Choosing a smartphone with Android 11 is a task that requires attention to technical characteristics, especially the amount of RAM (RAM) and built-in (ROM) memory. This version of the operating system, released in 2020, has its own hardware requirements, and ignoring them can lead to slowdowns, freezes, or the inability to install updates. But how much memory is really needed? The answer depends on how you plan to use the device: for social networks and calls a modest 2 GB of RAM will be enough, and for modern games like Genshin Impact or Call of Duty: Mobile you will need at least 6โ€“8 GB.

In this article we will analyze not only Android 11 minimum requirements, but also the optimal configurations for different use scenarios - from budget phones to flagships. You will learn how memory capacity affects performance, whether you can save on ROM through cloud services, and what to do if your smartphone is already โ€œchokingโ€ from a lack of resources. We will also analyze how updating to Android 11 may affect the performance of devices with low memory released before 2020.

Android 11 minimum requirements: what Google says

Official documentation Google for manufacturers (Android Compatibility Definition Document, CDD) sets strict limits for devices applying for certification Android 11. According to these requirements:

  • ๐Ÿ“ฑ RAM (random access memory): minimum 2 GB to start the system. However, this value is relevant only for the simplest devices without multitasking.
  • ๐Ÿ’พ ROM (built-in memory): no less 4 GB for basic functionality, but taking into account updates and application cache, the real minimum is 8 GB.
  • ๐Ÿ”„ Partition for updates: Android 11 requires dedicated space for A/B updates (dual firmware), which eats up additional 1โ€“2 GB.

It is important to understand that these numbers are absolute minimumat which the system will boot, but not the fact that it will work stably. For example, smartphones with 2 GB RAM and 16 GB ROM (as Redmi 9A or Samsung Galaxy A02) formally support Android 11, but users are faced with:

  • ๐Ÿข Slower animations when switching between applications.
  • ๐Ÿšซ Inability to simultaneously keep more than 2-3 applications in memory.
  • โš ๏ธ Frequent errors like "Not enough memory" when installing updates.
โš ๏ธ Attention: Manufacturers often save on memory in budget models, cutting it down for a โ€œbareโ€ system. Before purchasing, check how much space remains after installation Android 11 โ€”sometimes only the declared 16 GB is available to the user 8โ€“10 GB.

The optimal amount of RAM for Android 11: from budget to flagship

RAM (RAM) directly affects multitasking and the smooth operation of the interface. Google has optimized memory management, but this does not eliminate physical limitations. Below are recommendations on the amount of RAM for different types of users: Android 11 Google has optimized memory management, but this does not eliminate physical limitations. Below are recommendations for the amount of RAM for different types of users:

Type of use Minimum RAM Optimal RAM Examples of devices
Basic (calls, SMS, instant messengers) 2 GB 3 GB Nokia 1.4, Samsung Galaxy M02
Social networks, YouTube, maps 3 GB 4 GB Redmi 9C, Realme C11
Games (PUBG Mobile, Free Fire), photography 4 GB 6โ€“8 GB POCO X3, Samsung Galaxy A51
Heavy games (Genshin Impact, COD Mobile), video editing 6 GB 8โ€“12 GB OnePlus 8T, Xiaomi Mi 11

Why 4 GB of RAM is this the new โ€œgold standardโ€? B Android 11 background processes occupy up to 1.5โ€“2 GB memory (system services, Google Play Services, manufacturer's shell). The remaining volume should be enough for:

  • ๐Ÿ“ฑ 2โ€“3 applications in the active state (for example, Telegram + Chrome + YouTube).
  • ๐ŸŽฎ Running medium-load games without freezing.
  • ๐Ÿ”„ Quickly switch between tasks without rebooting.

If your smartphone has 2โ€“3 GB of RAMbut runs on Android 10 or older, updating to Android 11 may worsen performance. In such cases, it is worth disabling automatic updating or using lightweight firmware (for example, LineageOS without GApps).

๐Ÿ“Š What is the amount of RAM in your smartphone?
2 GB or less
3โ€“4 GB
6โ€“8 GB
12 GB or more

How much internal memory (ROM) is needed for Android 11

Internal memory (ROM) in Android 11 is spent not only on applications, but also on:

  • ๐Ÿ“ System files: the OS itself occupies 3โ€“5 GB (depending on the shell).
  • ๐Ÿ”„ Updates: A/B-partitions require duplication of firmware (+1โ€“2 GB).
  • ๐Ÿ—ƒ๏ธ Cache and application data: Facebook or Instagram can "swell" to 500 MB-1 GB each.
  • ๐Ÿ“ธ Media files: one photo in 12 MP weighs 3โ€“5 MB, and video in 1080p - up to 100 MB/min.

Recommended minimum for comfortable work:

  • ๐Ÿ“ฑ 16 GB: only for the simplest tasks (calls, WhatsApp, 2-3 applicationsIn this case, you will have to constantly clear the cache and transfer files to the memory card.
  • ๐Ÿ“ฑ 32 GB: optimal for most users (social networks, photos, light games). Remaining 20โ€“25 GB for user data.
  • ๐Ÿ“ฑ 64โ€“128 GB: ideal for gaming, video shooting 4K or storing a large amount of music/movies.
  • ๐Ÿ“ฑ 256 GB+: needed only by enthusiasts or those who shoot video in 8K or works with RAW photos.
โš ๏ธ Attention: Many budget smartphones (for example, Redmi 9A or Samsung Galaxy A02s) have 32 GB of ROM, but only of these are available for user files 20โ€“22 GB due to pre-installed applications and the system. Before purchasing, check the actual free capacity!

If you choose between 32 GB and 64 GB, it is better to overpay for the latter option - the difference in price is usually small (about 1000โ€“1500 โ‚ฝ), and problems with lack of memory will arise after six months of active use.

๐Ÿ’ก

Use apps like Files by Google or SD Maidto find and delete unnecessary files (duplicates, old APKs, cache). This can free up to 2โ€“5 GB space without deleting important ones. data.

How Android 11 manages memory: new features and optimizations

Android 11 has introduced several changes that affect memory consumption:

  1. Limiting background processes: the system more aggressively closes unused applications if the RAM runs out. This reduces lags, but. may cause applications to restart when returning to them.
  2. Memory compression (Memory Compression): The Linux kernel now compresses data in RAM, allowing you to fit more tasks into a limited amount of space. The effect is noticeable on devices with 4โ€“6 GB.
  3. Separate cache storage: the application cache is now stored separately from user data, making it easier to clear without the risk of losing important files.
  4. Optimization for 2 GB RAM: Google has added a special mode low-RAMthat disables some animations and background services on weaker devices.

However, these optimizations are not magic. For example, memory compression increases the load on the processor, which can lead to:

  • ๐Ÿ”ฅ Overheating of the device during prolonged use.
  • ๐Ÿ”‹ Faster battery discharge (by 5โ€“10% per hour of active use).

If your smartphone began to slow down after updating to Android 11, try:

Disable animations in Settings โ†’ System โ†’ For developers โ†’ Animation scale (select "No animation")

Limit background activity in Settings โ†’ Applications โ†’ [Select application] โ†’ Battery โ†’ Background activity

Use "Light mode" (if available in the firmware)

Delete or disable pre-installed applications (bloatware)

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Is it possible to expand the memory on Android 11: memory cards, clouds, USB-OTG

If the built-in memory is not enough, there are several ways to expand it:

1. microSD memory cards

Most budget and mid-budget smartphones support cards microSD with a capacity of up to 1 TB. However, there are nuances:

  • โœ… Pros:
    • ๐Ÿ’ณ Cheap solution (a card for 128 GB costs about 1000 โ‚ฝ).
    • ๐Ÿ“ You can transfer applications (if the firmware supports it) transfer (for example, Adoptable Storage).
  • โŒ Cons:
    • ๐Ÿข Slow read/write speed (even UHS-I loses to built-in memory).
    • ๐Ÿšซ Not all applications can be transferred (for example, WhatsApp or Google Maps often block this function).
    • โš ๏ธ Risk of data loss when removing the card.

2. Cloud storage

Services like Google Drive, Yandex Disk or Dropbox allow you to free up space on the device by transferring photos, videos and documents there. However:

  • ๐Ÿ“ถ A stable Internet is required to access files.
  • ๐Ÿ’ฐ Free volume is limited (15 GB v Google Drive, 10 GB v Yandex Disk).
  • ๐Ÿ”’ Confidential data is stored on third party servers.

3. drives

Using the adapter USB-OTG you can connect a flash drive or external hard drive. This is convenient for:

  • ๐ŸŽฅ Transferring large files (for example, video to 4K).
  • ๐Ÿ“‚ Data backup.
  • ๐ŸŽฎ Game storage (some titles, for example PUBG Mobile, allow you to install resources on an external drive).
โš ๏ธ Attention: On some devices (for example Samsung with firmware One UI) functions Adoptable Storage (combining a memory card with a built-in one) are disabled. Before purchasing a card microSD check whether your smartphone supports this function.

How to check and optimize memory usage on Android 11

To learn how much memory is occupied by applications and system files, go to:

Settings โ†’ Memory

Here you will see a diagram with memory distribution by category:

  • ๐Ÿ“ฑ System: OS and update files.
  • ๐Ÿ“ Applications: installed apps and their data.
  • ๐Ÿ–ผ๏ธ Media files: photos, videos, music.
  • ๐Ÿ—‘๏ธ Cache: temporary files (can be cleared without risk).

To free up space:

  1. Clear the application cache manually or using Google Files.
  2. Delete unused applications (especially games - they can weigh 1โ€“2 GB each).
  3. Transfer photos and videos to the cloud or to a memory card.
  4. Disable automatic downloading of media in instant messengers (WhatsApp, Telegram).

If free space is critically low (1โ€“2 GB), the system will start:

  • ๐Ÿšซ Block the installation of updates.
  • ๐Ÿข Slow down (due to lack of space for temporary files).
  • โš ๏ธ Give errors when shooting videos or photos.
What to do if the memory is running low right now?

1. Delete the cache of all applications through Settings โ†’ Memory โ†’ Cached data.

2. Transfer the heaviest applications (for example, games) to the memory card, if possible.

3. Use the function Smart Storage to Google Filesto automatically delete old screenshots and duplicates.

4. As a last resort, reset the device to factory settings (don't forget to make a backup!).

Android 11 on older smartphones: is it worth upgrading?

If your smartphone was released before 2019 and originally worked on Android 9 or 10, updating to Android 11 can either improve or worsen its performance. Here's what to pay attention to:

  • โœ… Pros of the update:
    • ๐Ÿ”’ New security features (for example, Scoped Storagethat limits application access to files).
    • ๐Ÿ“ฑ Improved permission management (one-time permissions for applications).
    • ๐Ÿ”„ Support for new versions of applications (many apps require Android 11+).
  • โŒ Disadvantages of updating:
    • ๐Ÿข Increased load on the processor and RAM (especially on devices with 2โ€“3 GB).
    • ๐Ÿ”‹ Faster battery drain due to new background services.
    • ๐Ÿšซ Possible incompatibility with some older applications.

Examples of devices that may not work Android 11:

  • ๐Ÿ“ฑ Samsung Galaxy J4+ (2 GB RAM, 16 GB ROM) - after the update it slows down when opening the camera.
  • ๐Ÿ“ฑ Huawei P Smart 2019 (3 GB RAM, 64 GB ROM) - problems with multitasking.
  • ๐Ÿ“ฑ Xiaomi Redmi 6A (2 GB RAM, 16 GB ROM) - not enough space for updates.

If you decide to update, before the procedure:

Make a backup copy of your data (photos, contacts, SMS)

Charge the battery to 100% or connect the charger

Free up at least 3 GB of space on your internal storage

Disable antivirus and other apps that block system changes

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โš ๏ธ Attention: On some devices (for example, Xiaomi or Realme) after updating to Android 11 The partition may be reset /data, which will lead to the loss of user data. Always make a backup!

FAQ: Frequently asked questions about memory in Android 11

Can I install Android? 11 on a smartphone with 1 GB of RAM?

Technically yes, but only through custom firmware like LineageOS with a light version of the system (without Google ServicesOfficially Google does not support devices with 1 GB of RAM starting from Android 10. Even if the installation is successful, the system will be extremely unstable.

Why is there less free memory after updating to Android 11?

This is due to:

  1. Increasing the size of the system partition (new functions take up more space).
  2. Creating A/B partitions for updates (duplicate firmware).
  3. Increasing the application cache (for example, Google Play Services now weighs up to 1 GB).

To regain space, clear the cache via Settings โ†’ Memory โ†’ Cached data.

How to transfer applications to a memory card in Android 11?

Steps:

  1. Open Settings โ†’ Applications.
  2. Select the desired application.
  3. Tap Storage โ†’ Change โ†’ Memory card.

If the option is grayed out, your device does not support Adoptable Storage, or the application has blocked the transfer (for example, WhatsApp).

How much memory does Android 11 consume after installation?

Depends on the manufacturer's shell:

  • Pure Android (for example, Pixel): 3โ€“4 GB.
  • One UI (Samsung): 5โ€“6 GB.
  • MIUI (Xiaomi): 4โ€“5 GB.
  • ColorOS (Oppo/Realme): 4.5โ€“5.5 GB.

Please note that this value grows over time due to updates and cache.

Is it possible to play Genshin Impact on Android 11 with 4 GB of RAM?

Technically yes, but:

  • ๐ŸŽฎ You will have to set the graphics settings to minimum (30 FPS, Low).
  • ๐Ÿ”ฅ The phone will heat up and quickly discharge.
  • ๐Ÿšซ No other applications should be running in the background (for example, Discord or YouTube).

For a comfortable game it is recommended 6 GB of RAM and above.