HD 7770 to GTX 660

Would replacing HD 7770 with GTX 660 make a big difference in gaming? I'm aiming to play games like Crysis 3 high settings etc. My current specs are:
CPU: i3 3220 3.3GHz
GPU: HD 7770
RAM: 8GB
MOBO: H61M-P31 (not sure)
PSU: some 450W one
4 answers Last reply
More about 7770
  1. Yep, the 660 will perform much better than the 7770, and will definitely tackle Crysis 3 at high
  2. Chairman Ray said:
    Yep, the 660 will perform much better than the 7770, and will definitely tackle Crysis 3 at high

    Should I upgrade my CPU too or it will run Crysis 3 fine?
  3. Yes it would make a nice improvement on gaming!!
    But I would suggest something better then "some 450W one" for psu...
    Quality brands are Corsair, Seasonic, Enermax, PCP&C, XFX and there are more so post anything that you might concider...
  4. The HD7770 in games is roughly between 55% and 70% of the GTX660 (it varies by the game). The i5-3570K versus your 2-core CPU will vary quiet a bit by game as well (Crysis 3 is CPU intensive).

    You're going to be spending over $500 however to upgrade your system:
    1) i5-3570K
    2) GTX660
    3) Power Supply

    With such an expensive upgrade, you may wish to ask yourself if it's even worth it (if it's only for Crysis 3 I'd personally say no), and if so maybe you should spend a LITTLE MORE and get a better graphics card?

    It may be worth investigating what $300 or so will get you from AMD because they include Crysis 3 with some of their cards as well: http://www.newegg.com/Product/Product.aspx?Item=N82E16814202026

    The above card has Crysis 3 and Bioshock Infinite included. Since it costs $290 (after MIR) the actual card costs LESS THAN $200.

    HD7950 vs GTX660:
    Performance is similar, but the benchmarks seem to indicate the HD7950 on average beats the GTX660. You'll have to look at the Pros and Cons more closely I guess as it's not completely cut and dry.

    Summary:
    - over $500 to upgrade
    - HD7950 recommended
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