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Nothing Phone 3a Pro vs Cat S31 comparison

 Compare Nothing Phone 3a Pro
Nothing Phone 3a Pro
Compare Cat S31
Cat S31
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.70-inch4.70-inch
ProcessorQualcomm Snapdragon 7s Gen 3Qualcomm Snapdragon 210
Front Camera50-megapixel 2-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel 8-megapixel
RAM8GB, 12GB2GB
Storage128GB, 256GB16GB
Battery Capacity5000mAh4000mAh
OSAndroid 15Android 7.1
Resolution1080x2392 pixels720x1280 pixels
general
BrandNothingCat
ModelPhone 3a ProS31
Release dateMarch 4, 2025September 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.52 x 77.50 x 8.39146.00 x 74.42 x 12.60
Weight (g)211.00200.00
IP ratingIP64-
Battery capacity (mAh)50004000
ColoursBlack, White-
Removable battery-No
display
Refresh Rate120 Hz-
Screen size (inches)6.704.70
TouchscreenYesYes
Resolution1080x2392 pixels720x1280 pixels
Pixels per inch (PPI)387-
hardware
Processorocta-corequad-core
Processor makeQualcomm Snapdragon 7s Gen 3Qualcomm Snapdragon 210
RAM8GB, 12GB2GB
Internal storage128GB, 256GB16GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-128
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.55) + 8-megapixel (f/2.2)8-megapixel
No. of Rear Cameras3-
Rear flashYesLED
Front camera50-megapixel (f/2.2)2-megapixel
No. of Front Cameras1-
Lens Type (Second Rear Camera)Telephoto-
Lens Type (Third Rear Camera)Ultra Wide-Angle-
Front flash-No
software
Operating systemAndroid 15Android 7.1
SkinNothing OS 3.1-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.40Yes, v 4.10
NFCYesNo
USB Type-CYes-
Number of SIMs22
Active 4G on both SIM cardsYes-
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-No
4G/ LTE-No
sim 2
3G-No
4G/ LTE-No
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