An fx57 is 64 bit! I'm not sure if it's venice cored, which can handle 2GB a lot better than the other AMD cores - for most AMD chips 1GB is better.
But you've forgotten to put a physics processor in your shopping list.
As for which graphics card to get-
If you will only be playing ut2004 for the next year - there is no benefit in getting anything faster than a vanilla x800 - for 1/3 of the price of a fully blown x850.
Save the money and in a year's time, you'll be able to buy better than an x850 for the money you've got left.
But you've forgotten to put a physics processor in your shopping list.
As for which graphics card to get-
If you will only be playing ut2004 for the next year - there is no benefit in getting anything faster than a vanilla x800 - for 1/3 of the price of a fully blown x850.
Save the money and in a year's time, you'll be able to buy better than an x850 for the money you've got left.
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