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4GB vRAM and SLI for 2560x1440?

Originally I was thinking of a GTX 670 2GB for 1920x1080, then I had a change of heart and decide to get a 2560x1440 monitor.

I heard that extra vRAM comes in handy for high resolution gaming. Should I get a GTX 670 4GB instead? It costs $80 more than the 2GB version. I'm not sure if the extra vRAM justifies its cost.

Also, I see lots of people going 2-way SLI for 2560x1440, is that necessary? How much of a performance boost will I get vs the single GTX 670? A 2nd GTX 670 4GB costs $420 so I really need to know if it's worth it, thanks.
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  1. charts only show FPS not what happens as you actually play. for $80 I would go for the gusto. and if you decide to sli in the future you would have made the right choice.
  2. Best answer
    the GTX 670 will play most games at around 45-50 fps at 2560x1440 resolution with the settings maxed out.

    Unless you're running heavily modded games (like heavily modded skyrim), 2GB is more than enough. Most games won't even approach 2GB of vram usage unless you're doing a triple monitor set-up (5760x1080 or 3240x1920 resolution)

    just look at the memory usage....

    http://www.xbitlabs.com/articles/graphics/display/evga-geforce-gtx-670-4gb.html
  3. killerhurtalot said:
    the GTX 670 will play most games at around 45-50 fps at 2560x1440 resolution with the settings maxed out.

    Unless you're running heavily modded games (like heavily modded skyrim), 2GB is more than enough. Most games won't even approach 2GB of vram usage unless you're doing a triple monitor set-up (5760x1080 or 3240x1920 resolution)

    just look at the memory usage....

    http://www.xbitlabs.com/articles/graphics/display/evga-geforce-gtx-670-4gb.html


    Thanks for the article, basically gaming at 2560x1440 with 4GB or 2GB of vRAM makes no difference and the extra memory only comes handy when you use triple monitor setup.

    However, if I have World of Warcraft with max setting in full screen windowed mode at 2560x1440, and then I open another WoW with max setting in full screen windowed mode at 2560x1440, does the extra 2GB help in the situation? I guess what I'm really asking is, instead of increasing resolution like all the benchmarks out there to find out the performance boost of 4GB vRAM, does having multple games running simultaneously benefits from extra vRAM.
  4. Nope. it shouldn't be a problem. WoW isn't that demanding of a game.... Only time that frames might dip is when you're in cities with a ton of sprites...
  5. Best answer selected by dexter98.
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