Samsung Galaxy A31 vs Samsung Rex 90 comparison

Show Only Differences Highlight Differences	Samsung Galaxy A31	Samsung Rex 90
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	3.50-inch
Processor	MediaTek Helio P65	one-core
Front Camera	20-megapixel	No
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel	3.2-megapixel
RAM	6GB	-
Storage	128GB	10MB
Battery Capacity	5000mAh	1000mAh
OS	Android 10	Proprietary
Resolution	1080x2400 pixels	320x480 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A31	Rex 90
Release date	March 24, 2020	February 1, 2013
Launched in India	Yes	-
Form factor	Touchscreen	Bar
Dimensions (mm)	159.30 x 73.10 x 8.60	113.00 x 61.90 x 11.84
Weight (g)	185.00	-
Battery capacity (mAh)	5000	1000
Removable battery	No	Yes
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Prism Crush Black, Prism Crush Blue, Prism Crush White	-
Alternate names	-	GT-S5292
display
Screen size (inches)	6.40	3.50
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	320x480 pixels
Aspect ratio	20:9	-
hardware
Processor	2GHz octa-core (2x2GHz + 6x1.7GHz)	one-core
Processor make	MediaTek Helio P65	-
RAM	6GB	-
Internal storage	128GB	10MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	32
camera
Rear camera	48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)	3.2-megapixel
Rear autofocus	Yes	-
Rear flash	Yes	No
Front camera	20-megapixel (f/2.2)	No
software
Operating system	Android 10	Proprietary
Skin	One UI 2.1	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n	-
GPS	Yes	No
Bluetooth	Yes	Yes
NFC	Yes	No
USB Type-C	Yes	-
Number of SIMs	2	2
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sim 2
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sensors
Face unlock	Yes	-
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	No
Ambient light sensor	Yes	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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