Two AMD 7870 (2gb/each) vs 780 3gb?

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Mopkap


If I was you I would go with the 780 because I like Nvidia's drivers. But if your just after power then go for the 2 7870s :)
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Deathcon51

Deathcon51

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Ok, would it be just the same? I was thinking about getting a 780 for a 3d Screen and glasses. Price is no problem for me. I would like to know if there would there would be a noticable difference if I got a 780? Also, isn't it possible to use my 7870 (1, not both) with my single 780?
 
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Deathcon51

Deathcon51

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Oct 30, 2013
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Ok, would it be just the same? I was thinking about getting a 780 for a 3D Screen and glasses. Price is no problem for me. I would like to know if there would there would be a noticeable difference if I got a 780 than both of my 7870's? Also, isn't it possible to use my 7870 (1, not both) with my single 780? Hybrid Crossfire or something?
 
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Mopkap

Mopkap

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Oct 29, 2013
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If I was you I would go with the 780 because I like Nvidia's drivers. But if your just after power then go for the 2 7870s :)
 
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Deathcon51

Deathcon51

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Oct 30, 2013
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Ok, well I'd like to go for most power, AND a 3D screen involved but doesn't a nice 3D screen require Nvidia products?
 
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Mopkap

Mopkap

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I'm pretty sure that both have some sort of 3D options, but I'm no guru with that sort of stuff :p
 
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IAMEXTREME

IAMEXTREME

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1-You can use the gtx 780 and the 7870 in one machine depending on your operating system, if it can run/accomodate 2 different drivers (usually either a pair of NVIDIA or a pair of AMD, and not AMD-NVIDIA), however these cards in the same machine will not be called SLI or Cross fire as they will not work together. One card can be used for browsing and some minor stuff, while the other can be used for gaming and editing (on two different screens). But IMO it's a useless thing to do so. People do it because they hate to close their games just to check their email, which is a lame excuse :p

2-There will be no significant change rather than few drops in the frame rate if you upgrade to a GTX 780 (as I have mentioned before 7870 Cross fire is much more powerful than the GTX 780 alone).

3. 7870 has the following feature :
AMD HD3D technology
Stereoscopic 3D display/glasses support
Blu-ray 3D support
Stereoscopic 3D gaming
3rd party Stereoscopic 3D middleware software support
 
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Deathcon51

Deathcon51

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Hello, am I allowed to use 780 and my 7870 in the same machine with windows 7 64-but? :D?
 
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saborjetmo

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Hello,

They actually are not, when using crossfire/SLI, the GPU's don't scale 1 to 1. Its more like 95% performance of the first card and 85% - 90% performance of the second card. Also Crossfire and SLI have A LOT of problems right now, so go with a GTX 780. I am speaking from experience, my GF's comp has 2X Sapphire 7870 GHz crossfire and I have 1X MSI GTX 780, we both have a FX 8350 @4.3GHz with 8 GB of Kingston Hyperx Genesis @ 1600MHz ram; the only thing that is different is the GPU we use, and I bench higher then her, and also in games I have higher and more consistent FPS. One thing I noticed about her crossfire configuration is that she has random FPS drops.

Thank you
 
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saborjetmo

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Jan 11, 2014
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Btw, when you Crossfire/SLI, the VRAM does NOT stack, meaning you will not get 4GB of VRAM with the Crossfire 7870.
 
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