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Realme P4 5G vs Vivo X21i comparison

 Compare Realme P4 5G
Realme P4 5G
Compare Vivo X21i
Vivo X21i
key specs
Display6.77-inch6.28-inch
Front Camera16-megapixel 24-megapixel
Rear Camera50-megapixel + 8-megapixel 12-megapixel
RAM6GB, 8GB4GB
Storage128GB, 256GB64GB
Battery Capacity7000mAh3245mAh
OSAndroid 15Android 8.1
Resolution1080x2392 pixels1080x2280 pixels
Processor-MediaTek Helio P60
general
BrandRealmeVivo
ModelP4 5GX21i
Release dateAugust 20, 2025May 1, 2018
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.34 x 75.88 x 7.58154.37 x 74.98 x 6.99
Weight (g)185.00159.00
IP ratingIP65-
Battery capacity (mAh)70003245
Removable batteryNo-
Fast charging80W Fast Charging-
ColoursEngine Blue, Forge Red, Steel GrayAurora White, Polar Night, Ruby Red
display
Refresh Rate144 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.28
TouchscreenYesYes
Resolution1080x2392 pixels1080x2280 pixels
hardware
Processor makeMediaTek Dimensity 7400MediaTek Helio P60 (MT6771)
RAM6GB, 8GB4GB
Internal storage128GB, 256GB64GB
Processor-2GHz octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera50-megapixel (f/1.8) + 8-megapixel (f/2.2)12-megapixel
No. of Rear Cameras2-
Rear flashYesDual LED
Front camera16-megapixel (f/2.4)24-megapixel
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
software
Operating systemAndroid 15Android 8.1
SkinRealme UI 6Funtouch OS 4
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes
InfraredYes-
USB Type-CYes-
HeadphonesType-C-
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 b/g/n
USB OTG-Yes
FM-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/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
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