Many users of modern smartphones often wonder what bitness their operating system is. This is especially important when installing specific software that requires support for certain processor architectures.
In this article we will take a detailed look at why knowing the bitness Android matter and what methods can be used to obtain reliable information about your device.
Why you need to know the bitness processor and OS
The system bitness directly affects what applications can be installed on the device. 64-bit architecture allows you to address a significantly larger amount of RAM and perform calculations more efficiently.
If you try to install a version of an application that is incompatible with the architecture your processor, the system will throw an error during installation or the app simply will not start.
⚠️ Attention: Legacy 32-bit applications may run slower on new 64-bit systems due to emulation, and some older 64-bit apps will not run at all on 32-bit devices.
Modern versions Android are increasingly abandoning support for 32-bit applications to improve performance and security.
Understanding architecture your gadget will help avoid compatibility problems when downloading games and utilities from third parties sources.
Before installing a heavy application or game, download a small utility to check the architecture to save traffic and time.
Using specialized applications
The easiest and most reliable way is to install a free application from the store Google Play. Such utilities read information directly from the system kernel.
One of the most popular apps is CPU-Z. After installation, launch it and go to the Systemtab. The line Kernel Architecture will contain the exact information.
Another useful application is AIDA64. It provides comprehensive hardware data. Find the section CPU and look at the set of instructions.
- 📱 If you see the inscription arm64-v8a, then you have a 64-bit system.
- 📱 The inscription armeabi-v7a indicates a 32-bit architecture.
- 📱 Value x86 or x86_64 found on emulators and tablets with Intel processors.
You can also use the application Device Info HWwhich often shows more detailed information about the support of specific instructions kernel.
Applications from Google Play provide the most accurate and understandable information without the need to connect to a computer.
Checking through developer settings
In some versions Android information about bit depth can be found in the standard settings menu, but this often requires activating hidden options.
You must first enable developer mode. To do this, go to Settings → About phone and quickly press 7 times on the item Build number.
After a message appears stating that you have become a developer, go back to the main settings menu. There will be a new section For developers.
Inside this menu you can sometimes find information about running processes or debugging, where the architecture is indirectly indicated, but this method is less reliable than using third-party software.
On pure Android in the section About phone → Software information sometimes the kernel version is indicated, where an architecture marker may be present.
⚠️ Attention: The developer menu interface differs between different manufacturers (Samsung, Xiaomi, Pixel), so the location of the items may differ.
Do not change the settings in in this section if you are not sure of their purpose, as this can lead to unstable operation of the system.
What to do if the developer menu does not appear?
Make sure that you click on “Build Number” and not on “Android Version”. On some shells you need to press 10 times instead of 7.
Analysis via computer and ADB
For advanced users, there is a method of checking through debugging USB. It requires a computer and installed drivers for your smartphone.
Connect your phone to the PC, enable USB debugging in the developer menu and open the command prompt on your computer in the tools folder ADB.
Enter the following command to get information about supported architectures:
adb shell getprop ro.product.cpu.abiThis command will display the main processor architecture. If the result is arm64-v8a, then the system is 64-bit.
You can also enter the command adb shell cat /proc/cpuinfoto see a detailed list of capabilities processor and flags.
⚠️ Attention: For ADB to work, the correct device drivers must be installed on the computer, otherwise the phone will not be detected in the command line.
This method is useful if the phone's touch screen does not work or the system does not load completely.
☑️ Preparing for scanning via ADB
Correspondence table of architectures and applications
Understanding markings helps to correctly select app versions during manual installation APK files.
| Marking | Bit capacity | Device type | Compatibility |
|---|---|---|---|
armeabi-v7a |
32 bit | Old smartphones, budget models | Only 32-bit applications |
arm64-v8a |
64 bit | Modern smartphones (2016+) | 64 and 32-bit applications |
x86 |
32 bit | Tablets, emulators | Specific x86 applications |
x86_64 |
64 bit | Powerful tablets, Chromebooks | Universal compatibility |
Most modern games require the architecture arm64-v8a for the graphics engine to work correctly.
If you download a universal installer, he will determine the required version himself, but when manually downloading from forums, this knowledge is critically important.
Universal APK files often weigh more, since they contain libraries for all architectures, while individual versions are optimized for a specific type.
Frequent errors in determination
Users are often confused bit depth of the operating system with the amount of RAM. The presence of 4 or 8 GB RAM does not guarantee a 64-bit OS, although in 99% of cases they come in pairs.
Another common mistake is to focus only on the processor model in marketing descriptions. Some chips support 64 bits, but the manufacturer installed a 32-bit version Android to save resources.
It is also worth considering that the kernel itself can be 64-bit, but the user space (applications) runs in 32-bit mode in older versions of Android 5.0 and 6.0.
Always check the actual architecture of the running kernel, and not just the theoretical capabilities of the chip.
Is it possible to update 32-bit Android to 64-bit?
Usually no, since it depends on the support from the device manufacturer and the availability of appropriate drivers in the official firmware.
The impact of bit depth on performance
Switching to 64-bit a system gives a noticeable increase in performance in tasks that require large calculations, such as photo processing or modern games.
However 64-bit applications take up slightly more space in RAM due to the increased size of pointers.
On devices with low memory (less than 2 GB), this may lead to background applications being closed more often.
However, for the modern user, the advantages of the 64-bit architecture completely outweigh the minor disadvantages.
Developers are gradually stopping support for 32-bit versions of their products, making the choice in favor of new standards inevitable.
Does capacity affect battery life?
Indirectly. 64-bit processors perform tasks faster and can enter power-saving mode earlier, but the instructions themselves may consume slightly more power per unit of operation. In general, the difference is leveled out by system optimization.
Is it possible to run a 64-bit game on a 32-bit Android?
No, this is technically impossible. The game simply will not install or will display a compatibility error when launched, since the processor does not understand 64-bit commands.
Why does CPU-Z say arm64, but the game does not work?
Perhaps the game requires a specific version of OpenGL or Vulkan, or it is not optimized for your processor model, despite the appropriate bitness.
Where can I see the bit depth on an iPhone?
All modern iPhones (starting with the iPhone 5S) use only 64-bit architecture. There is no separate setting or switching; the system always operates in maximum mode.