Samsung Galaxy A31 vs Xiaomi Redmi K20 comparison

Show Only Differences Highlight Differences	Samsung Galaxy A31	Xiaomi Redmi K20
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	6.39-inch
Processor	MediaTek Helio P65	Qualcomm Snapdragon 730
Front Camera	20-megapixel	20-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel	48-megapixel + 8-megapixel + 13-megapixel
RAM	6GB	6GB
Storage	128GB	64GB
Battery Capacity	5000mAh	4000mAh
OS	Android 10	Android Pie
Resolution	1080x2400 pixels	1080x2340 pixels
general
Brand	Samsung	Xiaomi
Model	Galaxy A31	Redmi K20
Release date	March 24, 2020	May 28, 2019
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	159.30 x 73.10 x 8.60	156.70 x 74.30 x 8.80
Weight (g)	185.00	191.00
Battery capacity (mAh)	5000	4000
Removable battery	No	-
Fast charging	Proprietary	Proprietary
Wireless charging	No	-
Colours	Prism Crush Black, Prism Crush Blue, Prism Crush White	Carbon Black, Glacier Blue, Flame Red
Body type	-	Glass
display
Screen size (inches)	6.40	6.39
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	1080x2340 pixels
Aspect ratio	20:9	19.5:9
Protection type	-	Gorilla Glass
Pixels per inch (PPI)	-	403
hardware
Processor	2GHz octa-core (2x2GHz + 6x1.7GHz)	1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
Processor make	MediaTek Helio P65	Qualcomm Snapdragon 730
RAM	6GB	6GB
Internal storage	128GB	64GB
Expandable storage	Yes	No
Expandable storage type	microSD	-
Expandable storage up to (GB)	512	-
Dedicated microSD slot	-	No
camera
Rear camera	48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)	48-megapixel (f/1.75, 1.6-micron) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron)
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	20-megapixel (f/2.2)	20-megapixel (f/2.2, 0.8-micron)
Pop-Up Camera	-	Yes
Front flash	-	No
software
Operating system	Android 10	Android Pie
Skin	One UI 2.1	MIUI 10
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	No
USB Type-C	Yes	Yes
Number of SIMs	2	2
Infrared	-	Yes
Headphones	-	3.5mm
Wi-Fi Direct	-	Yes
Active 4G on both SIM cards	-	Yes
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	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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