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posted by janrinok on Tuesday November 09 2021, @06:12PM   Printer-friendly

Samsung Announces LPDDR5X DRAM for Smartphones; 1.3x Faster Than LPDDR5 With Speeds up to 8.5Gbps

Samsung today officially announced LPDDR5X DRAM chips for smartphones and other applications. Compared to the LPDDR5 standard, the new chips bring increased speeds, and it will be no surprise that we will see them in action in several 2022 flagship handsets.

[...] In contrast to LPDDR5's 6.4Gbps maximum bandwidth, LPDDR5X can achieve 1.3-times the performance with processing speeds that go up to 8.5Gbps. Samsung has used its 14nm technology to mass produce the next-generation DRAM chips, and it will be advantageous for portable devices too because the new standard is 20 percent more energy-efficient than LPDDR5.

The press release says that 16Gb LPDDR5X chips will enable 64 GB memory packages, "accommodating increasing demand for higher-capacity mobile DRAM worldwide." In other words, Samsung is planning to put 32 dies in a single package, and eventually stick 64 gigabytes of memory in smartphones (or tablets, or laptops). Recently, Samsung has been making 16 GB packages with only 12 or 8 dies:

The 16Gb LPDDR5 can build a 16GB package with only eight chips, whereas its 1y-based predecessor requires 12 chips (eight 12Gb chips and four 8Gb chips) to provide the same capacity.

Also at AnandTech.

Previously: SK Hynix Announces 8 GB LPDDR4x DRAM Package for Mobile Devices
Samsung Announces LPDDR5 DRAM Prototype Before Specification is Finalized
Samsung Announces Mass Production of 16 GB LPDDR5 DRAM Packages
SK Hynix Begins Production of 18 GB LPDDR5 Memory... for Smartphones


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  • (Score: 2, Disagree) by DannyB on Tuesday November 09 2021, @07:20PM (8 children)

    by DannyB (5839) on Tuesday November 09 2021, @07:20PM (#1195017) Journal

    and eventually stick 64 gigabytes of memory in smartphones (or tablets, or laptops).

    Geez. That's WAY more powerful than most PCs even now, and some servers of not long ago.

    Even today's current cell phones, and even wristwatches (with Linux inside) are more powerful than desktop PCs and servers of the 90's. (that's NINTEEN 90's, for clarification.)

    Remember when an Altair 8800 came with 256 bytes of RAM?

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    • (Score: 0) by Anonymous Coward on Tuesday November 09 2021, @07:32PM (1 child)

      by Anonymous Coward on Tuesday November 09 2021, @07:32PM (#1195023)
      My laptop has 64 GB, tower has 128 GB, and phone has 12 GB. It's not a long way off.
      • (Score: 3, Informative) by takyon on Tuesday November 09 2021, @07:49PM

        by takyon (881) <reversethis-{gro ... s} {ta} {noykat}> on Tuesday November 09 2021, @07:49PM (#1195028) Journal

        Steam Hardware Survey [steampowered.com] says 23% of users have 8 GB of RAM, 46% have 16 GB of RAM, 13% have more than 16 GB. That's consistent with what you find in cheaper laptops and desktops (Chromebooks tend to have as little as 4 GB).

        I'm not sure I've noticed any memory packages with even 16 dies, so 32 dies for 64 GB is incredibly aggressive. Not that manufacturers won't take it. How about a laptop with 128 GB of soldered memory?

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    • (Score: 2) by HiThere on Tuesday November 09 2021, @09:44PM (5 children)

      by HiThere (866) Subscriber Badge on Tuesday November 09 2021, @09:44PM (#1195050) Journal

      The real limiting factor for smartphones is the accessories. E.g. I find the built-in keyboards nearly unusable, and I'd never want to program on a smartphone screen. This can be addressed, but only at the cost of portability, and in that case why bother? (There are use cases with an answer to that, but I don't have those uses.)

      FWIW, I find even laptops to be overly constraining. And for me a "full size keyboard" is slightly too small. (OTOH, a larger keyboard wouldn't fit nicely in my desk, because the keyboard tray thoughtfully has risers at the side constraining the space allocate to the combination of keyboard + mouse.)

      It reminds me a bit of the early days of home computers, where the REAL advantage of mainframes for most problems was the fancy tape drives and printers. Yes, there were problems where the computation required a mainframe's power, but those were rare compared to the problems where the data throughput required a mainframe's tape drives (or other data store).

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      • (Score: 3, Informative) by takyon on Tuesday November 09 2021, @09:51PM (4 children)

        by takyon (881) <reversethis-{gro ... s} {ta} {noykat}> on Tuesday November 09 2021, @09:51PM (#1195052) Journal

        Get a phone with a Samsung DeX-like mode (which will be included [xda-developers.com] by all Android devices eventually), plug it into a USB-C dock, connect your choice of display/TV, keyboard, mouse. You don't even need to use flaky Bluetooth necessarily.

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        • (Score: 2) by HiThere on Wednesday November 10 2021, @04:06AM

          by HiThere (866) Subscriber Badge on Wednesday November 10 2021, @04:06AM (#1195096) Journal

          You can do that, but at the sacrifice of portability, which is really the only thing phones have going for them as a development system.

          I'd rather use a real desktop for development. Which means that for my phone I'm more concerned about battery life than speed.

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        • (Score: 2) by jasassin on Wednesday November 10 2021, @04:51PM (2 children)

          by jasassin (3566) <jasassin@gmail.com> on Wednesday November 10 2021, @04:51PM (#1195207) Homepage Journal

          Get a phone with a Samsung DeX-like mode (which will be included [xda-developers.com] by all Android devices eventually), plug it into a USB-C dock, connect your choice of display/TV, keyboard, mouse. You don't even need to use flaky Bluetooth necessarily.

          When that gets ironed out, I'm all over that! It would be time for an upgrade. Until then, I'm keeping my $40 Samsung Galaxy J7 Crown... it just works.

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          • (Score: 4, Interesting) by takyon on Wednesday November 10 2021, @05:17PM (1 child)

            by takyon (881) <reversethis-{gro ... s} {ta} {noykat}> on Wednesday November 10 2021, @05:17PM (#1195214) Journal

            It's too bad they don't allow more lower-end devices to use DeX.

            In the meantime, you could try screen mirroring using scrcpy [wikipedia.org]. I've used that to control a Galaxy S9 using a Raspberry Pi + TV, normal keyboard, etc. With a dual-display setup, you could put the phone fullscreen on one display and the native OS applications on the other.

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            • (Score: 2) by jasassin on Thursday November 11 2021, @10:55AM

              by jasassin (3566) <jasassin@gmail.com> on Thursday November 11 2021, @10:55AM (#1195370) Homepage Journal

              It's too bad they don't allow more lower-end devices to use DeX.

              In the meantime, you could try screen mirroring using scrcpy [wikipedia.org]. I've used that to control a Galaxy S9 using a Raspberry Pi + TV, normal keyboard, etc. With a dual-display setup, you could put the phone fullscreen on one display and the native OS applications on the other.

              I'll try that. My Samsung Galaxy J7 Crown has smartview built in to mirror the screen. The problem is that most Samsung phones stutter and drop sound every three seconds. I have that problem and even people with a Galaxy Note 10 and a $3000 Samsung TV still have this same problem. It's a known problem for a long time, but Samsung doesn't seem to care at all.

              Tells you something about Samsung.

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  • (Score: 3, Interesting) by Snotnose on Tuesday November 09 2021, @10:17PM (1 child)

    by Snotnose (1623) on Tuesday November 09 2021, @10:17PM (#1195055)

    Whenever an app on my phone slows to a crawl it's because it's connecting to an ad network. Installing a phone wide ad-blocker sped things up a helluva lot more than any CPU/RAM ever could.

    Note to app developers. If it takes 5-10 seconds to come up, but less than a second once I install an ad-blocker, then your app fails. I'm specifically looking at the Samsung TV remote app. Without the ad blocker it takes 5-10 seconds to come up, usually with an ad. With the ad blocker it's up before my finger leaves the touchpad.

    Not like I'm trying to run Crysis on my phone...

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  • (Score: 0) by Anonymous Coward on Tuesday November 09 2021, @10:50PM

    by Anonymous Coward on Tuesday November 09 2021, @10:50PM (#1195063)

    /me reserves a space at the junkyard: "be ready in 3 years time"

  • (Score: 2) by mcgrew on Wednesday November 10 2021, @04:23PM (1 child)

    by mcgrew (701) <publish@mcgrewbooks.com> on Wednesday November 10 2021, @04:23PM (#1195195) Homepage Journal

    Can someone please decipher that rather large acronym for me? "LPDDR5X" is a funny way to spell "new kind of memory".

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