Redmi K90 vs Nothing Phone 3a comparison

Show Only Differences Highlight Differences	Redmi K90	Nothing Phone 3a
key specs
Display	6.59-inch	6.77-inch
Processor	Snapdragon 8 Elite	Qualcomm Snapdragon 7s Gen 3
Front Camera	20-megapixel	32-megapixel
Rear Camera	50-megapixel + 50-megapixel + 8-megapixel	50-megapixel + 50-megapixel + 8-megapixel
RAM	16GB	8GB, 12GB
Storage	1TB	128GB, 256GB
Battery Capacity	7,100mAh	5000mAh
OS	Android 16	Android 15
Resolution	1,156x2,510 pixels	1080x2392 pixels
general
Brand	Redmi	Nothing
Model	K90	Phone 3a
Release date	October 23, 2025	March 4, 2025
Launched in India	No	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	157.49 x 75.25 x 8.00	163.52 x 77.50 x 8.35
Weight (g)	206.00	201.00
IP rating	IP68	IP64
Battery capacity (mAh)	7,100	5000
Removable battery	No	-
Fast charging	100W Fast Charging	50W Fast Charging
Colours	White, Black, Aqua Blue, and Light Purple	Black, Blue, White
Wireless charging	-	No
display
Refresh Rate	120 Hz	120 Hz
Screen size (inches)	6.59	6.77
Touchscreen	Yes	Yes
Resolution	1,156x2,510 pixels	1080x2392 pixels
Pixels per inch (PPI)	-	387
hardware
Processor	octa-core	octa-core
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 7s Gen 3
RAM	16GB	8GB, 12GB
Internal storage	1TB	128GB, 256GB
Expandable storage	No	-
camera
Rear camera	50-megapixel (f/1.88) + 50-megapixel (f/2.2) + 8-megapixel (f/2.2)	50-megapixel (f/1.88) + 50-megapixel (f/2.55) + 8-megapixel (f/2.2)
No. of Rear Cameras	3	3
Front camera	20-megapixel	32-megapixel (f/2.2)
No. of Front Cameras	1	1
Pop-Up Camera	No	-
Front flash	Yes	-
Rear flash	-	Yes
Lens Type (Second Rear Camera)	-	Telephoto
Lens Type (Third Rear Camera)	-	Ultra Wide-Angle
software
Operating system	Android 16	Android 15
Skin	HyperOS 3	Nothing OS 3.1
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.40
NFC	Yes	Yes
USB Type-C	Yes	Yes
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
Number of SIMs	-	2
Active 4G on both SIM cards	-	Yes
sensors
In-Display Fingerprint Sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	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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