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Nothing Phone 3a vs Samsung Galaxy S21 Ultra comparison

 Compare Nothing Phone 3a
Nothing Phone 3a
Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.77-inch6.80-inch
ProcessorQualcomm Snapdragon 7s Gen 3Samsung Exynos 2100
Front Camera32-megapixel 40-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM8GB12GB, 16GB
Storage128GB, 256GB128GB, 256GB, 512GB
Battery Capacity5000mAh5000mAh
OSAndroid 15Android 11
Resolution1080x2392 pixels1440x3220 pixels
general
BrandNothingSamsung
ModelPhone 3aGalaxy S21 Ultra
Release dateMarch 4, 2025January 14, 2021
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.52 x 77.50 x 8.35165.10 x 75.60 x 8.90
Weight (g)201.00228.00
IP ratingIP64IP68
Battery capacity (mAh)50005000
Fast charging50W Fast ChargingProprietary
Wireless chargingNoYes
ColoursBlack, Blue, WhitePhantom Titanium, Phantom Navy, Phantom Brown
display
Refresh Rate120 Hz-
Screen size (inches)6.776.80
TouchscreenYesYes
Resolution1080x2392 pixels1440x3220 pixels
Pixels per inch (PPI)387515
Protection type-Gorilla Glass
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeQualcomm Snapdragon 7s Gen 3Samsung Exynos 2100
RAM8GB12GB, 16GB
Internal storage128GB, 256GB128GB, 256GB, 512GB
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.55) + 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 flashYesYes
Front camera32-megapixel (f/2.2)40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras1-
Lens Type (Second Rear Camera)Telephoto-
Lens Type (Third Rear Camera)Ultra Wide-Angle-
Rear autofocus-Laser autofocus
software
Operating systemAndroid 15Android 11
SkinNothing OS 3.1One UI 3.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYesYes
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
sensors
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Barometer-Yes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes

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