Redmi K40 Pro vs Xiaomi Mi A3 comparison

Show Only Differences Highlight Differences	Redmi K40 Pro	Xiaomi Mi A3
key specs
Display	6.67-inch	6.08-inch
Processor	Qualcomm Snapdragon 888	Qualcomm Snapdragon 665
Front Camera	20-megapixel	32-megapixel
Rear Camera	64-megapixel + 8-megapixel + 5-megapixel	48-megapixel + 8-megapixel + 2-megapixel
RAM	6GB, 8GB, 12GB	4GB
Storage	128GB, 256GB	64GB
Battery Capacity	4520mAh	4030mAh
OS	Android 11	Android 9.0
Resolution	1080x2400 pixels	720x1560 pixels
general
Brand	Xiaomi	Xiaomi
Model	Redmi K40 Pro	Mi A3
Release date	February 25, 2021	July 17, 2019
Launched in India	No	-
Form factor	Touchscreen	-
Dimensions (mm)	163.70 x 76.40 x 7.80	153.48 x 71.85 x 8.50
Weight (g)	196.00	173.80
Battery capacity (mAh)	4520	4030
Fast charging	Proprietary	Quick Charge 3.0
Colours	-	Not Just Blue, More Than White, Kind of Gray
display
Screen size (inches)	6.67	6.08
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	720x1560 pixels
Aspect ratio	20:9	19.5:9
Protection type	-	Gorilla Glass
hardware
Processor	octa-core	2GHz octa-core
Processor make	Qualcomm Snapdragon 888	Qualcomm Snapdragon 665
RAM	6GB, 8GB, 12GB	4GB
Internal storage	128GB, 256GB	64GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	64-megapixel + 8-megapixel + 5-megapixel	48-megapixel (f/1.79, 1.6-micron) + 8-megapixel (f/2.2) + 2-megapixel
No. of Rear Cameras	3	-
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	20-megapixel	32-megapixel (f/2.0, 1.6-micron)
No. of Front Cameras	1	-
software
Operating system	Android 11	Android 9.0
Skin	MIUI 12	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac/ax	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.10	Yes, v 5.00
NFC	Yes	-
Infrared	Yes	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	2
Headphones	-	3.5mm
FM	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Face unlock	-	Yes
Fingerprint sensor	-	Yes
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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