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Sapphire HD 2900 XT 1GB review - Page 5

post #41 of 59
Something I'd like to bring up - the HD 2900XT with 1GB of GDDR seems to perform far better than the version with 512MB. I theorize that the way AMD/ATI implemented the adaptive "software" AA, which utilizes shaders rather than physical AA hardware, requires storing/loading data from the VRAM. Basically, it's not as interconnected, which gave them extra space for more transistors.

Quote:
Originally Posted by Example
GeForce 8:
VRAM -> Unified Shader -> AA Hardware -> VRAM

HD 2x00:
VRAM -> Stream Processor -> VRAM -> Stream Processor(AA) -> VRAM
Hopefully with either BIOS updates or driver updates, ATI will be able to make it even more efficient. The HD 2900XT 1GB beating an 8800GTX in several tests with 4xAA shows that things are improving.
     
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post #42 of 59
I agree with the above. These results are really impressive to me. I may not end up getting a DX10 card until the next wave, such as the 65nm fabbed 2900, but this rocks. Competition is going strong, and I forsee the prices to drop. Shame on all of the noobs that said there is no competition
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post #43 of 59
That was a review of the 512mb.

Look at the pic of the box on the first page of the review. >.>
post #44 of 59
http://www.over clock 3d.net/reviews.php?/gpu_displays/sapphire_hd_2900_xt/1

Remove spaces, i think that is the right one.
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post #45 of 59
I bought this Silverstone PSU to use with a HD2900 since it had the eight pin power connectionand lots of juice. Every time I see any review of the card disappoints me even more. I really had placed alot of hope in the 2900's.

They are using old benchmarks with 97.92 drivers for the 8800GTs. and it is barely beating it in every thing but Oblivion though I must say wow on the oblivion..too bad I don't like the game. The HD2900Xt costs $400 the last time I checked and bought this 8800GTS about three days ago for $266. This review is comparing apples to oranges.

Decent performance though...but a much better value with the 8800GTS I'm afraid.
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post #46 of 59
Quote:
Originally Posted by Vagrant Storm View Post
I bought this Silverstone PSU to use with a HD2900 since it had the eight pin power connectionand lots of juice. Every time I see any review of the card disappoints me even more. I really had placed alot of hope in the 2900's.

They are using old benchmarks with 97.92 drivers for the 8800GTs. and it is barely beating it in every thing but Oblivion though I must say wow on the oblivion..too bad I don't like the game. The HD2900Xt costs $400 the last time I checked and bought this 8800GTS about three days ago for $266. This review is comparing apples to oranges.

Decent performance though...but a much better value with the 8800GTS I'm afraid.

Fanboys.......
There is MANY reviews that show the 2900xt having a large performance gain over the 640Mb GTS....get over it.
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post #47 of 59
this review turned my opinion about the 2900xts completely around. I'm just slightly disappointed they didn't compare with a GTX. Solely because I'm trying now to decide whether to get the 2900xt or the 8800gtx.

I think its a pretty close call. I've read on a few other websites with people complaining about issues with some games that ATI knows about and is most likely fixing.

If they can hopefully optimize their drivers a little more I think it will have an even better chance to take the GTX. I'm not a fanboy of neither companies. In my house, we have a mix of both companies and I've never had any serious issues with either.

As long as both companies continue this graphics competition, it will drive them to bring out even better cards, which in turn produces better graphics on my 24" wide LCD
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post #48 of 59
Well right now the GTX is performing better than the 2900xt, but who knows after a few drivers
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post #49 of 59
Did anyone read my post? That was a review of the 512mb version, not the 1gb.

Look at the box for the card on the first page.
post #50 of 59
To confirm.

This is the 512MB 2900XT

http://www.sapphiretech.com/uk/produ...gpid=184&grp=3

That is the model, if you download the "Specs" spreadsheet it tells you there.
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