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7900GT or X1800XT? - Page 3

post #21 of 41
Quote:
Originally Posted by SiPex
how can you compare a 7800GTX to those if its like $150 more

He's saying in terms of performance...not value....
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post #22 of 41
Sideburns not that I am saying that the 7900gt isn't a stellar performer or anything but you also have to factor in your CPU and your overclock's impact on your 3dmark 06. Good score BTW. Personally I would go with the 7900gt because it runs cooler, you can get SLI if you want it, and it yeilds better results from a volt mod than the x1800xt.
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post #23 of 41
Quote:
Originally Posted by Sideburns
That's all on paper. The real performance of the 7900GT....is much better.
If you turn on AA and AF, the x1800xt will outperform the 7900gt with both at stock speeds. You'll read this over and over and over in reviews... Here's a few quotes from the article listed above...

"Radeon X1800 XT can beat the default 7900 GT with FSAA and Aniso on. It can get up 19 frames faster in 1600x1200"

"Once you turn 4X FSAA and 8X aniso the X1800 XT can beat the default 7900 GT card and can get up to 11 FPS faster."

"Radeon X1800XT wins the all tests as soon as you turn the FSAA and Aniso on. It can score even more than 20 frames higher, even from Superclock card. It rips default Geforce 7900GT heart out of its chests as it runs up to 30 frames faster."

You can find benchmarks and reviews to favor either card, but if you're testing maxed out settings, the x1800xt should win in those tests. At lower resolutions and settings, the 7900gt should win.
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post #24 of 41
whats FSAA and Aniso
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post #25 of 41
Quote:
Originally Posted by SiPex
whats FSAA and Aniso
AntiAliasing and Anisotropic Filtering. (both improve image quality)

http://www.webopedia.com/TERM/A/antialiasing.html

http://en.wikipedia.org/wiki/Anisotropic_filtering
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post #26 of 41
Quote:
Originally Posted by Malachor
Well I prefer the X1800XT if your not on a budget. 7900GT if you are, since anyways the 7900GT is not a "new" core like the X1800XT. Id go with the X1800XT if I was in your place since it does have better features...does it?
What are you talking about... the 7900GT is one of the 4 brand new 90nm nVidia cores, and the X1800XT has been out alot longer than the 7900GT...
post #27 of 41
While it is a "new core" its simply a die shrink of the G70 with a few revisements. Heck, Nvidia has been modifying the same core since when the 6XXX series came out. Just improved it, shrunk it, increased clock speeds, added pipelines.. Thats why it cant do SM3.0 HDR+AA, just one or the other.
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post #28 of 41
Yes it can. 84.43 beta drivers allow it, unless I've been misinformed.
post #29 of 41
Quote:
Originally Posted by Namrac
Yes it can. 84.43 beta drivers allow it, unless I've been misinformed.
News to me. But no, 99.999% chance it wont. The card itself has hardware limitations because of the core they have been using.

Edit: And notice I said SM 3.0, CSS HDR is SM 2.0, theres a huge difference.
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post #30 of 41
if u want to do Sli go with 7900GT and also only if u r willing to vmod it. if u want good image quality and crossfire the Ati is the one to go with. and everyone who said the 7900GT is a revision card are correct. it is a minor revision of the 7800GTX revision primarily done because Nvidia did not have a response to Ati and COULD not produce the 65nm core in time...

edit: and there is definitely NO WAY any Nvidia card out currently that can run SM 3.0
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