Xiaomi Redmi 12: How many gigabytes in each version of the smartphone?

Xiaomi Redmi 12 is one of the most popular budget smartphones of 2023-2026, which offers excellent price-performance ratio. But when choosing a model, many users are faced with the question: how much GB of memory in a particular version? The amount of RAM (RAM) and ROM (built-in storage) depends on how comfortable it will work with the phone – to run games, store photos, install applications.

In this article, we’ll take all the official Redmi 12 versions by memory, explain how to choose the right configuration for your tasks, and show you how to check the actual memory capacity on your device, and learn whether you can expand memory with a microSD card and what nuances to consider when buying.

Official versions of Xiaomi Redmi 12 by memory

Xiaomi Redmi 12 comes in three main configurations, which differ in the combination of RAM (RAM) and ROM (ROM).

📱 4/128 GB - the basic version of the 4 GB of RAM and 128 GB of built-in storage.
📱 8/128 GB - improved configuration with 8 GB RAM and the same ROM volume (128 GB).
📱 8/256 GB - top version of the C 8 GB of RAM and 256 GB.

It is important to understand that the actual ROM available will be smaller than the stated ROM, which is part of the memory used by the MIUI operating system and pre-installed applications, for example, in version 8/256 GB, the user can access about 230-235 GB.

It is also worth noting that in some regions (for example, in India) sold modification Redmi 12 5G with other characteristics, but in Russia and Europe officially presented only Redmi 12 4G with the above configurations.

📊 Which version of Redmi 12 would you choose?

4/128 GB (enough for social networks)

8/128 GB (optimal balance)

8/256 GB (maximum memory)

I haven't decided yet.

Which memory should you choose: 4/128, 8/128 or 8/256 GB?

The configuration depends on your tasks, and let's see who each version is for:

Configuration	Who's right for?	Pluses	Cons
4/128 GB	Users who use their phones for calls, social networks, and lightweight apps.	✅ Lowest price ever.✅ Enough for basic tasks	❌ Little RAM for Multitasking❌ Maybe he's slowing down games.
8/128 GB	The best choice for most: games, photos, videos, multitasking.	✅ Enough RAM for modern tasks✅ Price/quality	❌ 128 GB ROM can fill up quickly if you shoot a lot of video
8/256 GB	For those who store a lot of files, play heavy games, edit video.	✅ Maximum memory✅ You don't have to clean your phone.	❌ Highest price ever.❌ Excessively if you don’t use the entire amount

Tip: If you shoot video in 4K or install a lot of games (eg, Genshin Impact, Call of Duty Mobile), it is better to immediately take the version 8/256 GB. If the budget is limited, 8/128 GB is the gold standard for most users.

⚠️ Attention: Version 4/128 GB may start to slow down after a year of use if you actively install apps. MIUI It gets inflated over time, and 4 GB RAM is becoming insufficient.

How to check the real memory capacity of Xiaomi Redmi 12

To find out how much memory is installed in your Redmi 12, follow the following steps:

Open the Settings app (cog icon).
Go to the About Phone section.
Select Device Characteristics or Memory (depending on the MIUI version).
Here you will see information about the total volume of ROM and available space, as well as data on RAM.

Alternatively, through the Memory menu:

Go to Settings → Memory.
At the top of the screen will be shown the total volume and free space.
To see the details on RAM, click on Use of RAM.

☑️ Memory check on Redmi 12

Open SettingsGo to About the Phone.Select "Device Characteristics"See the "Memory" section.

Done: 0 / 4

If you buy a phone with your hands, be sure to check the real amount of memory in these ways – sometimes sellers indicate incorrect specs.

Can I expand memory in Redmi 12 with a microSD card?

Xiaomi Redmi 12 supports microSD cards up to 1 TB (theoretically), but there are a few important nuances:

🔄 Memory card does not increase the amount of RAM - only ROM.
📁 Not all applications can be migrated to microSD – many games and system programs only run from internal memory.
⚡ The speed of work with a memory card is lower than with an integrated drive (especially if the class card is used). UHS-I U1 instead U3).
📱 Redmi 12 has a hybrid slot, you can use either of two. SIM-card SIM + microSD.

If you plan to use a memory card, we recommend buying A2 or UHS-I U3 models (such as SanDisk Extreme or Samsung EVO Plus) that provide faster read/write speeds, which is important for recording 4K video or running applications.

⚠️ Note: Using microSD as the primary storage for applications (Adoptable Storage in Android) may slow down your phone, and it is better to store only media files (photos, videos, music) on the map).

Redmi 12 compared to other Xiaomi models by memory

For clarity, compare Redmi 12 with other popular Xiaomi smartphones in a similar price segment:

Model	Minimum configuration	Maximum configuration	Support for microSD support
Redmi 12	4/128 GB	8/256 GB	Yes (up to 1TB)
Redmi Note 12	4/128 GB	8/256 GB	Yes (up to 1TB)
POCO X5	6/128 GB	8/256 GB	Yes (up to 1TB)
Redmi 10 (predecessor)	4/64 GB	6/128 GB	Yes (up to 512GB)

As you can see from the table, Redmi 12 offers more modern configurations compared to Redmi 10, but is inferior to some models (for example, POCO X5) in terms of minimum RAM (6 GB vs. 4 GB).

If you want maximum performance in the budget segment, it is worth looking at the POCO X5 or Redmi Note 12 Pro, where even the basic version comes with 6-8 GB of RAM.

Frequent questions about memory in Xiaomi Redmi 12

Let’s discuss the most popular questions of users:

Can I increase the RAM in Redmi 12?

No, the RAM in smartphones is soldered to the motherboard and cannot be replaced or expanded. The only way to increase RAM is to use the RAM Expansion feature in MIUI, which reserves a portion of RAM for virtual RAM, but it doesn't have the same effect as real gigabytes of RAM.

How much memory does MIUI have on Redmi 12?

The MIUI operating system, along with pre-installed applications, takes about 12-15 GB depending on the version. For example, in an 8/256 GB configuration, the user is available ~230 GB, and in 4/128 GB - about 110-115 GB.

Can I transfer applications to a memory card?

Yes, but not all. Most games and system applications (like Google Play Services) don't support microSD porting. To try: Open Settings → Apps. Select the app you want. Click Storage → Change → Memory Map (if the option is active). Note that migrated applications may be slower.

How to clean up your memory on Redmi 12?

To make room: 🗑️ Remove unnecessary applications in Settings → Annexes. 📸 Move photos and videos to the cloud (Google Photos, Mi Cloud) or to PC. 🧹 Use the built-in Cleanup utility in Settings → Memory. 🔍 Check the Downloads folder – unnecessary files often accumulate there.

Which memory card is better for Redmi 12?

The following models are recommended: SanDisk Extreme A2 (128-512 GB) – high speed for applications and video. Samsung EVO Plus U3 (256 GB) – reliability and good performance. Kingston Canvas Go! Plus (128 GB) – budget option with a class A2. Avoid cheap cards without A1/A2 or U3 marking – they can slow down when recording video.

Which version of Redmi 12 should you choose from memory?

So let's summarize:

💡

For most users, the best choice is 8/128 GB. This option provides sufficient multitasking and space for applications at a reasonable price.

If you:

📱 Use your phone for social media, calls and easy games → 4/128 GB (but be prepared for possible brakes over time).
🎮 Play modern games, shoot videos, store a lot of photos → 8/256 GB.
💰 Looking for a price/quality balance → 8/128 GB + microSD card 128–256 GB.

Remember, RAM can't be expanded, and ROM can be augmented with a memory card, but not all applications will work with it quickly. If the budget allows, you'd better take the memory-saving version right away.

💡

Check which version of Redmi 12 is on sale before buying – in some countries, Redmi 12 5G with different specs may be sold under the same name.