Samsung Galaxy A51 vs Xiaomi Redmi K20 comparison

Show Only Differences Highlight Differences	Samsung Galaxy A51	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	6.50-inch	6.39-inch
Front Camera	32-megapixel	20-megapixel
Rear Camera	48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel	48-megapixel + 8-megapixel + 13-megapixel
RAM	6GB	6GB
Storage	128GB	64GB
Battery Capacity	4000mAh	4000mAh
OS	Android 10	Android Pie
Resolution	1080x2400 pixels	1080x2340 pixels
Processor	-	Qualcomm Snapdragon 730
general
Brand	Samsung	Xiaomi
Model	Galaxy A51	Redmi K20
Release date	January 1, 2020	May 28, 2019
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	158.50 x 73.60 x 7.90	156.70 x 74.30 x 8.80
Weight (g)	172.00	191.00
Battery capacity (mAh)	4000	4000
Fast charging	Proprietary	Proprietary
Colours	Prism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush White	Carbon Black, Glacier Blue, Flame Red
Body type	-	Glass
display
Screen size (inches)	6.50	6.39
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	1080x2340 pixels
Protection type	-	Gorilla Glass
Aspect ratio	-	19.5:9
Pixels per inch (PPI)	-	403
hardware
Processor make	Samsung Exynos 9611	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	Yes	No
Processor	-	1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
camera
Rear camera	48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 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)
Front camera	32-megapixel (f/2.2)	20-megapixel (f/2.2, 0.8-micron)
Rear autofocus	-	Yes
Rear flash	-	Yes
Pop-Up Camera	-	Yes
Front flash	-	No
software
Operating system	Android 10	Android Pie
Skin	One UI 2.0	MIUI 10
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ac	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 5.00
NFC	Yes	No
USB OTG	Yes	-
USB Type-C	Yes	Yes
Headphones	3.5mm	3.5mm
FM	Yes	-
Number of SIMs	2	2
Wi-Fi Direct	Yes	Yes
Active 4G on both SIM cards	Yes	Yes
Infrared	-	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
Fingerprint sensor	Yes	Yes
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes

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