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LOL you must be joking, I've had a 6800nu (clocked at 450/900), 6800GT past ultra speeds a 6800 ultra and the x1800xt will absolutly murder these cards, its over twice the performance of the 6800nu overclocked to hell, massive difference mate you cant compare them, I couldnt even run the 6800nu some games with high details as it would go like 1fps at a time because of lack of ram (I game at 1680X1050), when I got a card with 256mb ram this problem was fixed, due to this alone the difference is massive.King_Boru said:not a huge amount of difference but it will be faster. also AA + HDR,...
Benchmarks show on current games regardless of resolution and details there is no difference between 256/512, might be better for future games though.Sticklyman said:A few days ago I upgraded from my 6600GT to a x1800XT and I have seen some huge differences! However mine is the 512mb version but I don't think there is too much difference between them.
Nah even at stock the x1800gto is far better than your card (its better than any old generation card i.e 6800ultra/x850xtpe), and the gto has a lot more potential todo well by unlocking pipes and overclocking adding volts via ati tool.Cyber-Mav said:hmm, is the x1800gto the same on performance as my current card?
Vegeta said:LOL you must be joking, I've had a 6800nu (clocked at 450/900), 6800GT past ultra speeds a 6800 ultra and the x1800xt will absolutly murder these cards, its over twice the performance of the 6800nu overclocked to hell, massive difference mate you cant compare them, I couldnt even run the 6800nu some games with high details as it would go like 1fps at a time because of lack of ram (I game at 1680X1050), when I got a card with 256mb ram this problem was fixed, due to this alone the difference is massive.
. Helped a lot with my 6600gt 128mb[offtopic]I think I'll take a page from your book and say "this thread is about 6800 to X1800, I don't know why you're talking about 7900s at all."easyrider said:Get a 7900 GT,overclock it and pull ahead from the x1800xt.
No faffing with driver cleaner etc...
[/offtopic]
Exsomnis said:As for the question at hand, the difference between a vanilla 6800 and an X1800XT is like night and day.![]()

It'll be a lot better than a 6800gt, but in fairness these a preety big difference between a 6800gt and a 6800nu, you might score similar in benchies due to your overcock but this doesnt tell the full story as i realised when I changed my monito to 1680X1050 and using native res.Cyber-Mav said:but for 100 quid the x1800gto is very tempting. just need someone the post up some links to reviews comparing it to a 6800gt so i can get a rough idea on what to expect.
Cyber-Mav said:right read some reviews and the 7600gt is better than the x1800gto so not gonna bother with that route. gonna see how the x1900gto fairs.
x1900xt is good card but price is too much. not willing to pay over 200 quid.