1.1 might have some compatibility issues with a PCI-e 2.1 card. Rare, but it has been reported. Therefore, a Radeon HD 6870 has a small chance of not working. Anywaste, I say the HD 6870 is a bit overkill for 1280x720 resolution and it is also consume more power than the HD 4850; 156w vs 146w at maximum load. The nVidia 560 Ti is even worse at 218w; it's also overkill for 720p.

    I recommend a Radeon HD 5770 or HD 6770; both are really just the same card with different names with a maximum power consumption of 108w. It is also a little more powerful than the HD 4850. You can probably find one for around $80.

    If your motherboard has the newer PCI-e 2.0 slot, then I recommend the newer Radeon HD 7750 which is a PCI-e 3.0 card. Technically it should be backwards compatible with a PCI-e 1.0/1.1 slot, but it is possible there could be issues. It's maximum power consumption is 46w and it is overall roughly equal to the HD 5770/HD 6770. The HD 7750 sells for $110.
  3. she has a 2.0 pci-e, i think ill go with the 5770/6770, I can save some money and I agree that the 6870 is over kill for her needs.

    thnks for the advice
  4. Best answer selected by momazboy.
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