GTX 680 2GB or 4GB for triple monitor

What card would be better for 3 x 1080p monitors? gtx 680 4GB or 2GB?
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More about triple monitor
  1. Well the 680 4GB is $600 which is nuts and wont be any better than a 2GB 680, therefore I recommend a 680 2GB if you must go with Nvidia.
  2. http://www.hardocp.com/article/2012/07/30/msi_geforce_gtx_680_lightning_overclocking_redux/6
    MSI GeForce GTX 680 Lightning Overclocking Redux

    Quote:
    Gameplay Summary

    The highest stable overclock with voltage on the MSI GeForce GTX 680 Lightning using the default BIOS had a significant performance increase compared the overclock without voltage tweaking. In Max Payne 3 it was 8.9% faster than the overclocked MSI GeForce GTX 680 Lightning without voltage tweaking and 14.1% faster than the stock video card. BF3 Singleplayer the highest overclock was 16.1% faster than its stock settings. In BF3 Multiplayer it averaged 74 FPS and was 9.8% faster than the overclock without voltage tweaking, and 15.3% faster than the stock video card. In Batman it was 7.7% faster than the overclock without voltage tweaking and 14.5% faster than the stock video card. In The Witcher 2 it was 8.9% faster than the OC without voltage tweak and 14.3% faster than the stock MSI GeForce GTX 680 Lightning.

    Basically, the performance increase between the overclock with and without voltage tweaking was higher than the performance increase the stock MSI GeForce GTX 680 Lightning experienced from the overclock without voltage tweaking. In other words, voltage tweaking provided over double the performance increase compared to the overclock without voltage tweaking.

    With fans at 100% the GPU temperature on the default BIOS increased to 62c using voltage tweaking.

    The LN2 BIOS had an even higher overclock which pushed the GPU extremely close to 1400MHz, and put the memory over 7GHz GDDR5. In MP3 it was 8.1% faster than the Overclocked AMD Radeon HD 7970 and 18.1% faster than its stock settings. In BF3 SP it was 4.3% faster than the Overclocked AMD Radeon HD 7970 and 17.9% faster than the stock MSI GeForce GTX 680 Lightning. In Batman the overclocked MSI GeForce GTX 680 Lightning was 16.2% faster than its stock settings, and 19.3% faster than the Overclocked AMD Radeon HD 7970. In The Witcher 2 it was 2.4% faster than the Overclocked AMD Radeon HD 7970 and 14.3% faster than the stock settings. The overclock on the LN2 BIOS increased the performance above the Overclocked AMD Radeon HD 7970 in every game.

    With the fans at 100% the GPU temperature on the LN2 BIOS increased to 73c using voltage tweaking and 300% Power Limit.


    http://www.newegg.com/Product/Product.aspx?Item=N82E16814127693
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