New card to buy help!

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ccx1985

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Nov 18, 2011
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Hi i've got just over £100 to spend on a gaming card and I was looking at a few cards but would like some advice.

What the main difference between ATI and Nvida

CUDA ratings are a good way to see if ur Nvidia card is high but whats ATI got score a card with.

and what are the main features you look for in GPU, I was told Core speed memory and bit rate but if that's high compared to another card but texture and pixel are are better what win's.

I would like a GTX 570/580

But would be happy to settle for either of these two but which one and why!

http://www.ebuyer.com/260569-zotac-gtx-550-ti-amp-edition-1gb-gddr5-dual-dvi-pci-e-graphics-zt-50402-10l?utm_source=google&utm_medium=products

http://www.ebuyer.com/248745-powercolor-hd-6870-1gb-gddr5-dual-dvi-hdmi-dual-mini-displayport-pci-e-ax6870-1gbd5-2dh

i know the ATI scores better but what makes it so good off a card please help!
 
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