The iPhone 13, which costs tens of millions of rupiah, is only equipped with 4GB of RAM, while there are flagship Android phones that are up to 18 GB. Even with the RAM expansion feature, it can reach 20 GB, exceeding the laptops on the market today.
The question arises why 4GB RAM is still sufficient for an iPhone while the same capacity is not sufficient for an Android cellphone?
Quoting from the Gizchina page, first of all, we must understand the function of RAM on a cellphone. It is a temporary storage of processor operating data.
Thus, users can get this information whenever they want. For example, if an application running on a cellphone is like a math test, then RAM is like a piece of paper to write down calculation steps. While the processor is responsible for the calculations by preparing the formula.
Difference between iOS and Android
Although the iOS and Android platforms are intended for touch screen phones, the logic of the operation of the two platforms is very different. For example, due to the limitations of Google services on Android, all applications must work in the background.
This means, if you open a 100MB app, RAM will be consumed by 100MB. In fact, apps on Android phones will continue to drain RAM throughout the day, even if you don't open them.
This means a lot of apps will run in the background making Android a very RAM-hungry platform. Therefore, more RAM is needed on an Android cellphone to run smoothly.
In contrast, iOS uses a background freeze mechanism consistent with Apple services. All app push messages must be sent to Apple's push notification service first, then sent to the user.
On iOS, when the app is in the background it will be paused and disabled. Even if the previous task is stopped, the system records the current status of the application. When it is necessary to resume, the application will be returned to the previous state according to the available logs.
That's why Apple conveniently only equips 4GB of RAM in the iPhone 13 without worrying about users experiencing lags
While on Android, more apps will require more RAM. With the increasing number of built-in apps, Android phones need more than 4GB of RAM to function.
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That is, when the area of the scratch paper is insufficient, the calculation efficiency will decrease. This obviously will ultimately affect the speed of answering questions.
From the above example, we can easily conclude that the iPhone does not require a lot of RAM because the iOS algorithm is simpler and more efficient, and does not require too much scratch paper.
On the other hand, it has an eraser, so that the used area can be cleaned in time. Of course, this is just a basic logical conclusion based on facts. We need to go deeper into the differences between iOS and Android.