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SLI 8800gts vs. HD 2900XT 1gb - Page 3

Poll Results: ?

 
  • 28% (13)
    HD 2900XT 1gb
  • 71% (32)
    another GTS
45 Total Votes  
post #21 of 54
Quote:
Originally Posted by Witchfire View Post
I voted for the HD 2900XT 1GB just because I prefer single card solutions to multi-card ones. Add to this the fact that you will have a TRUE 1GB of video memory, and I see it as the superior solution.

Remember folks, SLI DOES NOT combine video memory mathematically. 640MB + 640MB of video memory on the GTS' in SLI WILL NOT equate to a 1.2 GB frame buffer. The 1GB frame buffer in the HD 2900XT does. That equates out to not only larger available resolutions, but additional eye candy as well, at those higher resolutions.
that depends greatly on your render mode, AFR sure it limits but there are other render modes that would give you around 1-1.1gb of framebuffer, i dont know every SLi mode, but for instance the way voodoo used to do it, with rendering a line and then the other voodoo getting another meant it only rendered half the screen while the other rendered the other half that would equate to most of the frame buffer being used. Also with the dismal preformance of the R600 core i dont see a reason to get anything based on it
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post #22 of 54
does nothing with the second cards memory. People who add the memory of cards in SLI annoys me almost as much as people who times the speeds of dual/quad core CPUs.

The OP should just get a flipping 8800GTX. I dont see why there is a debate about this. His current card is better than a 2900XT so thats out of the question, SLI is uneccasery ATM, so a single more powerful card is in order.
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post #23 of 54
Quote:
Originally Posted by Cyph3r View Post
does nothing with the second cards memory. People who add the memory of cards in SLI annoys me almost as much as people who times the speeds of dual/quad core CPUs.

The OP should just get a flipping 8800GTX. I dont see why there is a debate about this. His current card is better than a 2900XT so thats out of the question, SLI is uneccasery ATM, so a single more powerful card is in order.
your statement is one based on idiocy, there is a point where certain programs take use depending on the way the program was written. Take multi threaded apps, now run it on a dual core 2.6ghz, now disable one of teh cores and run it agian, you should get 35-40% preformance loss. Same with SLi if you render it where both cards render the same frame you have more fram buffer availble to you.
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post #24 of 54
Quote:
Originally Posted by shellofinsanity View Post
who do i have to provide proof to commonly accepted things, i should not have to prove what has been proved already. The 2900XT is slow as hell and the 1gb version is no exception to this, and SLi 8800GTS's in every review are 20-30% faster than a signle 8800GTX and the 8800Ultra is only 7% faster than the 8800GTX, why should i provide proof. If the OP sells his card and gets an HD2900XT ill laugh and call him a moron.
It's only 'commonly accepted' by you. The 2900XT isn't 'slow as hell', and the lastest reviews show that it is competitive with a single 8800GTS.

And if you say 'commonly accepted', it's also 'commonly accepted' that lack or performance is caused by immature drivers, just like with the 8800's when they were first introduced.

Yes, I agree that SLI-ed 8800GTS's are faster than any single card solution right now, and thus they get my vote.


Again, blanket statements about the lack of performance of the R600 core without proof. The only card that has been thoroughly tested is the 2900XT 512MB, and that one stacks up reasonably well against the 8800GTS (which is directly competes against).

Show me a recent review of the 1GB version...
    
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post #25 of 54
Quote:
Originally Posted by Chozart View Post
It's only 'commonly accepted' by you. The 2900XT isn't 'slow as hell', and the lastest reviews show that it is competitive with a single 8800GTS.

And if you say 'commonly accepted', it's also 'commonly accepted' that lack or performance is caused by immature drivers, just like with the 8800's when they were first introduced.

Yes, I agree that SLI-ed 8800GTS's are faster than any single card solution right now, and thus they get my vote.


Regarding the issue of video RAM: indeed, you cannot stack the amounts of RAM on top of each other. Since each card basically does half of the work, each needs its own RAM for their job.
im not, but between both cards, if they render the same frame they are using the both sets of ram and can achive higher frame rates and res than 1gb of ram on any card could do, there is more ram availble. And given the fact that the 2900XT is over priced for its preformance, it is slow compared next to the cards its priced agiasnt. Unless ATI can release drivers that are acceptable or drop the price 200 bucks, its a POS, and ill gladly say it, because someone needs to.


You wont find a 1gb review they are under NDA, there offical specs arnt even known yet, email AMD's ATI divison and ask them, they wont tell you, the card is under NDA, the only 1gb versions for sale are not ATI cards but vendor versions, that most likly do not fall under ATI's spec or naming conventions and are more kin to the few 6600GT 256mb cards than ATIs real card i would imagine.
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post #26 of 54
Quote:
Originally Posted by shellofinsanity View Post
im not, but between both cards, if they render the same frame they are using the both sets of ram and can achive higher frame rates and res than 1gb of ram on any card could do, there is more ram availble. And given the fact that the 2900XT is over priced for its preformance, it is slow compared next to the cards its priced agiasnt. Unless ATI can release drivers that are acceptable or drop the price 200 bucks, its a POS, and ill gladly say it, because someone needs to.
Again, where is your proof???

The HD2900XT performs on PAR with the 8800GTS 640MB, and is only $30 more expensive. Price difference is negligible, and performance difference is nearly the same, both cards giving and taking some of the benchmarks.
    
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post #27 of 54
Quote:
Originally Posted by Chozart View Post
Again, where is your proof???

The HD2900XT performs on PAR with the 8800GTS 640MB, and is only $30 more expensive. Price difference is negligible, and performance difference is nearly the same, both cards giving and taking some of the benchmarks.

prove that, on new egg it is, go to a store and price it, i promise its alot higher. Also prove to me its as good as you say, because the last time i looked at the benchmarks it was loosing tests to the 1950XTX sometimes, and only time it had a clear lead over the 8800 was oced. Add to that the power consumption and heat, and the card is a POS, quite frankly its no better than the 5800Ultra was at launch, they are in the same class, except ATI loyalists wont admit the card is a failure, at least Nvidia followers where mature enough to admit that the 5800Ultra failed, the ATI crowd wont with there POS 2900XT
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post #28 of 54
Quote:
Originally Posted by Desperado1987 View Post
I don't think even a second GTS could run Crysis maxed out at those settings, but correct me if I'm wrong.

I think the 2900xt can handle it.
A single GTS beats the current 512MB 2900XT in most benchmarks. A 1GB 2900XT won't be that much better than the 512MB version so two 8800GTS will definitely be a lot better than a single 2900XT 1GB.
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post #29 of 54
I don't know what you consider POS but I'm getting an easy 10k at stock with my 2900XT. And I'm slowly creeping towards 13k ocing it. While I'm sure I could match the performance of an SLI'd GTS setup with CF the OP has one card he might as well go for the second of the same kind.

I think trading up for a GTX and then SLIing it later would give the best performance/$
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post #30 of 54
modki, you may liek your card, thats your choice, alot of FX5800Ultra useres loved there to, it doesnt change what it is
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