which will run better run on my PC sapphire ATI radeon HD 6670 OR power color HD 5570 ?

my pc configration as follows

core2duo E4500 2.20 ghz
intel DG33BU DDR2 motherboard
pci express *16
PSU 450W
Window 7 ultimate
32 bit OS
currently i m using board internal 256 G ram

and i want 2 run heavy games like
battlefield 3, sleeping dogs, nfs MW etc.........

also my cpu doesn't have a 6pin connector!!!!!!!
3 answers Last reply Best Answer
More about run run sapphire ati radeon 6670 power color 5570
  1. What power supply (PSU) do you have?

    You may be able to play games on the lowest settings
  2. Best answer
    Get nvidia gt620 2gb @rs 3200
  3. Request your inputs pls

    Hi, I have dg33bu motherboard with dual core Intel processor. Pls refer to system config mentioned in above URL.

    I want to connect my 40'inch LCD thru HDMI port hence want to install a new gpu. I am lookin for following:

    1. Normal HDMI port
    2. Audio over HDMI
    3. Medium gaming (I m not a very heavy gamer)
    4. Minimum possible cost with high value (not cheapest)
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