What processor is installed in Xiaomi Redmi 4X: a full analysis of performance

The question of which processor in Xiaomi Redmi 4X is often raised by users planning to buy a budget device in the secondary market, or by owners who want to understand the capabilities of their gadget. This smartphone, which was released in 2017, was a real hit thanks to the successful combination of a metal case, a compact screen and, most importantly, an energy-efficient filling.

At the heart of the device is a chipset from Qualcomm, which at the time of release was considered the optimal solution for the mid-size segment. Many users still use this device as a second phone or as a reliable โ€œbell ringerโ€ with basic functionality, so understanding the hardware platform remains relevant.

โš ๏ธ Note: When buying a redmi 4X Make sure to check the authenticity of the processor through benchmarks, as there are many copies on the market with Chinese cloned MediaTek chips.

Technical characteristics of the Qualcomm platform

To answer the main question, which processor in Xiaomi Redmi 4X, it is worth mentioning the exact model โ€” Qualcomm Snapdragon 435 (model MSM8953) โ€” it is an eight-core chip made by 28-nanometer process technology. Despite the fact that today there are more advanced standards, it is the process that has allowed to create a very cold and economical product that rarely overheats even with prolonged load.

The core architecture is based on the ARM Cortex-A53. All eight cores operate at a maximum frequency of 1.4 GHz. This configuration is called big.LITTLE, but in this case all cores are the same, which simplifies the distribution of tasks by the Android operating system. The lack of powerful energy-consuming cores allows the smartphone to work from one charge to two days in mixed use.

An important part of the system is the Adreno 505 graphics accelerator, which is responsible for rendering the interface and processing graphics in games. Although its performance is considered to be initial today, it is great at playing video in Full HD resolution and supports modern APIs such as OpenGL ES 3.1 and OpenCL. This is critical for the correct operation of many applications.

  • ๐Ÿ“ฑ Model: Qualcomm Snapdragon 435 (MSM8953)
  • โš™๏ธ Process technology: 28 nm LP (Low Power)
  • ๐Ÿš€ Frequency: up to 1.4 GHz (8 cores)
  • ๐ŸŽฎ Graphics: Adreno 505 (up to 450 MHz)
๐Ÿ“Š How important is the type of processor for you when choosing a used smartphone?
I only care about the price.
We need a powerful chip for games.
Energy efficiency and battery are important
I only pick by brand.

Architecture and Impact on Autonomy

The main feature of the Snapdragon 435 installed in the Xiaomi Redmi 4X is its phenomenal energy efficiency. While competitors were chasing high frequencies, Qualcomm engineers were betting on optimization. This means that the smartphone does not require a complex and expensive cooling system, and the battery capacity of 4100 mAh is consumed extremely slowly.

MIUI, which is based on Android, is able to correctly distribute tasks among the cores. Easy processes, such as waiting for a call or listening to music, are performed at the minimum frequencies, using the minimum amount of resources. When you open a heavy application, all 8 cores come into operation, but their frequency is limited to 1.4 GHz, which prevents sharp jumps in power consumption.

For users looking for a device to navigate or work in the field, this is ideal. Thermal generation is minimal, so the phone can be used even in summer under direct sunlight without the risk of burns or trottling (decreased performance due to overheating).

๐Ÿ’ก

For maximum autonomy on Redmi 4X, turn off animations in the โ€œDevelopersโ€ menu โ€“ this will reduce the load on the Adreno 505 GPU.

Performance in games and applications

Consider Xiaomi Redmi 4X As a gaming device in 2026, you have to be realistic.The Snapdragon 435 processor is not designed for heavy-duty applications. 3D-But he's great at casual, three-in-a-row games, strategies and games. 2D-And there's still a margin of productivity in these kinds of tasks.

Popular online shooters like PUBG Mobile or Call of Duty Mobile will only run on minimal graphics settings.Frame rate can fluctuate, creating discomfort when playing active.The Adreno 505 graphics chip simply doesn't have time to handle complex textures and shadows in high resolution, so visual quality will be low.

In everyday tasks, the situation is different. Social networks, messengers, navigators and video services are stable. Application latency can be observed, but it is not critical. RAM, paired with a processor, often becomes a bottleneck than the CPU itself, especially in versions of 2 or 3 GB.

โš ๏ธ Warning: Donโ€™t try to install high-graphics mods on heavy games โ€“ the Snapdragon 435 processor may not be able to withstand the load, which will lead to a system freeze.

Comparison with competitors and analogues

To understand the Redmi 4Xโ€™s place in the history of mobile technology, itโ€™s useful to compare its processor to rivals of the time and newer models.The main rival was the MediaTek Helio P10, which was often inferior in stability and driver support.

Modern low-end processors, such as the new generation Snapdragon 4xx series or the MediaTek Helio G, offer 2-3 times more performance. However, they often require more capacious batteries or faster charging as they consume more power. In this context, the good old 435 looks like a benchmark for savings.

Below is a table showing a rough comparison of scores in synthetic tests (AnTuTu Benchmark) so you can estimate the generation gap:

ProcessorYear of releaseTechniqueAnTuTu scores (roughly)
Snapdragon 435 (Redmi 4X)201628 nm45 000
MediaTek Helio P10201528 nm43 000
Snapdragon 625201614nm60 000
Snapdragon 450201714nm55 000

๐Ÿ’ก

The Snapdragon 435 in the Redmi 4X is inferior to the newer Snapdragon 625 by about 25-30% of performance, but wins in the price of the device in the secondary market.

The impact of the processor on the work of the camera and multimedia

The quality of photos and videos depends on the ability of the processor to process signals from the matrix. In Xiaomi Redmi 4X, ISP (Image Signal Processor), built into the Snapdragon 435, is responsible for this. It supports cameras up to 21 MP and dual cameras up to 13+13 MP, which meets the specifications of the device (13 MP main camera).

Video is limited to 1080p at 30 frames per second. The processor does not support 4K recording, and trying to activate such resolution with software methods is impossible due to the physical limitations of the chip. But the playback of H.264 and H.265 video formats (HEVC) is smooth, which makes the smartphone a good portable media console.

Sound is also processed by the main chip, which supports high-resolution audio output, but the sound quality depends more on the implementation of the audio track by Xiaomi engineers, but the CPU is enough to handle noise cancellation during conversation and work with the voice assistant.

  • ๐Ÿ“ธ Camera support: up to 21 MP (single)
  • ๐ŸŽฅ Video: Recording Full HD (1080p) @ 30 fps
  • ๐Ÿ“บ Screen: Support for permission up to 1920x1200 pixel
  • ๐Ÿ“ถ modem: LTE Cat.4 (up to 150 Mbps)

Should I buy a Redmi 4X in 2026?

Buying a Xiaomi Redmi 4X today only makes sense in very specific scenarios.Whether you need a phone for a child to call parents, or a device for older people with large icons and a simple interface is a great choice.The Snapdragon 435 processor still pulls the basic Android functionality without lags.

It's also popular among enthusiasts as a platform for experimentation, and with an unlocked bootloader and community support, it can be powered by lightweight versions of Android (Custom ROM) that run even faster than stock firmware, extending the life of the device by several years.

But itโ€™s not enough to be used as a mainstream smartphone in 2026, and many modern apps require more resources and new versions of Android that donโ€™t officially come to the processor. Official support for Android updates for the Snapdragon 435 in Redmi 4X has stopped at Android 7.1 Nougat (MIUI 10/11).

The Secrets of Acceleration Redmi 4X
Turn on Performance mode in the battery menu, turn off MIUI Optimization in the developer menu, and use launchers like Nova Launcher to reduce the load on the processor.

Frequently Asked Questions (FAQ)

Can I overclock the processor on the Redmi 4X?
Theoretically, with the Root rights and the custom core, you can raise the frequency. But the Snapdragon 435 already works near its limits, and overclocking will only lead to a rapid discharge of the battery and possible overheating without a noticeable increase in speed.
Why does the phone warm up when the processor is considered cold?
The Snapdragon 435 chip itself is cold.Heating can cause an old battery, poor plume contact, background viruses, or the use of a heavy version of MIUI. Check which apps are consuming resources in the background.
Does the processor support 4G LTE?
Yes, the built-in X6 LTE modem supports all major 4G frequencies, delivering downloads up to 150 Mbps. This is one of the advantages of the Qualcomm platform compared to some MediaTek counterparts of the time.
What is the maximum version of Android available for this processor?
Officially, support ended on Android 7.1 Nougat, but there are unofficial Android 10 and even 11 ports from the developer community that are stable enough for everyday tasks.
Does the processor affect the charging speed?
The charging controller is integrated into the platform. Redmi 4X supports fast charging Qualcomm Quick Charge 3.0, but only in the version with 3 GB of RAM. In the 2 GB version, this feature is often stripped down software or hardware.