1GB DDR3 at 128 bit vs 512 MB DDR3 at 256 bit graphics cards

So I'm looking to buy a new graphics card since mine is starting to crap out. the 2 cards I'm looking at are


one has ATI 1G DDR3 128bit and the other NVIDIA 512MB DDR3 256bit. Im not doing any kind of crazy gaming but Id like to watch HD videos and all that fun stuff. Thanks!
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  1. Best answer
    For movies and mild gaming, you can get by with the 4670. That said, you will get better gaming performance from the 9800gt. Bus isn't everything, but in this case, the card with the wider bus is a better card.
  2. ^+1
    just like Jofa said above... :)
  3. Best answer selected by speedcars97.
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