Xiaomi 15 Ultra vs Xiaomi Redmi 4X comparison

Show Only Differences Highlight Differences	Xiaomi 15 Ultra	Xiaomi Redmi 4X
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	5.00-inch
Processor	Snapdragon 8 Elite	Qualcomm Snapdragon 435
Front Camera	32-megapixel	5-megapixel
Rear Camera	50-megapixel + 50-megapixel + 200-megapixel + 50-megapixel	13-megapixel
RAM	16GB	2GB
Storage	512GB	16GB
Battery Capacity	5410mAh	4100mAh
OS	Android 15	Android MIUI 8
Resolution	3200x1440 pixels	720x1280 pixels
general
Brand	Xiaomi	Xiaomi
Model	15 Ultra	Redmi 4X
Release date	February 27, 2025	February 1, 2017
AI Enabled	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	161.30 x 75.30 x 9.35	139.24 x 69.96 x 8.65
Weight (g)	226.00	150.00
IP rating	IP68	-
Battery capacity (mAh)	5410	4100
Fast charging	90W Fast Charging	-
Wireless charging	Yes	-
Wireless Charging Type	80W	-
Removable battery	-	No
Colours	-	Cherry Pink, Champagne Gold, Matte Black
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.73	5.00
Touchscreen	Yes	Yes
Resolution	3200x1440 pixels	720x1280 pixels
Protection type	Other	-
hardware
Processor	4.32 MHz octa-core	1.4GHz octa-core
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 435
RAM	16GB	2GB
Internal storage	512GB	16GB
Expandable storage	-	Yes
Expandable storage up to (GB)	-	128
camera
Rear camera	50-megapixel (f/1.63) + 50-megapixel (f/1.8) + 200-megapixel (f/2.6) + 50-megapixel (f/2.2)	13-megapixel
No. of Rear Cameras	4	-
Rear flash	Yes	LED
Front camera	32-megapixel (f/2.0)	5-megapixel
No. of Front Cameras	1	-
Lens Type (Second Rear Camera)	Telephoto	-
Lens Type (Third Rear Camera)	Telephoto	-
Lens Type (Fourth Rear Camera)	Ultra Wide-Angle	-
software
Operating system	Android 15	Android MIUI 8
Skin	HyperOS 2.0	-
connectivity
Wi-Fi 7	Yes	-
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ax	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 4.20
NFC	Yes	No
Infrared	Yes	No
USB Type-C	Yes	-
Number of SIMs	2	2
USB OTG	-	Yes
Headphones	-	3.5mm
FM	-	No
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
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	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	Yes	No
Temperature sensor	-	No

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