Samsung Galaxy M31 vs Samsung Galaxy A9 (2018) comparison

Show Only Differences Highlight Differences	Samsung Galaxy M31	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	Samsung Exynos 9611	Qualcomm Snapdragon 660
Front Camera	32-megapixel	24-megapixel
Rear Camera	64-megapixel + 8-megapixel + 5-megapixel + 5-megapixel	24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel
RAM	6GB	6GB
Storage	128GB	128GB
Battery Capacity	6000mAh	3800mAh
OS	Android 10	Android 8.0 Oreo
Resolution	1080x2340 pixels	1080x2220 pixels
general
Brand	Samsung	Samsung
Model	Galaxy M31	Galaxy A9 (2018)
Release date	February 26, 2020	October 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	159.20 x 75.10 x 8.90	162.50 x 77.00 x 7.80
Weight (g)	191.00	183.00
Battery capacity (mAh)	6000	3800
Removable battery	No	-
Wireless charging	No	-
Colours	Blue, Black	-
display
Screen size (inches)	6.40	6.30
Touchscreen	Yes	Yes
Resolution	1080x2340 pixels	1080x2220 pixels
Aspect ratio	19.5:9	-
hardware
Processor	2.3GHz octa-core (4x2.3GHz + 4x1.7GHz)	octa-core (4x2.2GHz + 4x1.8GHz)
Processor make	Samsung Exynos 9611	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
Dedicated microSD slot	Yes	-
camera
Rear camera	64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2) + 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	32-megapixel (f/2.0)	24-megapixel (f/2.0)
software
Operating system	Android 10	Android 8.0 Oreo
Skin	One UI 2.0	Samsung Experience UX
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 5.00
USB Type-C	Yes	Yes
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	Yes
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
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes

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