JEDEC finalizes DDR4 spec, coming to a PC near you in 2015

By Matthew ยท 6 replies
Sep 25, 2012
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  1. Memory standards group JEDEC has published the final specifications for DDR4 SDRAM, promising more performance, reliability and efficiency than today's DDR3 parts. DDR4 touts a per-pin data rate of 1.6GT/s to 3.2GT/s (giga transfers per second), though JEDEC notes that...

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  2. "The new design consumes 1.2 volts"
    A device doesn't consume volts; it consumes power (Watts). And while watts are more or less based on volts (for DC: P=U*I or Watt=Volt*Ampere; for AC or complex waveforms this becomes a bit more difficult), they're really not the same.
  3. LukeDJ

    LukeDJ TS Maniac Posts: 350   +112

    It really doesn't matter. The point is it draws less power.
  4. mosu

    mosu TS Guru Posts: 474   +84

    The point is one can use a single supply for both processor and memory banks and maybe integrated graphics...
  5. Matthew

    Matthew TechSpot Staff Topic Starter Posts: 5,332   +101

    Well, I think the Guest's feedback matters. I've changed the text so it reads "runs at" instead of "consumes" -- hopefully that's more accurate :).
  6. Guest above was totally on with power vs potential. You could run at only .5 V but draw 1 A which would be 500 mW. On the other hand you can run at 1.6 V and only use .25 A and end up with a power consumption of 400 mW. It is nice to see that the author took the reader feedback into consideration. Good on you.
  7. Jiopaba2

    Jiopaba2 TS Rookie

    Something to look forward to, I suppose. Always nice to see progress marching on. I'm pretty happy with my computer now, so it's likely that the next time I do a full system replacement, I'll be buying myself something like 32GB of DDR4.

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