Redmi Note 15 5G vs Redmi K40S comparison

Show Only Differences Highlight Differences	Redmi Note 15 5G	Redmi K40S
key specs
Display	6.77-inch	6.67-inch
Front Camera	20-megapixel	20-megapixel
Rear Camera	108-megapixel + 8-megapixel	48-megapixel + 8-megapixel + 2-megapixel
RAM	8GB	6GB, 8GB, 12GB
Storage	256GB	128GB, 256GB
Battery Capacity	5520mAh	4500mAh
OS	Android	Android
Processor	-	Qualcomm Snapdragon 870
Resolution	-	1080x2400 pixels
general
Brand	Xiaomi	Xiaomi
Model	Redmi Note 15 5G	Redmi K40S
Release date	December 11, 2025	March 17, 2022
Launched in India	No	No
Dimensions (mm)	163.00 x 78.31 x 8.19	163.20 x 75.95 x 7.70
Weight (g)	207.10	195.00
IP rating	IP65	-
Battery capacity (mAh)	5520	4500
Fast charging	45W Fast Charging	Quick Charge 3.0
Colours	Black, Glacier Blue and Mist Purple	Aurora, Black, Green, Silver,
Form factor	-	Touchscreen
Removable battery	-	No
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.77	6.67
Protection type	Gorilla Glass 7i	-
Touchscreen	-	Yes
Resolution	-	1080x2400 pixels
Aspect ratio	-	20:9
hardware
Processor make	Qualcomm Snapdragon 6 Gen 3	Qualcomm Snapdragon 870
RAM	8GB	6GB, 8GB, 12GB
Internal storage	256GB	128GB, 256GB
Processor	-	octa-core
Expandable storage	-	No
camera
Rear camera	108-megapixel + 8-megapixel	48-megapixel (f/1.8) + 8-megapixel + 2-megapixel
No. of Rear Cameras	2	3
Front camera	20-megapixel	20-megapixel
No. of Front Cameras	1	1
Rear autofocus	-	Yes
Rear flash	-	Yes
software
Operating system	Android	Android
Skin	HyperOS 2	MIUI 13
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes, v 5.20
NFC	Yes	Yes
USB Type-C	Yes	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
GPS	-	Yes
Infrared	-	Yes
Number of SIMs	-	2
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sensors
In-Display Fingerprint Sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes

Popular Mobile Brands