For those of you who don’t know what RAM and RAM management are, here is brief overview of how they work in an Android smartphone (or any other computer device).
First off, RAM stands for Random Access Memory. RAM is a type of temporary storage that is much faster than your internal storage(or hard disks for computers). This temporary storage is used as a “middleman” between your internal storage and your display.
Why use RAM?
You could read and write everything from your internal storage but since the speed is nowhere near RAM, everything would come to a screeching halt and lag. By having RAM as middleman, the CPU is able to read and write to the display instantaneously and all of this happens anytime you are using your smartphone.
When you load a game app and it says, “loading”, your OS is essentially loading game data(such as maps/graphics) from the internal storage to the RAM.
For that reason, any gadget device that has a CPU and display always have RAM. Now, since RAM is temporary storage, you only need as much it is required to display the data you want. Having extra RAM can be useful if you play games that require a lot of graphics (as each frame takes a good amount of RAM) but if you do not require extra RAM it simply doesn’t get used and it does not help the performance of your phone. That is why you don’t see a smartphone with 20GB of RAM simply because there’s no apps that would require that much. It’s really a balance and check and smartphone manufacturers try to give the user enough RAM to run most apps plus some leeway for multi-tasking.
What is RAM Management?
RAM management is the job of managing how the RAM gets used. For example, if you have 3 apps open and switched to a graphic-intensive game that requires 3GB of RAM, the OS would calculate how much RAM is available and close any apps that are taking up too much of the RAM. In certain cases like Samsung phones, it aggressively closes apps to make sure there is enough RAM for new apps being switched to. In cases like OnePlus 3, it may be less aggressive and keep more apps open. Neither of these are perfect by any means as it is also dependent on how the user uses the phone.
Does RAM make your phone faster?
Now, having faster RAM or more RAM doesn’t necessarily make your phone faster because it loads information from your internal storage first. You internal storage is always the bottleneck since it’s much slower than RAM and also RAM must rely on internal storage to read data and information. But if you do not have enough RAM, it can ultimately cause your smartphone to lag badly while having more than enough RAM won’t help you make anything faster.
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