Memory valtage questions

Discussion in 'Player Support' started by blueangleofdeath, Jun 15, 2014.

  1. Dragam

    Correct - with 2 modules its 10 pr module, while with 4 modules, its 5 per module :)

    But for it to be 10 per module, they have to be placed in 1a and 2a, and not 1a and b, or 2 a and b.
  2. blueangleofdeath

    if I was to put in four modules it would be in this order 1, 3, 2, and 4. If the cpu could take 40 bandwidth it would handle each one as 10GB. How do you get total bandwidth from the module? Is it something with the name of it? Also will this help my graphics card run better or effect it's bandwidth?

    EDIT: The memory I'm looking comes in a 1.5 volts and a 1.35 volts. I like the lower volt one as it uses less power and makes less heat but will it effect performance?
  3. Dragam

    Well, your motherboard only has 2 ram channels, so regardless of what cpu you put on it, the bandwidth is only made up of the speed from 2 ram modules.

    So to double the bandwidth, youd have to double the speed of the ram - aka 2666 MHz ram :)

    Well... faster ram (bandwidth less so) can help your Graphics Card, in the case that the Graphic Cards memory is being exceeded... then the Graphics Card will use the system ram, in what is called shared memory.

    Where faster ram, and higher bandwidth will really help, is where you need to stream alot of data - games where you need to do this, are battlefield 4 for instance, where you will see significantly higher minimum fps, if you have fast ram.

    Using less volt doesnt mean they wont perform as fast - its just like some CPU's need 1.2 volt to run at 4,5 ghz, while others need 1.4 volt... but their performance is identical, aside from thermals.
    So id always choose the lower voltage one, assuming that they have the same clock frenquency, and all the timings are identical.
  4. blueangleofdeath

    Right, what I mean is that each module can go up to 10.6 if it needed to for a total of 40 but my CPU can only use 20 not sure if that per channel or both channels. The memory is DDR3 1333 (PC3 10600) so would the easy way of figuring out bandwidth is from the 10.6 part of the name?

    Currently I have almost 4 gigs in shared memory for GPU.

    Currently I have 8 gig memory installed so I guess what is happening is OS takes 2 gigs which leaves me with 6 and then gpu takes 4 from shared memory which really leaves me with 2 gigs or so free. I think what is happening then is I have a bottle neck in memory because I need more space.

    Yeah the two are exactly the except for voltage.
  5. Dragam

    No, with 1333 MHz ram and 2 channels, it can never be more than 21 bandwidth in total.

    For it to reach 40 gb bandwidth with 2 channels, youd have to use 2666 MHz ram.

    You missunderstand regarding shared gpu memory - it CAN use up to 4gb in total - that Means the gpu's own 2gb + 2gb system... but it will only use the system ram, if it is exceeding the gpu ram.
    So lets assume that the gpu uses 4gb in total, that would mean gpu takes 2gb of your system ram, and uses 2 gb on the OS, leaving you with 4gb free.

    But i have to say, that its very rare that you exceed 2gb ram on the gpu, at 1080p resolution.
  6. blueangleofdeath

    Ah so for one channel the bandwidth would be 10.6 per module if I was only using two and 5gb per module if I was using 4 models.

    My gpu has 1gig of memory and I use 1080p but still more memory would help either way. however if I don't have enough gpu memory and not enough system memory I lose performance of the game.

    Thanks for taking the time for answering all my questions, even if they are repeated :)
  7. Kirppu1

    Your Mobo can take more than 1333mhz, http://www.asus.com/Motherboards/CROSSHAIR_V_FORMULAZ/specifications/
    But in video games the Hertzes rarely matter at all. So what i am trying to say is rather buy more than faster
  8. blueangleofdeath

    Correct! The board can but the CPU can't the CPU can only support 1333.
  9. Dragam

    Blueangleofdeath : Well... more memory wont really change all that much, as long as what you have is sufficient, which id say 8gb for your system is (assuming that you are using duel channel atm).

    But you are very welcome :)
  10. blueangleofdeath

    I'm currently using 8gig in dual channel mode. I think 8 is ok but I think 16 will work much better.