Xiaomi 15 Ultra vs Redmi K40S comparison

Show Only Differences Highlight Differences	Xiaomi 15 Ultra	Redmi K40S
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	6.73-inch	6.67-inch
Processor	Snapdragon 8 Elite	Qualcomm Snapdragon 870
Front Camera	32-megapixel	20-megapixel
Rear Camera	50-megapixel + 50-megapixel + 200-megapixel + 50-megapixel	48-megapixel + 8-megapixel + 2-megapixel
RAM	16GB	6GB, 8GB, 12GB
Storage	512GB	128GB, 256GB
Battery Capacity	5410mAh	4500mAh
OS	Android 15	Android
Resolution	3200x1440 pixels	1080x2400 pixels
general
Brand	Xiaomi	Xiaomi
Model	15 Ultra	Redmi K40S
Release date	February 27, 2025	March 17, 2022
AI Enabled	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	161.30 x 75.30 x 9.35	163.20 x 75.95 x 7.70
Weight (g)	226.00	195.00
IP rating	IP68	-
Battery capacity (mAh)	5410	4500
Fast charging	90W Fast Charging	Quick Charge 3.0
Wireless charging	Yes	-
Wireless Charging Type	80W	-
Launched in India	-	No
Removable battery	-	No
Colours	-	Aurora, Black, Green, Silver,
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.73	6.67
Touchscreen	Yes	Yes
Resolution	3200x1440 pixels	1080x2400 pixels
Protection type	Other	-
Aspect ratio	-	20:9
hardware
Processor	4.32 MHz octa-core	octa-core
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 870
RAM	16GB	6GB, 8GB, 12GB
Internal storage	512GB	128GB, 256GB
Expandable storage	-	No
camera
Rear camera	50-megapixel (f/1.63) + 50-megapixel (f/1.8) + 200-megapixel (f/2.6) + 50-megapixel (f/2.2)	48-megapixel (f/1.8) + 8-megapixel + 2-megapixel
No. of Rear Cameras	4	3
Rear flash	Yes	Yes
Front camera	32-megapixel (f/2.0)	20-megapixel
No. of Front Cameras	1	1
Lens Type (Second Rear Camera)	Telephoto	-
Lens Type (Third Rear Camera)	Telephoto	-
Lens Type (Fourth Rear Camera)	Ultra Wide-Angle	-
Rear autofocus	-	Yes
software
Operating system	Android 15	Android
Skin	HyperOS 2.0	MIUI 13
connectivity
Wi-Fi 7	Yes	-
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ax	802.11 a/b/g/n/ac/ax
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.20
NFC	Yes	Yes
Infrared	Yes	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	2
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	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
Barometer	Yes	-

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