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Nothing Phone 4a vs Samsung Galaxy S21 Ultra comparison

 Compare Nothing Phone 4a
Nothing Phone 4a
Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
key specs
Display6.78-inch6.80-inch
ProcessorSnapdragon 7s Gen 4Samsung Exynos 2100
Front Camera32-megapixel 40-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM6GB, 8GB, 12GB12GB, 16GB
Storage128GB, 256GB128GB, 256GB, 512GB
Battery Capacity5400mAh5000mAh
OSAndroid 16Android 11
Resolution1,224x2,720 pixels1440x3220 pixels
general
BrandNothingSamsung
ModelPhone 4aGalaxy S21 Ultra
Release dateMarch 5, 2026January 14, 2021
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.95 x 77.57 x 8.55165.10 x 75.60 x 8.90
Weight (g)204.50228.00
IP ratingIP64IP68
Battery capacity (mAh)54005000
Removable batteryNo-
Fast charging50W Fast ChargingProprietary
Wireless chargingNoYes
ColoursBlack, Blue, Pink, WhitePhantom Titanium, Phantom Navy, Phantom Brown
display
Refresh Rate120 Hz-
Screen size (inches)6.786.80
TouchscreenYesYes
Resolution1,224x2,720 pixels1440x3220 pixels
Protection typeGorilla Glass 7iGorilla Glass
Pixels per inch (PPI)440515
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeSnapdragon 7s Gen 4Samsung Exynos 2100
RAM6GB, 8GB, 12GB12GB, 16GB
Internal storage128GB, 256GB128GB, 256GB, 512GB
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.88) + 8-megapixel (f/2.2)108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron)
No. of Rear Cameras3-
Rear autofocusYesLaser autofocus
Rear flashYesYes
Front camera32-megapixel (f/2.2)40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 16Android 11
SkinNothing OS 4.1One UI 3.1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYesYes
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac/ax
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sensors
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Barometer-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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