Nothing Phone 4a vs Realme X3 comparison

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key specs
Display6.78-inch6.60-inch
ProcessorSnapdragon 7s Gen 4Qualcomm Snapdragon 855+
Front Camera32-megapixel 16-megapixel + 8-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel 64-megapixel + 8-megapixel + 12-megapixel + 2-megapixel
RAM8GB, 12GB6GB
Storage128GB, 256GB128GB
Battery Capacity5400mAh4200mAh
OSAndroid 16Android 10
Resolution1,224x2,720 pixels1080x2400 pixels
general
BrandNothingRealme
ModelPhone 4aX3
Release dateMarch 5, 2026June 25, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.95 x 77.57 x 8.55163.80 x 75.80 x 8.90
Weight (g)204.50202.00
IP ratingIP64-
Battery capacity (mAh)54004200
Removable batteryNoNo
Fast charging50W Fast ChargingProprietary
Wireless chargingNo-
ColoursBlack, Blue, Pink, WhiteArctic White, Glacier Blue
display
Refresh Rate120 Hz-
Screen size (inches)6.786.60
TouchscreenYesYes
Resolution1,224x2,720 pixels1080x2400 pixels
Protection typeGorilla Glass 7iGorilla Glass
Pixels per inch (PPI)440-
Aspect ratio-20:9
hardware
Processorocta-coreocta-core
Processor makeSnapdragon 7s Gen 4Qualcomm Snapdragon 855+
RAM8GB, 12GB6GB
Internal storage128GB, 256GB128GB
Expandable storage-No
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.88) + 8-megapixel (f/2.2)64-megapixel (f/1.8) + 8-megapixel (f/2.3) + 12-megapixel (f/2.5) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera32-megapixel (f/2.2)16-megapixel (f/2.0) + 8-megapixel (f/2.2)
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 16Android 10
SkinNothing OS 4.1Realme UI
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYes-
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Fingerprint sensor-Yes

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