Xiaomi 15 Ultra vs Xiaomi Redmi 1S comparison

Show Only Differences Highlight Differences	Xiaomi 15 Ultra	Xiaomi Redmi 1S
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	6.73-inch	4.70-inch
Processor	Snapdragon 8 Elite	Qualcomm Snapdragon 400
Front Camera	32-megapixel	1.6-megapixel
Rear Camera	50-megapixel + 50-megapixel + 200-megapixel + 50-megapixel	8-megapixel
RAM	16GB	1GB
Storage	512GB	8GB
Battery Capacity	5410mAh	2000mAh
OS	Android 15	Android 4.3
Resolution	3200x1440 pixels	720x1280 pixels
general
Brand	Xiaomi	Xiaomi
Model	15 Ultra	Redmi 1S
Release date	February 27, 2025	July 1, 2014
AI Enabled	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	161.30 x 75.30 x 9.35	137.00 x 69.00 x 9.90
Weight (g)	226.00	158.00
IP rating	IP68	-
Battery capacity (mAh)	5410	2000
Fast charging	90W Fast Charging	-
Wireless charging	Yes	-
Wireless Charging Type	80W	-
Removable battery	-	Yes
Colours	-	grey
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.73	4.70
Touchscreen	Yes	Yes
Resolution	3200x1440 pixels	720x1280 pixels
Protection type	Other	-
Pixels per inch (PPI)	-	312
hardware
Processor	4.32 MHz octa-core	1.6GHz quad-core
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 400 (MSM8228)
RAM	16GB	1GB
Internal storage	512GB	8GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	64
camera
Rear camera	50-megapixel (f/1.63) + 50-megapixel (f/1.8) + 200-megapixel (f/2.6) + 50-megapixel (f/2.2)	8-megapixel
No. of Rear Cameras	4	-
Rear flash	Yes	LED
Front camera	32-megapixel (f/2.0)	1.6-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 4.3
Skin	HyperOS 2.0	MIUI version 5
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 4.00
NFC	Yes	No
Infrared	Yes	No
USB Type-C	Yes	-
Number of SIMs	2	2
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	No
5G	Yes	-
sim 2
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
5G	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
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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