4800x900 with an XFX 6870 2GB - Worth it?

I need to decide whether or not it's worth it to pay $25 more to get a 2GB 6870 under the assumption that it will offer better performance in a 4800x900 Eyefinity setup (3 monitors at 1600x900). I can't find benchmarks anywhere, but in a 2560x1440 it offered no better performance in benchmarks shown by this site comparing the 1GB and 2GB models:

http://translate.google.com/translate?u=http%3A%2F%2Fht4u.net%2Freviews%2F2011%2Famd_radeon_hd_6870_2gb_vs_1gb_test%2F&sl=de&tl=en&hl=&ie=UTF-8

So should I just return the 2GB model and keep my 1GB Sapphire 6870? I think the XFX has a better build quality and warranty.
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  1. Are you trying to crossfire them together? You will not be able to get 2gb of vram as it will use 1gb of vram. But 2gb of vram would make a huge difference, though playing at that resolution I would recommend at least a 6950 or 6970.
  2. amuffin said:
    Are you trying to crossfire them together? You will not be able to get 2gb of vram as it will use 1gb of vram. But 2gb of vram would make a huge difference, though playing at that resolution I would recommend at least a 6950 or 6970.


    I will be returning one of the two cards, as the motherboard I have doesn't support Crossfire and I will not be upgrading in the future. So this is for a single card. My goal is to run Eyefinity at medium settings on newer games. What I really need to know is whether or not the 2GB will help me run Eyefinity, or if it's pointless.
  3. 2gb will be a great help
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