Recently, Samsung has introduced an updated version of the popular M31 phone with the M31S name. Samsung has tried to support the M-Series and A-Series from low-end to mid-range phones, which is Samsung M31S is a new attempt to compete in the low-end phone market. With the production of the A-series and M series, Samsung has tried to increase customer choice with different models in low-end phones.
Today we want to compare the two recently introduced M31S models with the A31 at Euvotx.

samsung-a31-buyYou can buy all versions of the Galaxy A31 from this link from Aliaxpress

display

One of the great things about Samsung phones is the use of Super AMOLED screens in both the A31 and M31S, which has improved the experience of low-end phones. The M31S uses a 6.5-inch AMOLED display that is 0.1 inches larger than the 6.4-inch A31, but the M31S also uses a Gorilla Glass 3 screen tech and  Both phones have a 20: 9 aspect ratio.

Designing

a31-front-design
a31 front design
In the design section of these two Samsung phones, we see the relatively old design of the 2019 A31, which has a larger margin than the M31, and the selfie camera of the A31 is at the top of the screen in the form of a drop. But on the other hand, the M31S uses a more up-to-date design and has a selfie camera on the front of the screen at the top of the screen.
m31s-front-design
m31s front design
On the back of the design of these two phones, we see a very simple design similar to each other, and each phone is at the top left of the quad-camera with the flash, and at the bottom of the phone is only the Samsung logo. The A31 fingerprint sensor is located below the screen of this phone, and the M31S fingerprint is located next to the phone.

Camera

Both phones use five cameras to take pictures. Four of the five cameras are on the back of both phones and one camera is on the front of the M31S and A31.
Cameras used in Samsung  A31 include:

48 MP, f / 2.0, 26mm (wide), 1 / 2.0 “, 0.8m, PDAF
8 MP, f / 2.2, 123˚, (ultrawide), 1 / 4.0 “, 1.12µm
5 MP, f / 2.4, (macro)
5 MP, f / 2.4, (depth) 

a31-cameras
Samsung a31 camera
On the other hand Samsung  M31S of four cameras including:
64 MP, f / 1.8, 26mm (wide), 1 / 1.72 “, 0.8µm, PDAF
12 MP, f / 2.2, 123˚ (ultrawide)
5 MP, f / 2.4, (macro)
5 MP, f / 2.4, (depth)
In general, the M31S has better cameras in terms of details, and each low-end phone has tried to cover different photography needs with multiple cameras. Also, in video recording, the M31S has the ability to record videos up to 4K 30fps and uses the gyro-EIS feature, and the A31 has the ability to record videos up to 1080p.
The front camera of the A31 is a camera with 20 MP, f / 2.2, (wide) specifications, and the M31S One is with the specifications of ,f / 2.0, 26mm (wide), 1 / 2.8 “, 0.8µm. Also in the M31S, like the rear camera, the camera The front has the ability to shoot up to 4K.

hardware

In terms of hardware, there are huge differences between the A31 and the M31S.
A31 uses a Mediatek MT6768 Helio P65 (12nm) processor with Octa-core specifications (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55) along with Mali-G52 MC2 graphics processor. But the M31S uses its own Exynos 9611 (10nm) Octa-core processor (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53) along with the Mali-G72 MP3 GPU, which is faster than the A31 GPU. According to the benchmark tests of the Exynos 9611 (10nm) processor, the Samsung processor beats the MediaTek processor.

 

Also, you can read in Euvotx: Comparison of Asus ROG Phone 3 with Lenovo Legion Pro.
Also, in the best model of A31 phone, it uses 128GB storage,6GB RAM, and M31S use 128GB storage, 8GB RAM, which has more than 2 GB of RAM installed in A31 and offers better multitasking capability to the user in M31S.

connections:       A31                                                  M31S

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
Yes (market/region dependent)
Yes (market/region dependent)
Infrared port
No
No
Radio
FM radio, RDS, recording
FM radio, RDS, recording
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector, USB On-The-Go
In this section, both phones use exactly the same specifications for connections.
In terms of battery and charging,  M31S phones with a 6000 mAh battery have a 25W fast-charging capability that performs much better than the A31. The A31 is a 5000 mAh battery with 15W fast charge capability, which is very good, but the M31S with better performance and technology has better performance in the battery section, and the 6000 mAh M31S battery is a very large battery that fully corresponds to a day of full performance.
a31-battery
Samsung a31 battery
Also, you can read in Euvotx: Oppo Reno 4 Pro was introduced.

In the last word

In general, it can be seen that the Samsung M31S is an improved version of the Samsung A31. The A31 is a very good phone, but it has performed worse than the Xiaomi and Huawei phones, and Samsung has tried to solve the Samsung A31 problems with the M31S, making things harder for Xiaomi and Huawei, and trying to Keep the competition of low-end phones. M31S with improved CPU and GPU performance. The camera and battery, as well as the more up-to-date design of the phone, are better than the A31 and can handle everyday needs and light work well.
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