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Redmi Note 15 5G vs Vivo U3x comparison

 Sponsored Compare Redmi Note 15 5G
Redmi Note 15 5G
Compare Vivo U3x
Vivo U3x
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.77-inch6.35-inch
Front Camera20-megapixel8-megapixel
Rear Camera108-megapixel + 8-megapixel13-megapixel + 8-megapixel + 2-megapixel
RAM8GB3GB
Storage128GB, 256GB32GB
Battery Capacity5520mAh5000mAh
OSAndroid 15Android 9 Pie
Resolution1080x2392 pixels720x1544 pixels
Processor-Qualcomm Snapdragon 665
general
BrandXiaomiVivo
ModelRedmi Note 15 5GU3x
Release dateDecember 11, 2025September 24, 2019
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Body typePolycarbonate-
Dimensions (mm)164.00 x 75.42 x 7.35159.43 x 76.77 x 8.92
Weight (g)178.00190.50
IP ratingIP65-
Battery capacity (mAh)55205000
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursBlack, Glacier Blue, and Mist PurpleDeep Lake Blue, Red Tea Red, Midnight Black
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.35
TouchscreenYesYes
Resolution1080x2392 pixels720x1544 pixels
Protection typeGorilla Glass 7i-
Aspect ratio16:919.5:9
hardware
Processor makeQualcomm Snapdragon 6 Gen 3Qualcomm Snapdragon 665
RAM8GB3GB
Internal storage128GB, 256GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1TB256
Processor-octa-core
Dedicated microSD slot-Yes
camera
Rear camera108-megapixel + 8-megapixel13-megapixel (f/2.2) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Front camera20-megapixel8-megapixel (f/1.8)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 15Android 9 Pie
SkinHyperOS 2Funtouch OS 9.1
connectivity
Wi-FiYesYes
BluetoothYesYes, v 5.00
NFCYes-
USB Type-CYes-
GPS-Yes
Micro-USB-Yes
Headphones-3.5mm
FM-Yes
Number of SIMs-2
Active 4G on both SIM cards-Yes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
Face unlock-Yes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes

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