560ti SLI vs 660ti

Hello, I currently have a EVGA SuperClocked http://www.newegg.com/Product/Product.aspx?Item=N82E16814130651
and I have also OC'ed it past the EVGA OC.

Should I buy another 560ti or buy a 660ti, I would probably get this card http://www.newegg.com/Product/Product.aspx?Item=N82E16814130810

I have a 750 watt PSU so I should be able to run the SLI configuration, its the 1GB of VRAM that concerns me, will it cause a bottleneck in my system?

Thanks for any help in advance.
7 answers Last reply
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  1. If you are talking just fps the SLI will be better but suck up more than twice the power and give more than twice the heat in your room. I would reccommend the 660 then later you can SLI that when it feels not quite enough. Both will be nice though.

    Thent
  2. SLI the 560Ti's.
    They are at about the level of a GTX 670. Your PSU can handle it.
    1 GB should be enough for a single 1080p monitor, unless you are running Skyrim with a ton of mods.
  3. Hmm. Yes, 1GB may bottleneck your system, especially if you run at 1080P or above. I am kind of in a similar situation as you. I have been thinking to add another 570, but decided against it. However, in heavily modded Oblivion and Skyrim, I found myself maxing out my video RAM even at 1680x1050. I would suggest 660ti.

    Also, what PSU do you have (make and model).
  4. fpoon said:
    SLI the 560Ti's.
    They are at about the level of a GTX 670. Your PSU can handle it.
    1 GB should be enough for a single 1080p monitor, unless you are running Skyrim with a ton of mods.


    I am running on a 1920 x 1080 screen 60hrz for the refresh rate, and it runs fine now with just the one 560ti, so I shouldn't be to worried about the SLI option?
  5. yyk71200 said:
    Hmm. Yes, 1GB may bottleneck your system, especially if you run at 1080P or above. I am kind of in a similar situation as you. I have been thinking to add another 570, but decided against it. However, in heavily modded Oblivion and Skyrim, I found myself maxing out my video RAM even at 1680x1050. I would suggest 660ti.

    Also, what PSU do you have (make and model).

    This is my PSU,
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371049
  6. MatthewGill said:

    Yes, a pretty good power supply. Will have no trouble with two of 560ti. Though, I would go with 660ti. When overclocked high enough, it can even match/beat stock 670.
  7. MatthewGill said:
    I am running on a 1920 x 1080 screen 60hrz for the refresh rate, and it runs fine now with just the one 560ti, so I shouldn't be to worried about the SLI option?


    You will be fine with SLI 560 Tis if it runs fine on one.
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