Redmi Note 15 Pro 5G vs Cat S31 comparison

Show Only Differences Highlight Differences	Sponsored Redmi Note 15 Pro 5G	Cat S31
key specs
Display	6.83-inch	4.70-inch
Front Camera	20-megapixel	2-megapixel
Rear Camera	200-megapixel + 8-megapixel	8-megapixel
RAM	8GB	2GB
Storage	128GB, 256GB	16GB
Battery Capacity	6580mAh	4000mAh
OS	Android	Android 7.1
Resolution	1280x2772 pixels	720x1280 pixels
Processor	-	Qualcomm Snapdragon 210
general
Brand	Xiaomi	Cat
Model	Redmi Note 15 Pro 5G	S31
Release date	December 11, 2025	September 1, 2017
Launched in India	No	-
Dimensions (mm)	163.00 x 78.09 x 7.96	146.00 x 74.42 x 12.60
Weight (g)	207.10	200.00
IP rating	IP68	-
Battery capacity (mAh)	6580	4000
Fast charging	45W Fast Charging	-
Colours	Black, Glacier Blue, Titanium	-
Form factor	-	Touchscreen
Removable battery	-	No
display
Refresh Rate	120 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	4.70
Resolution	1280x2772 pixels	720x1280 pixels
Pixels per inch (PPI)	447	-
Touchscreen	-	Yes
hardware
RAM	8GB	2GB
Internal storage	128GB, 256GB	16GB
Processor	-	quad-core
Processor make	-	Qualcomm Snapdragon 210
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	128
camera
Rear camera	200-megapixel + 8-megapixel	8-megapixel
No. of Rear Cameras	2	-
Front camera	20-megapixel	2-megapixel
No. of Front Cameras	1	-
Rear flash	-	LED
Front flash	-	No
software
Operating system	Android	Android 7.1
Skin	HyperOS 2	-
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes, v 4.10
NFC	Yes	No
USB Type-C	Yes	-
Wi-Fi standards supported	-	802.11 b/g/n
GPS	-	Yes
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	No
4G/ LTE	-	No
sim 2
3G	-	No
4G/ LTE	-	No
sensors
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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