Want to compare Samsung M21 vs Redmi Note 9 mobile? You have come to the right place. Here you can find Samsung M21 vs Redmi Note 9 comparison based on display size, processor speed, camera resolution, user experience, memory size, connectivity strength, and overall dimension.

Related: Check out latest Samsung M21 price in India on Priceo.

On one hand, Samsung Galaxy M21 comes with a 6.4-inch Super-AMOLED display having a screen resolution of 1,080 x 2,340 pixels. The camera of the device is good for photography lovers. At the front, there is a 20MP lens, which is a rather better camera to capture selfie pictures. In terms of storage, the device has 64GB internal memory that can keep a lot of media files, data, apps, and games.The Samsung Galaxy M21 comes with a Li-ion battery having 6,000mAh capacity, which is huge to provide more than a day of power backup.

On the other hand, Redmi Note 9 features a 6.53-inch FHD+ IPS LCD, with a screen resolution of 1080 x 2340 pixels. The screen to body ratio of the device is 84.37% and its aspect ratio is 19.5:9, offering a cinematic view. The bezel-less display of the smartphone is protected by a v5 Corning Gorilla Glass and comes with a punch-hole design.The Xiaomi device offers a stunning AI Quad-camera setup at its rear side, featuring a 48MP f/1.79 Primary ISOCELL Plus sensor, an 8MP f/2.2 118 Ultra-Wide-Angle lens, a 2MP f/2.4 depth sensor, and another 2MP f/2.4 macro lens. The selfie shooter is mounted with a 13MP f/2.25 lens that is capable of clicking stunning portraits.

Our recommendation: We recommend you to buy Redmi Note 9 over Samsung M21 because it is better value for money package and offers a better display and camera. 

Samsung M21 vs Redmi Note 9 Comparison Table

Key Specs
Display6.40-inch6.53-inch
ProcessorSamsung Exynos 9611MediaTek Helio G85
Front Camera20-megapixel13-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM4GB4GB
Storage64GB64GB
Battery Capacity6000mAh5020mAh
OSAndroid 10Android 10
Resolution2340×1080 pixels1080×2340 pixels
 
General
BrandSamsungXiaomi
ModelGalaxy M21Redmi Note 9
Release dateMarch 18, 2020April 30, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Thickness8.9
Weight (g)188.00199.00
Battery capacity (mAh)60005020
Removable batteryNo
Fast chargingProprietaryProprietary
Wireless chargingNo
ColoursMidnight Blue, Raven BlackAqua Green, Arctic White, Pebble Grey, Scarlet Red
Dimensions (mm)162.30 x 77.20 x 8.90
Display
Screen size (inches)6.406.53
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)1.8GHz octa-core (6×1.8GHz + 2x2GHz)
Processor makeSamsung Exynos 9611MediaTek Helio G85
RAM4GB4GB
Internal storage64GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512512
Dedicated microSD slotYes
Camera
Rear camera48-megapixel + 8-megapixel + 5-megapixel48-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel13-megapixel
Front flashNo
Software
Operating systemAndroid 10Android 10
SkinOne UI 2.0MIUI 11
Connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g802.11 a/b/g/n
GPSYesYes
BluetoothYesYes, v 5.00
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
NFCYes
InfraredYes
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
Gyroscope