Galaxy M31 and Galaxy M31s: Which Is Better?

Key Specs

PropertiesGalaxy M31Galaxy M31s
PerformanceSamsung Exynos 9 Octa 9611Samsung Exynos 9 Octa 9611
Display6.4 inches sAMOLED FHD+ Display6.5 inches (16.40 cm) sAMOLED FHD+ Display
Rear Camera64 MP + 8 MP + 5 MP + 5 MP64 MP + 12 MP + 5 MP + 5 MP
Front Camera32 MP32 MP

Battery6000 mAh6000 mAh
Storage64/128 GB, Expandable upto 512 GB128 GB, Expandable upto 512 GB
Ram6 GB/ 8 GB6 GB/ 8 GB
Price in India17499/ 2049919499/ 21499

The Samsung Galaxy M31s has been launched with a starting price of Rs. 19,499 for the 6GB RAM variant. The 8GB RAM option has a price of Rs. 21,499. Both the variants Come with 128GB of storage. The smartphone comes in Mirage Black and Mirage Blue colours.

The Galaxy M31 was launched at a price of Rs. 15,999 for the 64GB storage option, and Rs. 16,999 for the 128GB storage model. Including GST, the base 6GB RAM + 64GB storage variant can be purchased for Rs. 17,499, the 6GB RAM + 128GB storage model comes at price of Rs. 18,499 and the top 8GB RAM + 128GB storage variant has a price tag of Rs. 20,499.

Galaxy M31s is characterized by new features like Single Take and Reversible charging which makes it different from Galaxy M31. The Galaxy M31s has a dashing design with a gradient touch and looks more attractive than Galaxy M31. Both the phones are characterized by awesome battery backup of 6000mAH.

Both the smartphones have super AMOLED display which is perfect for watching movies, editing videos and reading epapers. The display is bright, colourful and perfect for watching HDR videos. That’s typical of a Samsung AMOLED display. Flip the phone, and you will notice the rectangular camera bump on the top left. This setup is similar to that of the Galaxy S series. On the left side there’s the SIM tray, while on the right, there’s a power button and volume rocker. On the right side, there is a side-mounted finger print sensor which is absent in Galaxy M31. On the bottom, there’s a USB-C port, a speaker and a headphone jack. The fingerprint sensor is present at the back of the phone and gives super quick response.

Both the smartphones have back panel made of poly carbonate plastic which is durable and won’t take scratches that easily. Smartphones with glass build in the backside are more vulnerable to break on fall. The build quality is solid, though there is no waterproof rating. You can get the Galaxy M31s in Space Black and Ocean Blue colour options and the Galaxy M31 is available in Ocean Blue and Space Black colour options.

About the Battery

 Samsung has introduced the new feature of Reversible charging in M31s which cannot be seen in any of the other M series smart phones. So Galaxy M31s can be used as a powerbank. Both the phones are powered by a 6,000mAh battery that can easily get you through two days. The galaxy M31s comes with a 25W fast charger and USB Type-C to USB Type-C cable. The 25W bundled fast charger fully charges the smartphone in just 97 mins. The Galaxy M31 comes with a 15W bundled fast charger. So Samsung has brought significant improvement in the charging speed in Galaxy M31s.

What’s striking about the Cameras

The main highlight of the camera in Samsung M31s is Single Take. The “Single Take” feature harnesses AI to capture different versions of the same moment. With “Single Take“, all the user has to do is press record at the right moment and Galaxy M31s will capture the footage, up to 10 seconds of it, and then use AI to produce up to 10 different outputs – seven photos and three videos. The ‘Single Take’ feature is available on both the rear and front cameras. This feature will come handy while recording special and memorable moments like birthday parties. This feature is not available in Galaxy M31.

Another great useful new feature that Samsung has introduced in Galaxy M31s is the feature of switching between rear and front cameras which recording videos which is great and highly beneficial, so the user need not pause while taking videos to switch cameras.

Both the Smartphones have quad rear cameras for photography and 4K video capturing. Samsung has replaced the samsung ISOCELL primary sensor with primary Sony IMX682 sensory on the main rear camera. Moreover, Galaxy M31s has a 12 MP Ultra-Wide Angle Camera whereas Galaxy M31 has a 8 MP Ultra-Wide Angle Camera.

Both the smartphones have video capability with 4K recording and they supports slow-mo, Hyperlapse and super-steady modes. In addition, they also have night mode for awesome low light photography. The 32MP front camera also supports 4K video recording and slow-mo selfies.

General features

PropertiesGalaxy M31Galaxy M31s
Operating SystemAndroid v10 (Q)Android v10 (Q)
Quick ChargingYes, Yes, Fully charged in 97 mins
ModelGalaxy M31Galaxy M31s
Sim SlotsDual SIM, GSM+GSM, Dual VoLTEDual SIM, GSM+GSM, Dual VoLTE
Custom UiSamsung One UISamsung One UI
Rear Camera set-upQuad Camera set-upQuad Camera set-up
Sim SizeSIM1: Nano, SIM2: NanoSIM1: Nano, SIM2: Nano
Network4G: Available (supports Indian bands), 3G: Available, 2G: Available4G: Available (supports Indian bands), 3G: Available, 2G: Available
Fingerprint SensorYes, Back mounted, Quick responseYes, Side mounted, Quick response
Face UnlockYes, Quick responseYes, Quick response


PropertiesGalaxy M31Galaxy M31s
ChipsetSamsung Exynos 9 Octa 9611Samsung Exynos 9 Octa 9611
ProcessorOcta core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
GraphicsMali-G72 MP3Mali-G72 MP3
Architecture64 bit64 bit
Ram6 GB/8 GB6 GB/8 GB


ProprtiesGalaxy M31Galaxy M31s
Quick ChargingYes, Fast, 15WYes, Fast, 25W
Usb TypecYesYes
Capacity6000 mAh6000 mAh
Talk TimeUpto 48 hrs(4G)Upto 51 hrs(4G)
Reversible ChargingNoYes


ProprtiesGalaxy M31Galaxy M31s
Display TypeSuper AMOLEDSuper AMOLED
Aspect Ratio19:5:920:9
Bezelless DisplayYes, with Water-drop notchYes, with punch-hole display
Pixel Density403 ppi405 ppi
Screen ProtectionCorning Gorilla Glass v3Corning Gorilla Glass v3
Screen To Body Ratio Calculated83.92 %91 %
Screen Size6.4 inches 6.5 inches (16.40 cm)
Screen Resolution1080 x 2340Pixels1080 x 2400 Pixels
Touch ScreenYes, Capacitive Touchscreen, Multi-touchYes, Capacitive Touchscreen, Multi-touch


ProprtiesGalaxy M31Galaxy M31s
Width75.1 mm74.06 mm
Weight191 grams185 grams
Thickness8.9 mm9.04 mm
Height159.2 mm159.07 mm
ColoursSpace Black, Ocean BlueMirage Black, Mirage Blue


ProprtiesGalaxy M31Galaxy M31s
Rear/ Front Camera SetupQuad/SingleQuad/Single
Camera Features8x Digital Zoom, Auto Flash, Face detection, Touch to focus8x Digital Zoom, Auto Flash, Face detection, Touch to focus
SensorISOCELL PlusExmor RS
Image Resolution9000 x 7000 Pixels9000 x 7000 Pixels
Resolution64 MP f/1.8 Primary Camera, 8 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera, 5 MP f/2.4 Camera, 5 MP f/2.2, Depth Camera64 MP f/1.8 Primary Sony IMX682 sensor, 12 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera, 5 MP f/2.4 Camera, 5 MP f/2.2, Depth Camera
Rear/ Front Physical ApertureF1.8/F2.0F1.8/F2.0
Front Camera Resolution32 MP f/2.0 Primary Camera32 MP f/2.0 Primary Camera
Video Recording3840×2160 @ 30 fps3840×2160 @ 30 fps
Shooting ModesContinuos Shooting, High Dynamic Range mode (HDR)Continuos Shooting, High Dynamic Range mode (HDR)
SettingsExposure compensation, ISO controlExposure compensation, ISO control
Optical image stabilizationNoYes
Single TakeNoYes
Camera switching while recording selfie videosNoYes


ProprtiesGalaxy M31Galaxy M31s
Audio Jack3.5 MM3.5 MM
Audio FeaturesDolby AtmosDolby Atmos
FM RadioYesYes

Bottom Line

Both the Smartphones are awesome at their own price ranges.

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