Want to compare Samsung M31 vs Samsung M21 mobile? You have come to the right place. Here you can find Samsung M31 vs Samsung M21 comparison based on display size, processor speed, camera resolution, user experience, memory size, connectivity strength, and overall dimension.

Related: Check out latest Samsung M31 price in India on Priceo.

On one hand, Samsung Galaxy M31 comes with a 6.4-inch Super AMOLED display, which gets a waterdrop style notch over the bezel-less screen. The device is provided with a Li-ion cell having a huge charging capacity of 6,000mAh. The Samsung Galaxy M31 is equipped with Exynos 9 Octa 9611 chipset, which is coupled with Mali G72-MP3 GPU and 6GB RAM. It also has a memory slot that supports up to 512GB with the help of a microSD card.

On the other hand, Samsung M21 flaunts a 6.4 inches sAMOLED bezel-less front screen protected by Corning Gorilla Glass v5. The device also gets a 1080 x 2340 pixels resolution and an aspect ratio of 19.5:9 besides a pixel density of 403ppi. A 48MP f/2.0 Primary Camera accompanied by an 8MP f/2.2 Ultra-Wide Angle Camera and a 5MP f/2.2 Depth Camera is placed on the backside of the device with LED Flash and Autofocus. Samsung has installed a 20MP f/2.0 front camera to take care of the selfie department. 

 

Our recommendation: We recommend you to buy Samsung M21 over Samsung M31 because it offers a better value for money package with better display and processor.

Samsung M31 vs Samsung M21 Comparison Table

Key Specs
Display6.40-inch6.40-inch
ProcessorSamsung Exynos 9611Samsung Exynos 9611
Front Camera20-megapixel32-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel64-megapixel + 8-megapixel + 5-megapixel + 5-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity6000mAh6000mAh
OSAndroid 10Android 10
Resolution2340×1080 pixels1080×2340 pixels
 
General
BrandSamsungSamsung
ModelGalaxy M21Galaxy M31
Release dateMarch 18, 2020February 26, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Thickness8.9
Weight (g)188.00191.00
Battery capacity (mAh)60006000
Removable batteryNoNo
Fast chargingProprietary
Wireless chargingNoNo
ColoursMidnight Blue, Raven BlackBlue, Black
Body typePlastic
Dimensions (mm)159.20 x 75.10 x 8.90
Display
Screen size (inches)6.406.40
TouchscreenYesYes
Resolution2340×1080 pixels1080×2340 pixels
Protection typeGorilla Glass
Aspect ratio19.5:919.5:9
Hardware
Processor1.7GHz octa-core (4×1.7GHz + 4×2.3GHz)2.3GHz octa-core (4×2.3GHz + 4×1.7GHz)
Processor makeSamsung Exynos 9611Samsung Exynos 9611
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512512
Dedicated microSD slotYes
Camera
Rear camera48-megapixel + 8-megapixel + 5-megapixel64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel32-megapixel (f/2.0)
Front flashNo
Software
Operating systemAndroid 10Android 10
SkinOne UI 2.0One UI 2.0
Connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g802.11 a/b/g/n/ac
GPSYesYes
BluetoothYesYes, v 5.00
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes
Sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sensors
Face unlockYesYes
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes