How much RAM is needed to ‘swiftly’ run a 5″ Jelly Bean device in spite of apps running in it’s background?

Drsunil V December 18, 2013

How much Random Access Memory is needed to ‘SWIFTLY’ run a 5″ Jelly bean Android phone with 1 Ghz dual core A9 processor  , in spite of apps like Gmail , Facebook , and about 5 similar apps running in it’s background? Query is for speed and not multi-tasking

  1. Sachin K
    December 19, 2013 at 9:59 am

    Google said that a minimum of 512 mb of RAM is a must.
    But of course that is the minimum criteria, if you are aiming for a smooth multitasking option, and that you are, then a phone with 1 GB of RAM should do fine.

    But then again if you are a gamer and use lots of heavy apps and plan on getting a phone, somewhat near the high end of the spectrum, and wish to keep it updated for the next 2 years or so, then a 2 GB RAM would be an economic option...

    Also consider that fact that you may not be using the same phone for too long, so a mid range phone with 1 GB will be fine, and you can get a new one, a couple of months down the line

    • Drsunil V
      December 23, 2013 at 4:51 pm

      Thanks. Nice answer!

  2. Susendeep D
    December 18, 2013 at 11:08 am

    A jellybean phone would hang a lot if it has only 512 MB RAM.It would start to crawl or freeze if you open up even 3 browser tabs.

    Don't think that a phone with 1 GB of RAM will run smoothly,as the system also keeps some amount of RAM reserved to itself.

    As said above,a badly coded app is also responsible for poor app performance will eventually bogs down a phone.

    • Drsunil V
      December 19, 2013 at 7:29 am

      Thanks. Please , can you also add , that considering the concerned app is encoded to multi-cores of phone , then how much free RAM would run a Jelly bean 5 inch device swiftly , inspite of apps running in background?

    • Susendeep D
      December 19, 2013 at 3:19 pm

      Usually,when many apps are running and you want to open more apps and to run it swiftly,like say memory intensive browser app,then your phone must have free 200 MB more RAM.

      Kindly have a read at the below article which might give you glimpse of Jellybean resource usage and its impact on the phone -

    • Drsunil V
      December 24, 2013 at 4:59 pm

      Thanks. Please tell , that even 2GB RAM cannot help the device run "swiftly" if it has apps not properly encoded to use multicores?

    • Susendeep D
      December 25, 2013 at 6:08 am

      Memory and CPU requirements are different things.If the app is coded very badly and doesn't utilizes the given hardware properly,then any amount of resource will not make it run in an efficient way.

    • Drsunil V
      December 25, 2013 at 5:27 pm

      Thanks. Please tell , 'swiftness' depends on RAM or processor?

    • Susendeep D
      December 26, 2013 at 4:11 pm

      Both processor and RAM plays an important role in smooth operations.If RAM is less and CPU not powerful then phone will lag(see S4 and accept the truth).

    • Drsunil V
      December 26, 2013 at 4:27 pm

      But is said , that RAM decides swiftness while processor strength is to help multitasking

  3. Hovsep A
    December 18, 2013 at 8:33 am

    are you having slow experience with your phone? normally kitkat.

    ---- Minimum Memory and Storage
    Device implementations MUST have at least 340MB of memory available to the kernel and userspace. The 340MB MUST be in addition to any memory dedicated to hardware components such as radio, video, and so on that is not under the kernel's control.
    Device implementations MUST have at least 512MB of non-volatile storage available for application private data. That is, the /data partition MUST be at least 512MB. Device implementations that run Android 4.3 are very strongly encouraged to have at least 1GB of non-volatile storage for application private data so they will be
    able to upgrade to the future platform releases.

    • Drsunil V
      December 19, 2013 at 7:32 am

      Thanks. Please , can you tell for basic users , does non-volatile storage imply Internal storage or external or both? and volatile implies only 'Random Access Memory'?

    • Hovsep A
      December 19, 2013 at 11:36 am

      i think non-volatile means your 'hard drive'! and it is the internal storage, so that to hold the operating system...

    • Drsunil V
      December 23, 2013 at 4:52 pm

      Thanks. Are you sure , non-volatile does not include sd card?

    • Hovsep A
      December 23, 2013 at 5:17 pm

      well if you root your android and do all sort of things then yes it is non-volatile (SD in general is not volatile), but for android and updates non-volatile is the internal storage and not external storage.

      Using the External Storage
      Every Android-compatible device supports a shared "external storage" that you can use to save files. This can be a removable storage media (such as an SD card) or an internal (non-removable) storage .Files saved to the external storage are world-readable and can be modified by the user when they enable USB mass storage to transfer files on a computer.

      Saving Files
      All Android devices have two file storage areas: "internal" and "external" storage. These names come from the early days of Android, when most devices offered built-in non-volatile memory (internal storage), plus a removable storage medium such as a micro SD card (external storage). Some devices divide the permanent storage space into "internal" and "external" partitions, so even without a removable storage medium, there are always two storage spaces and the API behavior is the same whether the external storage is removable or not.

  4. Dalsan M
    December 18, 2013 at 8:05 am

    1GB RAM should be sufficient, 512MB would be cutting it close (would probably lag some, depending on the apps). I notice some lag issues at times on my Samsung Galaxy Note 2. It has a quad core 1.6GHz processor and 2GB RAM, but the lag issues are due to how the apps are coded to run, especially since many apps are still not coded to use more than a single core, even on multiple-core systems. Some apps are not coded efficiently, either, so some apps may not run as smoothly or quickly on more powerful systems.

    • Drsunil V
      December 19, 2013 at 7:30 am

      Thanks. Please , can you add , how to know whether lag is due only to wrongly encoded app or due to less RAM?

    • Dalsan M
      December 19, 2013 at 9:11 pm

      It is rather difficult to truly determine whether the app is coded badly, coded for single core processing, coded for higher GPU support, etc. Many times, though, a small installed app size using high amounts of RAM and/or CPU could be an indication of a poorly written app. Also, if the process(es) for the app is running and constantly starts running in the background no matter how much you try to end the process (unless it is a necessary process that should constantly run), it could also be a sign of a badly written code. Memory leaks are common with improperly coded apps.

    • Drsunil V
      December 23, 2013 at 4:53 pm

      Thanks. Please tell , are top developer apps like Gmail , Facebook encoded for dual cores?

    • Dalsan M
      December 24, 2013 at 3:57 am

      I can't say for sure whether Gmail or Facebook would be coded to use multiple CPU cores, but I wouldn't think that they would since there really isn't a need. Neither are very intensive apps that should require more than one core of CPU usage. There are, however, multiple processes that may be used when push notifications are used. RAM usage would be the thing to look at with these apps, though I wouldn't know how they use it and why in great detail.

      More intensive apps should use multiple cores of the CPU, if available. Whether they do or not depends on the app and how they are coded.

    • Drsunil V
      December 24, 2013 at 5:02 pm

      Thanks. Please tell , how to know that the reason why an app is not stopping , is due to improperly encoded or because it is manufacture default app ( for eg., Hookup app )

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