Info on graphics/video carde

so im in the process of buying a new graphics/video card and im needing some info before i buy one. so my first question is what does MHz mean and how it compares to Gbps. for example, one im interested in says 1250Mhz (5.0Gbps) and another says 4000Mhz and doesnt say anything about Gbps. however both say that they are 2Gb. so can someone shed some light on what this means and the differences?

and here are the links to them if you want to see yourselves. (click deatail tab when you get there)
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130683
http://www.newegg.com/Product/Product.aspx?Item=N82E16814150549
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More about info graphics video carde
  1. The MHZ you see, is the clock frequency of the GPU (Graphics Processing Unit). Usually the higher it is, the better. But it's not the only thing that matters. Amount of VRAM and the speed of the VRAM are also important. The 2GB you see, is the amount of Video RAM the cards have.

    http://www.anandtech.com/bench/Product/510?vs=547
    Here is a comparison between the two cards you listed.
  2. mistyshower said:
    so im in the process of buying a new graphics/video card and im needing some info before i buy one. so my first question is what does MHz mean and how it compares to Gbps. for example, one im interested in says 1250Mhz (5.0Gbps) and another says 4000Mhz and doesnt say anything about Gbps. however both say that they are 2Gb. so can someone shed some light on what this means and the differences?

    and here are the links to them if you want to see yourselves. (click deatail tab when you get there)
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814130683
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814150549

    At the end of the day, it is the price/performance that matters. Here is the regular article Tom's publish that is useful in determining what card is best for your requirement & budget. Since this review is usually published monthly, you might want to wait for the June edition to get the most updated information:
    http://www.tomshardware.com/reviews/gaming-graphics-card-review,3107.html
  3. Ghz is not what you want to look at. Its just a specification that companies like to market but it isn't the whole picture of how a gpu performs. Its a good thing your at tomshardware since its a very good resource if your in the market for a cpu or a gpu. On the top of the website are tabs, go to charts to see the performance of different parts. The latest CPU's and GPU's are what you want to focus on. When looking at the chart you shouldn't choose a part by only its performance, you should also take into account its cost. For example a AMD HD 7770 costs about $130, compared to a AMD HD 7950 which costs $390. The HD 7950 is about twice as fast yet it costs more than 3x more making it not as good a card from a cost benefit prospective, benefit being performance per dollar.

    This said an AMD HD 7770/AMD HD 7750 or a Nvidia Geforce 550 ti currently the best value in the market. The AMD HD 7770 is about $15 more but is about 20-25% faster than the AMD 7750/Nvidia 550 ti making it a better choice if you have more money to spare. The HD 7770/7750 also consumes less energy which is a plus compared to the Geforce 550 ti.
  4. I would suggest you don't buy anything bellow the mid range cards I listed since they rip you off from a value prospective.
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