Samsung Galaxy M31 vs Samsung Galaxy M31s is a comparison between the 2 budget-friendly smartphones with powerful performances.
The Samsung Galaxy M31 and Samsung Galaxy M31s are both solid options for those looking for reliable performance, strong cameras, and the Samsung brand experience. Released within months of each other, these models share many similarities but also differ in certain key areas such as design, camera performance, and fast-charging capabilities.
Refer the table below:-
Feature  |  
                  Samsung Galaxy M31  |  
                  Samsung Galaxy M31s  |  
                 
|---|---|---|
Launched in  |  
                  February 2020  |  
                  July 2020  |  
                 
Operating System  |  
                  Android 10 (upgradable)  |  
                  Android 10 (upgradable)  |  
                 
Processor  |  
                  Exynos 9611  |  
                  Exynos 9611  |  
                 
RAM  |  
                  6 GB / 8 GB  |  
                  6 GB / 8 GB  |  
                 
Storage Options  |  
                  64 GB / 128 GB  |  
                  128 GB  |  
                 
Display Size  |  
                  6.4-inch Super AMOLED  |  
                  6.5-inch Super AMOLED Infinity-O  |  
                 
Refresh Rate  |  
                  60 Hz  |  
                  60 Hz  |  
                 
Battery Capacity  |  
                  6000 mAh  |  
                  6000 mAh  |  
                 
Charging Support  |  
                  15W fast charging  |  
                  25W fast charging  |  
                 
Weight  |  
                  191 grams  |  
                  203 grams  |  
                 
Disclaimer: The specifications mentioned above are based on the information available on the official website. Features may vary depending on model, configuration, and region. For the latest and most accurate details, please visit the official website or consult authorised retailers.
The design and build quality contribute to how the phone feels in hand. Here is a comparison of Samsung Galaxy A54 vs Samsung Galaxy F54 in terms of build.
Aspect  |  
                  Samsung Galaxy M31  |  
                  Samsung Galaxy M31s  |  
                 
|---|---|---|
Back Design  |  
                  Glossy plastic  |  
                  Glastic with gradient finish  |  
                 
Front Camera Cut  |  
                  U-shaped notch  |  
                  Punch-hole (Infinity-O)  |  
                 
Dimensions (mm)  |  
                  159.2 x 75.1 x 8.9  |  
                  159.3 x 74.4 x 9.3  |  
                 
Weight  |  
                  191 grams  |  
                  203 grams  |  
                 
Build Material  |  
                  Polycarbonate  |  
                  Polycarbonate  |  
                 
Both phones come with quad-camera setups, but the Galaxy M31s features an improved sensor and camera software optimisation.
Camera Feature  |  
                  Samsung Galaxy M31  |  
                  Samsung Galaxy M31s  |  
                 
|---|---|---|
Rear Camera Setup  |  
                  Quad: 64 MP + 8 MP + 5 MP + 5 MP  |  
                  Quad: 64 MP Sony IMX682 + 12 MP + 5 MP + 5 MP  |  
                 
Front Camera  |  
                  32 MP  |  
                  32 MP  |  
                 
OIS  |  
                  Yes  |  
                  Yes  |  
                 
Video Recording  |  
                  4K at 30fps  |  
                  4K at 30fps  |  
                 
Camera Features  |  
                  Live Focus, Night Mode, Super Steady  |  
                  Single Take, Night Mode, Super Steady  |  
                 
The core hardware is mostly identical, but the M31s benefits from faster charging and slightly more efficient software tuning.
Feature  |  
                  Samsung Galaxy M31  |  
                  Samsung Galaxy M31s  |  
                 
|---|---|---|
Chipset  |  
                  Exynos 9611  |  
                  Exynos 9611  |  
                 
GPU  |  
                  Mali-G72 MP3  |  
                  Mali-G72 MP3  |  
                 
RAM  |  
                  6 GB / 8 GB  |  
                  6 GB / 8 GB  |  
                 
Battery Capacity  |  
                  6000 mAh  |  
                  6000 mAh  |  
                 
Charging Speed  |  
                  15W fast charging  |  
                  25W fast charging  |  
                 
USB Type  |  
                  Type-C  |  
                  Type-C  |  
                 
Software experience is largely the same, though Samsung Galaxy M31s introduces some enhanced camera modes and One UI improvements.
Software/Features  |  
                  Samsung Galaxy M31  |  
                  Samsung Galaxy M31s  |  
                 
|---|---|---|
Operating System  |  
                  Android 10 (upgradable)  |  
                  Android 10 (upgradable)  |  
                 
UI Version  |  
                  One UI 2.1  |  
                  One UI 2.1  |  
                 
Biometric Security  |  
                  Rear-mounted fingerprint  |  
                  Side-mounted fingerprint  |  
                 
Face Unlock  |  
                  Yes  |  
                  Yes  |  
                 
Other Features  |  
                  Dark Mode, Digital Wellbeing  |  
                  Single Take, Glance Lock Screen  |  
                 
Here is an approximate pricing overview based on available online listings in India.
Model  |  
                  Starting Price (INR)  |  
                 
|---|---|
Samsung Galaxy M31  |  
                  ₹13,499  |  
                 
Samsung Galaxy M31s  |  
                  ₹15,499  |  
                 
Disclaimer: Prices are approximate and may vary based on configuration, region, and special offers. Please check the official website for the most up-to-date pricing.
You are on a tighter budget and want similar performance.
 
You are okay with a traditional U-notch display.
 
You don’t mind 15W charging speed.
 
You prefer modern design with a punch-hole display.
 
You want faster charging and enhanced camera features.
 
You are interested in software features like Single Take mode.
 
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The M31s features a modern design with a punch-hole display, faster charging, and an improved camera sensor compared to the M31.
No, the M31 is priced lower. However, the M31s offers added value in design and charging speed.
Both offer similar battery life, but the M31s charges faster due to its 25W support.
Both have AMOLED panels, but the M31s has a slightly larger display and a punch-hole camera for a modern look.
No, the M31s has more advanced features such as Single Take mode and side-mounted fingerprint sensor.
If you already own the M31s, upgrading to M31 would not be beneficial. But if you own an M31 and want faster charging or newer design, M31s could be a good choice.