Realme 15x 5G vs Samsung Galaxy M21 comparison

Compare Realme 15x 5G
Compare Samsung Galaxy M21
key specs
Display6.80-inch6.40-inch
ProcessorMediaTek Dimensity 6300Samsung Exynos 9611
Front Camera50-megapixel20-megapixel
Rear Camera50-megapixel 48-megapixel + 8-megapixel + 5-megapixel
RAM6GB, 8GB4GB
Storage128GB, 256GB64GB
Battery Capacity7,000mAh6000mAh
OSAndroid 15Android 10
Resolution1,570x720 pixels2340x1080 pixels
general
BrandRealmeSamsung
Model15x 5GGalaxy M21
Release dateOctober 1, 2025March 18, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)77.93 x 166.07 x 8.28-
Weight (g)212.00188.00
IP ratingIP69-
Battery capacity (mAh)7,0006000
Removable batteryNoNo
Fast chargingSuper VOOCProprietary
Wireless Charging Type60W-
ColoursAqua Blue, Marine Blue, and Maroon RedMidnight Blue, Raven Black
Thickness-8.9
Wireless charging-No
display
Refresh Rate144 Hz-
Resolution StandardHD+-
Screen size (inches)6.806.40
TouchscreenYesYes
Resolution1,570x720 pixels2340x1080 pixels
Pixels per inch (PPI)256-
Protection type-Gorilla Glass
Aspect ratio-19.5:9
hardware
Processor2.4GHz MHz octa-core1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)
Processor makeMediaTek Dimensity 6300Samsung Exynos 9611
RAM6GB, 8GB4GB
Internal storage128GB, 256GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2TB512
camera
Rear camera50-megapixel (f/1.8)48-megapixel + 8-megapixel + 5-megapixel
No. of Rear Cameras2-
Front camera50-megapixel20-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Yes
Rear flash-Yes
Front flash-No
software
Operating systemAndroid 15Android 10
SkinRealme UI 6.0One UI 2.0
connectivity
Wi-FiYesYes
BluetoothYes, v 5.30Yes
USB Type-CYesYes
Wi-Fi standards supported-802.11 a/b/g
GPS-Yes
Headphones-3.5mm
Number of SIMs-2
sensors
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Temperature sensorYes-
Face unlock-Yes
Fingerprint sensor-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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