Realme P4 5G vs Samsung Galaxy A21 Simple comparison

Show Only Differences Highlight Differences	Realme P4 5G	Samsung Galaxy A21 Simple
key specs
Display	6.77-inch	5.80-inch
Front Camera	16-megapixel	5-megapixel
Rear Camera	50-megapixel + 8-megapixel	13-megapixel
RAM	6GB, 8GB	3GB
Storage	128GB, 256GB	64GB
Battery Capacity	7000mAh	3600mAh
OS	Android 15	Android 11
Resolution	1080x2392 pixels	720x1560 pixels
Processor	-	Samsung Exynos 7884B
general
Brand	Realme	Samsung
Model	P4 5G	Galaxy A21 Simple
Release date	August 20, 2025	August 27, 2021
AI Enabled	Yes	-
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	163.34 x 75.88 x 7.58	150.00 x 71.00 x 8.40
Weight (g)	185.00	159.00
IP rating	IP65	-
Battery capacity (mAh)	7000	3600
Removable battery	No	-
Fast charging	80W Fast Charging	-
Colours	Engine Blue, Forge Red, Steel Gray	Black, White
display
Refresh Rate	144 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.77	5.80
Touchscreen	Yes	Yes
Resolution	1080x2392 pixels	720x1560 pixels
hardware
Processor make	MediaTek Dimensity 7400	Samsung Exynos 7884B
RAM	6GB, 8GB	3GB
Internal storage	128GB, 256GB	64GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	1000
camera
Rear camera	50-megapixel (f/1.8) + 8-megapixel (f/2.2)	13-megapixel
No. of Rear Cameras	2	1
Rear flash	Yes	Yes
Front camera	16-megapixel (f/2.4)	5-megapixel
No. of Front Cameras	1	1
Lens Type (Second Rear Camera)	Ultra Wide-Angle	-
Rear autofocus	-	Yes
Pop-Up Camera	-	No
software
Operating system	Android 15	Android 11
Skin	Realme UI 6	-
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	-
Bluetooth	Yes, v 5.40	Yes, v 5.00
Infrared	Yes	-
USB Type-C	Yes	Yes
Headphones	Type-C	-
Number of SIMs	2	-
Active 4G on both SIM cards	Yes	-
sim 1
SIM Type	Nano-SIM	-
sim 2
SIM Type	Nano-SIM	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-

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