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Realme P4 5G vs Realme C21Y comparison

 Compare Realme P4 5G
Realme P4 5G
Compare Realme C21Y
Realme C21Y
key specs
Display6.77-inch6.50-inch
Front Camera16-megapixel 5-megapixel
Rear Camera50-megapixel + 8-megapixel 13-megapixel + 2-megapixel + 2-megapixel
RAM6GB, 8GB3GB, 4GB
Storage128GB, 256GB32GB, 64GB
Battery Capacity7000mAh5000mAh
OSAndroid 15Android 11
Resolution1080x2392 pixels720x1600 pixels
Processor-Unisoc T610
general
BrandRealmeRealme
ModelP4 5GC21Y
Release dateAugust 20, 2025July 14, 2021
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.34 x 75.88 x 7.58164.50 x 76.00 x 9.10
Weight (g)185.00200.00
IP ratingIP65-
Battery capacity (mAh)70005000
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
ColoursEngine Blue, Forge Red, Steel GrayCross Black, Cross Blue
display
Refresh Rate144 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.50
TouchscreenYesYes
Resolution1080x2392 pixels720x1600 pixels
Aspect ratio-20:9
hardware
Processor makeMediaTek Dimensity 7400Unisoc T610
RAM6GB, 8GB3GB, 4GB
Internal storage128GB, 256GB32GB, 64GB
Processor-octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.8) + 8-megapixel (f/2.2)13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Rear flashYesYes
Front camera16-megapixel (f/2.4)5-megapixel (f/2.4)
No. of Front Cameras11
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 11
SkinRealme UI 6Realme UI
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
InfraredYes-
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Micro-USB-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Fingerprint sensor-Yes
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