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the video card best match with the power supply for a new XPS 8500

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Which is the power supply best match with the AMD Radeon HD 7770 video card for my new XPS 8500 desktop computer ? The original graphics card was the nvidia GeForce GT 640, but then Dell emailed me that the order has been changed due to that nvidia card no longer available for a Windows 7 XPS 8500 PC. So now they changed my graphics card to that AMD 7770 which shows a 500 watt power supply minimum is required, but the 8500 has a 460 watt in it. So I did email Dell Customer Support about this issue, but since I do not play any games or high graphics use applications, will the 460 watt work okay or not ? Or the other OEM type AMD Radeon card available from Dell for this computer is the HD 7570 with lower power supply requirements at only 400 watts ?

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Re: the video card best match with the power supply for a new XPS 8500

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The 7770 will work fine with the 460 PSU. It is much faster than the 7570. While the 7770 recommends a 500 watt PSU, it draws about 140 watts on average so no need to worry.

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Re: the video card best match with the power supply for a new XPS 8500

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The 7770 will work fine with the 460 PSU. It is much faster than the 7570. While the 7770 recommends a 500 watt PSU, it draws about 140 watts on average so no need to worry.

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Re: the video card best match with the power supply for a new XPS 8500

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Okay I see then, and thanks. Have you also any ratting or review on the nvidia GT 640 1 GB with the GDDR5, as I did read some bad reviews with DDR3 ?

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Re: the video card best match with the power supply for a new XPS 8500

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I personally prefer Nvidia over ATI based on experience with both. Anything with DDR3 will be slower. Nvidia driver's to me are more stable and easier to install. A 7770 compared to the 640 is a better card or at least equal. I plan to change my sons' 7570 to a GTX 660 in the next month or so. Here is a website that might help you as you can do side by side comparisons- http://www.gpureview.com/show_cards.php  

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Re: the video card best match with the power supply for a new XPS 8500

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Just a follow up for you James, I changed my son's card to a Visiontek 7850 OC edition. Works great! He is very happy and has had no crashes as of yet. If your still looking, try this card. Found on Amazon for about $210. Also the Visiontek card only recommends a 450 Watt PSU.

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