Xiaomi Redmi Note 9 Pro 5G vs Samsung Galaxy A31 – Review, specifications and prices

The new Xiaomi Redmi Note 9 Pro 5G device has a 4 camera setup with a main lens of 108 MP, Qualcomm Snapdragon 750G processor chipset and a battery of 4820 mAh. On other side, the Samsung Galaxy A31 also has awesome features. The comparison for both models with new specs are detailed next.

Xiaomi

Specifications

Feature Xiaomi Redmi Note 9 Pro 5G Samsung Galaxy A31
Phones specifications
Screen Display 6.67 in (inches) 6.4 in (inches)
Processor Qualcomm Snapdragon 750G MediaTek Helio P65
Operating System MIUI V12 (Android 10) MIUI V12 (Android 10)
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
RAM 6 GB (gigabytes) or 8 GB (gigabytes) 4 GB (gigabytes) or 6 GB (gigabytes)
Storage 128 GB (gigabytes),256 GB (gigabytes) 64 GB (gigabytes),128 GB (gigabytes)
Camera 108/8/2/2 MP 48/8/5/5 MP
Front Camera 16 MP 20 MP
Battery 4820 mAh 5000 mAh

Processor and Operating System

The Xiaomi Redmi Note 9 Pro 5G runs on Qualcomm Snapdragon 750G chipset and the processor has a total of 8 cores composed by 2 cores of 2.2 GHz ARM Cortex-A77 and 6 cores of 1.85 GHz ARM Cortex-A55. It has a maximum CPU frequency of 2200 MHz (megahertz). Some other special features include 64 bit architecture,Three-dimensional liquid cooling and 11 temperature sensors. Running on MIUI V12 (Android 10) operating system.

The Qualcomm Snapdragon 750G is a better chipset processor than the MediaTek Helio P65.

Meanwhile, the Samsung Galaxy A31 has a MediaTek Helio P65, the second processor has a total of 8 cores composed by 2 cores of 2.0 GHz Cortex-A75 and 6 cores of 1.7 GHz Cortex-A55. It has a maximum CPU frequency of 2000 MHz (megahertz). Some other special features include 64 bit architecture. And it’s running on MIUI V12 (Android 10) OS system.

Graphics Processor (GPU)

The Xiaomi Redmi Note 9 Pro 5G is carrying a Qualcomm Adreno 619 gpu in the interior and the Samsung Galaxy A31 has the ARM Mali-G52 graphics processor.

Battery

The Xiaomi Redmi Note 9 Pro 5G battery capacity is 4820 mAh which is a 3.7% (percent) less powerful than the 5000 mAh offered by the Samsung Galaxy A31. Some features include Fast charging and Non-removable.
The Samsung Galaxy A31 battery include Fast charging and Non-removable.

Screen

The smartphone is using a IPS display with 1080 x 2400 pixels and a screen size of 6.67 in (inches).

Meanwhile the Samsung Galaxy A31 is featuring a Super AMOLED display with 1080 x 2400 pixels and a screen size of 6.4 in (inches).

As we can see here, the Xiaomi Redmi Note 9 Pro 5G is a 4.2% bigger than Samsung Galaxy A31 screen.
The main display features of both phones are detailed next:

Xiaomi Redmi Note 9 Pro 5G Samsung Galaxy A31
120 Hz refresh rate 2.5D curved glass screen
2.5D curved glass screen Capacitive
240 Hz touch sampling rate Infinity-U Display
450 cd/m² Multi-touch
Capacitive Scratch resistant
Corning Gorilla Glass 5
Scratch resistant
TÜV Rheinland Low Blue Light Certification

RAM Memory and storage

On the memory hardware side, the Xiaomi Redmi Note 9 Pro 5G is carrying a ram memory of 6 GB (gigabytes) or 8 GB (gigabytes) with some features like 1866 MHz (megahertz), LPDDR4X and Double channel.

The Samsung Galaxy A31 is coming with a 4 GB (gigabytes) or 6 GB (gigabytes) and it has some features like LPDDR4X and Double channel.
In the basic edition, the Xiaomi Redmi Note 9 Pro 5G gives a 50% more ram memory capacity than Samsung Galaxy A31.

The maximum capacity offered by the Xiaomi Redmi Note 9 Pro 5G is 8 gigabytes ,which is a 33.33% bigger than the Samsung Galaxy A31 with 6 gigabytes.

How much built-in storage space you can get for apps and saving photos, files and video? The Xiaomi Redmi Note 9 Pro 5G comes with or 128 GB (gigabytes) or 256 GB (gigabytes). In the basic edition, the Xiaomi Redmi Note 9 Pro 5G gives a 100% more storage memory capacity than Samsung Galaxy A31.

The max storage capacity offered by the Xiaomi Redmi Note 9 Pro 5G is 256 gigabytes ,which is a 100% more than the Samsung Galaxy A31 with 128 gigabytes.

Samsung Galaxy A31 gets you or 64 GB (gigabytes) or 128 GB (gigabytes) of internal storage.

Rear Camera

The Xiaomi Redmi Note 9 Pro 5G rear camera setup is composed by 4 lenses of 108/8/2/2 MP , the flash type is Dual LED , a pixel size of 0.7 µm (micrometers) and aperture lens of f/1.8 f/2.2 f/2.4 f/2.4 respectively.

Xiaomi

Meanwhile the Samsung Galaxy A31 rear camera comes with 4 lenses of 48/8/5/5 MP , the flash type is LED , a pixel size of 0.8 µm (micrometers) and aperture lens of f/2.0 f/2.2 f/2.4 f/2.4 respectively.

Xiaomi Redmi Note 9 Pro 5G Samsung Galaxy A31
1080p @ 60 fps Aperture size – f/2.2 (#2)
Angle of view – 120° (#2) Aperture size – f/2.4 (#3)
Aperture size – f/2.2 (#2) Aperture size – f/2.4 (#4)
Aperture size – f/2.4 (#3) Autofocus
Aperture size – f/2.4 (#4) Continuous shooting
Autofocus Digital zoom
Cinematic Filters Exposure compensation
Digital image stabilization Face detection
Digital zoom Fourth rear camera – 5 MP (macro)
Exposure compensation Geotagging
Face detection HDR
Fourth rear camera – 2 MP (depth-sensing) ISO settings
Geotagging Panorama
HDR Scene mode
ISO settings Secondary rear camera – 8 MP (ultra-wide)
Macro mode Self-timer
Movie Frame Third rear camera – 5 MP (depth-sensing)
Panorama Touch focus
Phase detection autofocus (PDAF) White balance settings
Photo Movie
Pixel size – 1.75 m (#3)
Pixel size – 1.75 m (#4)
Pixel size – 2.1 m (9-in-1 pixel binning)
Scene mode
Secondary rear camera – 8 MP (ultra-wide-angle)
Self-timer
Super Night View 2.0
Third rear camera – 2 MP (macro)
Touch focus
Video Tag
White balance settings

Front Camera – Selfie

The Xiaomi Redmi Note 9 Pro 5G comes with a 16 MP in the front.

The Samsung Galaxy A31 has a 20 MP as a main front-camera.

Some other front camera features are detailed next:

Xiaomi Redmi Note 9 Pro 5G Samsung Galaxy A31
16 MP 20 MP
Aperture:f/2.0 Aperture:f/2.2
Digital image stabilization Biometric recognition
Face detection HDR
Face unlock
HDR

Data network and speed connectivity/bandwidth

The mobile networks technologies improve the communication between devices, connectivity speed and files download/upload bandwidth depending of the place.

Xiaomi Redmi Note 9 Pro 5G Samsung Galaxy A31
5G NSA EDGE
5G SA GPRS
Built-in 5G modem HSPA+(5.76/ 42 Mbit/s)
EDGE LTE Cat 10(102.0/452.2 Mbit/s)
EV-DO Rev. A(1.8/3.1 Mbit/s) UMTS(384 kbit/s)
GPRS
HSPA+
LTE
TD-
TD-SCDMA
UMTS(384 kbit/s)

Price

The Xiaomi Redmi Note 9 Pro 5G price is $300 and the Samsung Galaxy A31 price tag is $200

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