Samsung Galaxy A31 vs Samsung Galaxy A9 (2018) comparison

Show Only Differences Highlight Differences	Samsung Galaxy A31	Samsung Galaxy A9 (2018)
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.40-inch	6.30-inch
Processor	MediaTek Helio P65	Qualcomm Snapdragon 660
Front Camera	20-megapixel	24-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel	24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel
RAM	6GB	6GB
Storage	128GB	128GB
Battery Capacity	5000mAh	3800mAh
OS	Android 10	Android 8.0 Oreo
Resolution	1080x2400 pixels	1080x2220 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A31	Galaxy A9 (2018)
Release date	March 24, 2020	October 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	159.30 x 73.10 x 8.60	162.50 x 77.00 x 7.80
Weight (g)	185.00	183.00
Battery capacity (mAh)	5000	3800
Removable battery	No	-
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Prism Crush Black, Prism Crush Blue, Prism Crush White	-
display
Screen size (inches)	6.40	6.30
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	1080x2220 pixels
Aspect ratio	20:9	-
hardware
Processor	2GHz octa-core (2x2GHz + 6x1.7GHz)	octa-core (4x2.2GHz + 4x1.8GHz)
Processor make	MediaTek Helio P65	Qualcomm Snapdragon 660
RAM	6GB	6GB
Internal storage	128GB	128GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	512
camera
Rear camera	48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)	24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 8-megapixel (f/2.4) + 5-megapixel (f/2.0)
Rear autofocus	Yes	Yes
Rear flash	Yes	-
Front camera	20-megapixel (f/2.2)	24-megapixel (f/2.0)
software
Operating system	Android 10	Android 8.0 Oreo
Skin	One UI 2.1	Samsung Experience UX
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
NFC	Yes	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	2
Headphones	-	3.5mm
FM	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	-
3G	Yes	Yes
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	Yes
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Fingerprint sensor	-	Yes
Gyroscope	-	Yes

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