Redmi Note 15 5G vs Xiaomi Redmi Note 9 4G comparison

Show Only Differences Highlight Differences	Redmi Note 15 5G	Xiaomi Redmi Note 9 4G
key specs
Display	6.77-inch	6.53-inch
Front Camera	20-megapixel	8-megapixel
Rear Camera	108-megapixel + 8-megapixel	48-megapixel + 8-megapixel + 2-megapixel
RAM	8GB	4GB
Storage	256GB	128GB
Battery Capacity	5520mAh	6000mAh
OS	Android	Android 10
Resolution	-	1080x2340 pixels
general
Brand	Xiaomi	Xiaomi
Model	Redmi Note 15 5G	Redmi Note 9 4G
Release date	December 11, 2025	November 26, 2020
Launched in India	No	No
Dimensions (mm)	163.00 x 78.31 x 8.19	162.30 x 77.20 x 9.60
Weight (g)	207.10	198.00
IP rating	IP65	-
Battery capacity (mAh)	5520	6000
Fast charging	45W Fast Charging	Proprietary
Colours	Black, Glacier Blue and Mist Purple	Smoke Wave Blue, Misty Green, and Feather Black
Form factor	-	Touchscreen
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.77	6.53
Protection type	Gorilla Glass 7i	-
Touchscreen	-	Yes
Resolution	-	1080x2340 pixels
Aspect ratio	-	19.5:9
hardware
Processor make	Qualcomm Snapdragon 6 Gen 3	Qualcomm Snapdragon 662
RAM	8GB	4GB
Internal storage	256GB	128GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	512
Dedicated microSD slot	-	Yes
camera
Rear camera	108-megapixel + 8-megapixel	48-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Front camera	20-megapixel	8-megapixel (f/2.0)
No. of Front Cameras	1	-
Rear flash	-	Yes
software
Operating system	Android	Android 10
Skin	HyperOS 2	MIUI 12
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes, v 4.20
NFC	Yes	-
USB Type-C	Yes	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n
GPS	-	Yes
Infrared	-	Yes
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	Yes
sim 1
SIM Type	-	Nano-SIM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
3G	-	Yes
4G/ LTE	-	Yes
sensors
Face unlock	-	Yes
Fingerprint sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes

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