Ati 4650 or 5450?

saddam

Distinguished
May 20, 2010
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y present sys is

core 2 quad q8400. 2.66 ghz. 4mb. 1333 mhz
2gb ram
1 gb built in graphics
motherboard eg45m-ud2h

im buying new pci express. which card is good for high res. & fastest pci express 4650 or 5450?
my budget is 50 pound. help me plz! im buying tommorow..