Modern Xiaomi smartphone users often face technical specifications that at first glance seem difficult to understand, one of which is arm64, which can be indicated in the description of the device, system logs or when trying to install specialized software. It is not just a set of letters and numbers, but a fundamental characteristic that determines how your Xiaomi processes data and interacts with applications.
Understanding what lies behind this term is necessary not only for enthusiasts, but also for ordinary owners of gadgets who want to squeeze the most out of their device. arm64 It is the standard for all modern Android smartphones, providing 64-bit instructions. Unlike older 32-bit systems, it allows the processor to access much more RAM and perform calculations more efficiently.
Owners of Redmi and POCO devices can notice the difference in performance, especially when running heavy games or multitasking. Next, we will discuss in detail why this technology has become the industry standard, how it affects everyday smartphone use, and how you can independently check the specifications of your device without using complex tools.
What is the arm64 architecture and how is it different from armv7?
The arm64 architecture, also known as the AArch64, is a set of instructions that the processor uses to perform tasks. Unlike its predecessor armv7 (32-bit architecture), the new version is able to process higher bit data in one stroke. This is a fundamental difference that determines the performance of the entire MIUI or HyperOS system.
The main advantage lies in working with RAM. 32-bit systems have a limit of 4 GB of RAM, which is a critically small value for modern standards. 64-bit architecture removes this limitation, allowing Xiaomi smartphones to effectively use 6, 8, 12 and even 16 GB of RAM. Without support for arm64 multitasking would not be possible as we know it.
In addition, the new instructions are optimized for mathematical computation, which directly affects the operation of the GPU and neural networks. When you take photos using artificial intelligence or play a demanding game, it is arm64 that takes the main load, ensuring smooth interface.
⚠️ Attention: Attempting to install 32-bit applications (armv7) on a clean 64-bit system without emulation can lead to startup errors or unstable software operation.
It’s important to understand that the 64-bit transition was an inevitable step in the development of the mobile industry. Xiaomi smartphones released in the last 5-6 years, by default equipped with processors that support this technology, this applies to both budget lines and flagship models of the Mi series.
Benefits of 64-bit system for Xiaomi processors
The use of arm64 architecture in Snapdragon, MediaTek and Dimensity processors that are installed in Xiaomi devices has several tangible benefits, primarily in terms of optimizing power consumption. More efficient execution of instructions means that the processor spends less time processing the task and moves to standby mode faster, which has a positive effect on autonomy.
Data security has also taken a new level, with 64-bit environments featuring additional memory protection mechanisms such as Address Space Layout Randomization (ASLR), which make it harder to implement malicious code, and for owners of Redmi Note or Xiaomi Mi, this means better protection of personal data and banking applications.
Compatibility with modern software is another key factor: App developers are increasingly abandoning support for 32-bit systems, focusing solely on arm64, which ensures that your smartphone will be relevant for longer and can run the latest versions of popular programs.
- 🚀 Increased performance in games thanks to an expanded set of CPU registers.
- 🛡️ Improved system and user data protection at the hardware architecture level.
- ⚡ More efficient use of battery resources in complex calculations.
It is worth noting that optimization has also affected the work with the graphics subsystem. GPU drivers in 64-bit environments are more stable, which reduces the number of artifacts and departures in heavy applications. Owners of gaming smartphones Black Shark (a subsidiary brand) or POCO F series models are especially sensitive to these changes.
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Use Performance mode in the Security app only when playing, as it uses all the cores of the arm64 processor at maximum frequency, increasing heat.
How to check the processor architecture on Xiaomi
If you want to make sure your device supports arm64-v8a, you don't have to be a programmer. There are a few simple ways to get this information directly from a Xiaomi smartphone. The most reliable and detailed method is to use specialized diagnostic tools.
One of the most popular tools is the CPU-Z or AIDA64 application. Once the program is installed and run, you need to go to the System or CPU tab. The Instruction Sets or Architecture field will indicate the supported instruction set. For modern devices, it should indicate arm64 or AArch64.
You can also use Android's built-in tools, although this method requires care. → The phone. → All options and several times click on "Version" MIUI» Or "Android Version" to activate the developer menu. Then in the Settings menu. → Additionally. → For developers, you can find information about running processes, which often mentions architecture.
☑️ Checking the architecture of the smartphone
For advanced users with access to ADB (Android Debug Bridge), there is a way to check through the command line, and by connecting the smartphone to the computer, you can enter the command:
adb shell getprop ro.product.cpu.abiThe system will respond by giving arm64-v8a if the device is 64-bit. If you see armeabi-v7a, you have an old 32-bit device, which is almost impossible for new Xiaomi models, and this method is the most accurate result, because it relies on the system properties of the kernel.
The impact of arm64 on the installation of apps and games
When downloading apps from Google Play, the store automatically determines the architecture of your Xiaomi and offers a suitable version. APK-Users may encounter an error called "Application not installed" because of the incompatibility of the architecture.
Modern games like Genshin Impact or PUBG Mobile require 64-bit support. If you try to install an older 32-bit version of such a game on a new smartphone, it may simply not launch or work with critical graphics errors. Arm64 allows games to use more high-resolution textures and complex physical engines.
When looking for modified versions of apps or patches, always look for the arm64-v8a mark. Installing the armeabi-v7a version on a 64-bit phone is possible due to backward compatibility, but this will lead to lower performance and increased battery consumption, as the system will emulate 32-bit mode.
| Parameter | 32-bit (armv7) | 64-bit (arm64) |
|---|---|---|
| Max. RAM volume. | 4GB | More than 16GB |
| Number of registers | 16 common | 31 total |
| Productivity | Basic | High (up to 2x) |
| Energy efficiency | Medium | Optimized |
⚠️ Attention: When manually installed APK-Always choose the version that fits your processor architecture to avoid library conflicts.
Compatibility and backward compatibility in Android
One of the strengths of the Android platform used in MIUI shells is its high degree of backward compatibility, which means that Xiaomi’s 64-bit processor is able to run older 32-bit applications.
However, this mode is not perfect. When a 32-bit application runs on an arm64 kernel, it does not get all the benefits of the new architecture. Moreover, additional processes can be created in memory, “bridges” that consume resources. Therefore, for maximum speed of a Redmi or POCO smartphone, it is recommended to use the current 64-bit versions of programs.
Google is pushing for a “64-bit only” policy, requiring developers to provide 64-bit versions of apps as a mandatory requirement. In the near future, support for 32-bit code in Android may be completely eliminated, making devices without arm64 completely useless for installing new software.
What happens if a 32-bit application runs on a 64-bit system?
Owners of older devices that don’t support 64-bits should consider moving to more modern models as the application ecosystem is gradually leaving legacy platforms, and this is especially true for Xiaomi, given the fast renewal cycle of the model range.
Compatibility problems and methods of their solution
Despite the overall stability, users sometimes face architecture-related issues, such as some older Termux plugins or specific system utilities may not work properly, and in such cases, you should look for alternative versions of the software built specifically for aarch64.
If you are developing or debugging applications on your Xiaomi, make sure the build.gradle file is correct. ABI filters, support arm64-v8a Ignoring this requirement can cause your application to crash on new devices.
In rare cases, after updating the firmware, there may be conflicts of libraries. If you notice strange behavior of the system after switching to a new version of Android, try resetting or clearing the cache. Dalvik/ART. This will help the system re-optimize applications for the current processor architecture.
- 📱 Use only official app stores to ensure compatibility.
- 🔄 Regularly update system components through Settings → The phone.
- 🔍 Check the architecture requirements before installing modified software.
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The current Android ecosystem is completely tied to 64-bit architecture, and the rejection of arm64 support makes the device vulnerable and limited in functionality.