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  1. Joined : Oct 2013
    Posts : 17,522
    64-bit Windows 10 Pro build 15014
       17 Nov 2014 #1

    What you need to know about DDR4 memory


    Most computer technologies only last a short time before they are replaced by something new, but DDR RAM is one of the few that tends to last a while before being replaced. The original DDR SDRAM was launched in 2000 and lasted three years before being replaced in 2003 by DDR2 SDRAM.

    DDR2 lasted another four years before being replaced in 2007 with DDR3 SDRAM. Since then, it has been seven years without a new revision of DDR RAM, but DDR4 has finally been launched to replace DDR3 SDRAM.

    What's new in DDR4?

    From a physical standpoint, DDR4 is the same width as DDR3, but is slightly taller by about .9mm. The main physical difference between DDR3 and DDR4 is that DDR4 uses 288 pins compared to the 240 pins on DDR3 and the key is in a different location.

    In addition, the pins on DDR4 are not in a straight line but slightly curved with the middle sticking out further than the pins on the end.

    Though there are ton of changes, the four major improvements of DDR4 SDRAM can be summed up in lower operating voltage, increased power saving enhancements, increased frequency, and improved chip density.
    Read more...
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  2. Joined : Nov 2013
    Idaho USA
    Posts : 4,534
    OS X, Win 10
       18 Nov 2014 #2

    Will be nice if and when I buy a motherboard that will support it. . .
      My System SpecsSystem Spec


  3. Joined : Jul 2014
    Serbia
    Posts : 7,009
    All kinds
       18 Nov 2014 #3

    Lee said: View Post
    Will be nice if and when I buy a motherboard that will support it. . .
    Be patient, it's just starting, a lot more stuff has to come together before it becomes norm. MBs, processors etc. everything has to support it. Even software will have to be adjusted to make full use of larger capacities and speed. Considering that even DDR3 is still very satisfactory, DDR4 may not become as common for another year or two.
      My System SpecsSystem Spec


  4. Joined : Nov 2013
    Land of 10,000 lakes
    Posts : 10,346
    W10 Pro, W10 Home
       18 Nov 2014 #4

    Considering that even DDR3 is still very satisfactory, DDR4 may not become as common for another year or two.
    Just in time for my next build. This PC is 3 years old now and I like to build a new one about every 5 years.
      My System SpecsSystem Spec


  5. Joined : Jan 2014
    Oak Ridge TN, USA
    Posts : 23,939
    Windows 10 Pro x64
       18 Nov 2014 #5

    Nice, but I think if it's not a big improvement over DDR3 I'll just pass it by.
    Jeff
      My System SpecsSystem Spec


  6. Joined : Jul 2014
    Serbia
    Posts : 7,009
    All kinds
       18 Nov 2014 #6

    BunnyJ said: View Post
    Nice, but I think if it's not a big improvement over DDR3 I'll just pass it by.
    Jeff
    Oh no, you won't, not if you plan to make new machine 2 or 3 years from now. DDR2 or MBs and processors for it nobody makes any more. There maybe some left (I.m still finding Pentium 1s and 2s) but they are EOL for at least couple of years now.
      My System SpecsSystem Spec


  7. Joined : Jan 2014
    Oak Ridge TN, USA
    Posts : 23,939
    Windows 10 Pro x64
       18 Nov 2014 #7

    CountMike said: View Post
    BunnyJ said: View Post
    Nice, but I think if it's not a big improvement over DDR3 I'll just pass it by.
    Jeff
    Oh no, you won't, not if you plan to make new machine 2 or 3 years from now. DDR2 or MBs and processors for it nobody makes any more. There maybe some left (I.m still finding Pentium 1s and 2s) but they are EOL for at least couple of years now.
    I'm talking of sticking with DDR3. The biggest advantage of DDR4 is voltage reduction and that's great for battery powered devices but kind of useless for desktops. IMO.
      My System SpecsSystem Spec


  8. Joined : Jul 2014
    Serbia
    Posts : 7,009
    All kinds
       18 Nov 2014 #8

    BunnyJ said: View Post
    CountMike said: View Post
    BunnyJ said: View Post
    Nice, but I think if it's not a big improvement over DDR3 I'll just pass it by.
    Jeff
    Oh no, you won't, not if you plan to make new machine 2 or 3 years from now. DDR2 or MBs and processors for it nobody makes any more. There maybe some left (I.m still finding Pentium 1s and 2s) but they are EOL for at least couple of years now.
    I'm talking of sticking with DDR3. The biggest advantage of DDR4 is voltage reduction and that's great for battery powered devices but kind of useless for desktops. IMO.
    Yeah but new DDR3 and parts for it will go the way of Dodo, SDRAM, RDRram, DDR, DDR2 in couple of years and probably up in price too, at least for a while. DDR4 has other advantages over DDR3, higher capacities per stick, higher density, speed etc.
      My System SpecsSystem Spec


  9. Joined : Nov 2013
    Land of 10,000 lakes
    Posts : 10,346
    W10 Pro, W10 Home
       18 Nov 2014 #9

    BunnyJ said: View Post
    Nice, but I think if it's not a big improvement over DDR3 I'll just pass it by.
    Jeff
    When I built my current PC I spent a bit more on the components, so I wouldn't have to spend more on upgrading it until my next build. So if DDR4 is available when I build my next PC I will go for it.
      My System SpecsSystem Spec


  10. Joined : Jan 2014
    Oak Ridge TN, USA
    Posts : 23,939
    Windows 10 Pro x64
       18 Nov 2014 #10

    CountMike said: View Post
    BunnyJ said: View Post
    CountMike said: View Post
    BunnyJ said: View Post
    Nice, but I think if it's not a big improvement over DDR3 I'll just pass it by.
    Jeff
    Oh no, you won't, not if you plan to make new machine 2 or 3 years from now. DDR2 or MBs and processors for it nobody makes any more. There maybe some left (I.m still finding Pentium 1s and 2s) but they are EOL for at least couple of years now.
    I'm talking of sticking with DDR3. The biggest advantage of DDR4 is voltage reduction and that's great for battery powered devices but kind of useless for desktops. IMO.
    Yeah but new DDR3 and parts for it will go the way of Dodo, SDRAM, RDRram, DDR, DDR2 in couple of years and probably up in price too, at least for a while. DDR4 has other advantages over DDR3, higher capacities per stick, higher density, speed etc.
    If that's the case I'll have to use DDR4.
      My System SpecsSystem Spec


 
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