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9800GX2 SLi Vs 4870X2?
Lazzarus2nd 
28/8/08 2:04:31 AM
Guru

Thoughts?

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"Let's face it, we're not changing the world. We're building a product that helps people buy more crap - and watch porn." -- Seagate CEO Bill Watkins

Skulptur 
28/8/08 2:24:11 AM
Master

FFS dude...
More info please...

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Lazzarus2nd 
28/8/08 4:39:01 AM
Guru

What more do you need?

To spell it out - what would be faster/better a 9800GX2 SLi or a 4870X2?

Not worried about cost vs performance etc just thought i would ask what Atomic would think of the difference.

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"Let's face it, we're not changing the world. We're building a product that helps people buy more crap - and watch porn." -- Seagate CEO Bill Watkins

espionage 
28/8/08 7:03:24 AM
Master
i always thought 9800GX2 SLi sucked and even in crysis (highly optimised for nvidia) couldn't perform well. but that was when it was initially launched. don't know what is the story now. however a single 9800GX2 is better in performance than a GTX280 or a 4870. I have one myself and love it. can't find another GX2 for cheap for quad SLi.

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lukey1990 
28/8/08 8:48:42 AM
Champion

a single HD4870X2 is faster than a 9800GX2.

two 980GX2s are faster than one HD4870X2.

two HD4870X2s are faster than two 980GX2s.


of course the performance scaling is not linear to how many GPU cores you have.

if you want more advice, provide more information.

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Lazzarus2nd 
28/8/08 9:34:09 AM
Guru

Ok, scenario is I have a 680i motherboard and am using two 8800 ultras, i was wondering if upgrading to two 9800GX2 would provide better graphics performance than one 4870X2.

Completely hypothetical, as the ultras are more than enough for todays and tomorrows games, just thought i would stir the pot.

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"Let's face it, we're not changing the world. We're building a product that helps people buy more crap - and watch porn." -- Seagate CEO Bill Watkins

layzi 
28/8/08 9:41:50 AM
Apprentice
imo i dont think its worth the dosh with having more than 2 gpus at this point in time, unless you are looking at getting world records or something, and even if you decide to go quad gpus youd need to pimp your cpu a fair bit to make the most of it.

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FTW!
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Baner86 
28/8/08 9:45:42 AM
Hero
Champion


AFAICS:

The twin 9800GX2's would provide much better Crysis performance than a HD4870X2 but the difference would be tiny at VERY high resolutions (the HD4870X2 might even beat the Sli setup in some cases by a very small margin at extreme res with AA on)

At any other game than Crysis though, the 900GX2's would be beaten soundly.

Also have to factor in that Ati's new anti-aliasing implementations makes 4X Anti-aliasing almost free (like minus 2-3 FPS) at resolutions up to the 1920x whatever resolution.

If I were you:

If Crysis performance is the absolute REASON you want a new video card...get a 9800GX2.

If having the best overall video card is most important to you get a HD4870X2.

If you just want to be sensible about things...you already own an 8800 Ultra...two I might add. That whole series of cards was absolutely formidable, and this current crop of crads...the HD48XX and the GTX2XX series aren't "faster enough" than your existing cards to make it worth buying anything new.

Sure the new cards are faster but not worth the price over what you already own.

Edit: Yeah....what layzi said was absolutely right.


Edited by Baner86: 28/8/2008 9:46:24 AM

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xguntherc 
28/8/08 9:12:53 PM
Overlord

I think in the end. one 4870x2 would be better than the GX2, the reason I say that is because it's scaling, even though people say the GX2 is a little better than the 280, it's not by much. and people prefer the 280 because the difference is small, but the 280 plays much much better and smoother. so with SLI of those GX2's. I think your Smoothness would just get worse. in the end the 4870x2 would be a better bet. but might as well just stick to what you have.. they are great cards. but the fact you have 2 of those Ultra's, makes me believe you want the newest and the best.. Right?


Edited by xguntherc: 28/8/2008 09:13:25 PM

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Doctor Octopus 
28/8/08 9:22:14 PM
Master
It's quite complex to answer, actually, it really depends on what system you're running and also what games you intend to be playing it on, and what res you want as well. So yea, more info FTW.

Firstly, think about SLI and the games that support it, many games don't, right? Now, think of 4 GPUs, how many games support THAT? I would go for the 4870X2 because it's a more sensible and more stable solution, less power draw and, really, unless you're running above 1920 x 1200, you're going to get fuck-all noticeable increases.

Lastly, Crysis is a shit game, don't waste your money on a rig that's going to play it decently now, and every other game will be ridiculously fast.

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Cpt. Lock 
28/8/08 9:32:58 PM
Banned

a 9800GX2 will outperform a single HD4870, a HD4870x2 will out perform a 9800GX2, a Quad SLI 9800GX2 will outperform a HD4870x2 and a quad crossfire HD4870x2 setup will out perform a quad 9800GX2 SLI setup.

That said the 9800GX2 is going to cost you more then a HD4870 and in a real world scenario at 1920x1080 the performance difference is going to be 2 tenths of fuck all. Your better off saving $150 and getting a HD870 or you could almost go with a hybrid crossfire setup between a HD4870 and a HD4850 for the same price as the 9800GX2 and have better performance then the 9800GX2

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nesquick 
28/8/08 10:21:57 PM
Guru

Why upgrade? 2 8800ultras is still pretty powerfull.

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Lazzarus2nd 
29/8/08 1:25:53 AM
Guru

Quote by Baner86
AFAICS:



Wow long time no see Banner - holidays?

Yeh your right guys, the ultras are still pretty powerful, it was just a hypothesising exercise.

I'll stick with the ultra for a whi8le yet, but quad SLi would be brag worthy eppen dont you think?



Edited by Lazzarus2nd: 29/8/2008 1:27:54 AM

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"Let's face it, we're not changing the world. We're building a product that helps people buy more crap - and watch porn." -- Seagate CEO Bill Watkins

xguntherc 
29/8/08 5:19:36 AM
Overlord

ohhh so it's all about the epeen.

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eVGA 750i FTW- -Q6700 GO @3.4Ghz w/Tuniq- -eVGA GTX 260- -2x2GB G-Skill- -Seagate Cuda 500GB 32mb 7200.(11)+ 500GB Ext- -ASUS 20x ODD- -Samsung 226BW & 2253BW Dual 22's- -Bose Companion 3-

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Lazzarus2nd 
29/8/08 7:37:31 AM
Guru

Of course - thats why i SLi'd Ultras in the first place :D

One Ultra was more than enough to play COD4 or BF 2142.

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"Let's face it, we're not changing the world. We're building a product that helps people buy more crap - and watch porn." -- Seagate CEO Bill Watkins

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