Xiaomi Redmi K20 Pro vs Cat S31 comparison

Show Only Differences Highlight Differences	Xiaomi Redmi K20 Pro	Cat S31
ratings
Overall NDTV Rating	Read Review	-
Design Rating		-
Display Rating		-
Software Rating		-
Performance Rating		-
Battery Life Rating		-
Camera Rating		-
Value for Money Rating		-
key specs
Display	6.39-inch	4.70-inch
Processor	Qualcomm Snapdragon 855	Qualcomm Snapdragon 210
Front Camera	20-megapixel	2-megapixel
Rear Camera	48-megapixel + 13-megapixel + 8-megapixel	8-megapixel
RAM	8GB	2GB
Storage	256GB	16GB
Battery Capacity	4000mAh	4000mAh
OS	Android 9	Android 7.1
Resolution	1080x2340 pixels	720x1280 pixels
general
Brand	Xiaomi	Cat
Model	Redmi K20 Pro	S31
Release date	May 28, 2019	September 1, 2017
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Body type	Glass	-
Dimensions (mm)	156.70 x 74.30 x 8.80	146.00 x 74.42 x 12.60
Weight (g)	191.00	200.00
Battery capacity (mAh)	4000	4000
Removable battery	No	No
Fast charging	Quick Charge 4.0	-
Colours	Carbon Black, Flame Red, Glacier Blue	-
display
Screen size (inches)	6.39	4.70
Resolution	1080x2340 pixels	720x1280 pixels
Protection type	Gorilla Glass	-
Aspect ratio	19:9	-
Pixels per inch (PPI)	403	-
Touchscreen	-	Yes
hardware
Processor	octa-core	quad-core
Processor make	Qualcomm Snapdragon 855	Qualcomm Snapdragon 210
RAM	8GB	2GB
Internal storage	256GB	16GB
Expandable storage	No	Yes
Dedicated microSD slot	No	-
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	128
camera
Rear camera	48-megapixel (f/1.75, 1.6-micron) + 13-megapixel (f/2.4, 1.12-micron) + 8-megapixel (f/2.4, 1.12-micron)	8-megapixel
Rear autofocus	PDAF and laser autofocus	-
Rear flash	LED	LED
Front camera	20-megapixel (f/2.2, 0.8-micron)	2-megapixel
Pop-Up Camera	Yes	-
Front flash	-	No
software
Operating system	Android 9	Android 7.1
Skin	MIUI 10	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ac	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.10
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	No
FM	-	Yes
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	-	No
4G/ LTE	-	No
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	-	No
4G/ LTE	-	No
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	No
Barometer	Yes	No
Temperature sensor	Yes	No
Compass/ Magnetometer	-	Yes

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