Nothing Phone 3a Pro vs Xiaomi Redmi K20 Pro comparison

Show Only Differences Highlight Differences	Nothing Phone 3a Pro	Xiaomi Redmi K20 Pro
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	6.70-inch	6.39-inch
Processor	Qualcomm Snapdragon 7s Gen 3	Qualcomm Snapdragon 855
Front Camera	50-megapixel	20-megapixel
Rear Camera	50-megapixel + 50-megapixel + 8-megapixel	48-megapixel + 13-megapixel + 8-megapixel
RAM	8GB, 12GB	8GB
Storage	128GB, 256GB	256GB
Battery Capacity	5000mAh	4000mAh
OS	Android 15	Android 9
Resolution	1080x2392 pixels	1080x2340 pixels
general
Brand	Nothing	Xiaomi
Model	Phone 3a Pro	Redmi K20 Pro
Release date	March 4, 2025	May 28, 2019
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	163.52 x 77.50 x 8.39	156.70 x 74.30 x 8.80
Weight (g)	211.00	191.00
IP rating	IP64	-
Battery capacity (mAh)	5000	4000
Colours	Black, White	Carbon Black, Flame Red, Glacier Blue
Body type	-	Glass
Removable battery	-	No
Fast charging	-	Quick Charge 4.0
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.70	6.39
Touchscreen	Yes	-
Resolution	1080x2392 pixels	1080x2340 pixels
Pixels per inch (PPI)	387	403
Protection type	-	Gorilla Glass
Aspect ratio	-	19:9
hardware
Processor	octa-core	octa-core
Processor make	Qualcomm Snapdragon 7s Gen 3	Qualcomm Snapdragon 855
RAM	8GB, 12GB	8GB
Internal storage	128GB, 256GB	256GB
Expandable storage	-	No
Dedicated microSD slot	-	No
camera
Rear camera	50-megapixel (f/1.88) + 50-megapixel (f/2.55) + 8-megapixel (f/2.2)	48-megapixel (f/1.75, 1.6-micron) + 13-megapixel (f/2.4, 1.12-micron) + 8-megapixel (f/2.4, 1.12-micron)
No. of Rear Cameras	3	-
Rear flash	Yes	LED
Front camera	50-megapixel (f/2.2)	20-megapixel (f/2.2, 0.8-micron)
No. of Front Cameras	1	-
Lens Type (Second Rear Camera)	Telephoto	-
Lens Type (Third Rear Camera)	Ultra Wide-Angle	-
Rear autofocus	-	PDAF and laser autofocus
Pop-Up Camera	-	Yes
software
Operating system	Android 15	Android 9
Skin	Nothing OS 3.1	MIUI 10
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac/ax	802.11 ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.00
NFC	Yes	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	Yes
Headphones	-	3.5mm
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
Barometer	-	Yes
Temperature sensor	-	Yes
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM