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Redmi Note 15 5G vs Vivo V21 5G comparison

 Sponsored Compare Redmi Note 15 5G
Redmi Note 15 5G
Compare Vivo V21 5G
Vivo V21 5G
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-inch6.44-inch
Front Camera20-megapixel44-megapixel
Rear Camera108-megapixel + 8-megapixel64-megapixel + 8-megapixel + 2-megapixel
RAM8GB8GB
Storage128GB, 256GB128GB, 256GB
Battery Capacity5520mAh4000mAh
OSAndroid 15Android 11
Resolution1080x2392 pixels1080x2404 pixels
Processor-MediaTek Dimensity 800U
general
BrandXiaomiVivo
ModelRedmi Note 15 5GV21 5G
Release dateDecember 11, 2025April 27, 2021
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Body typePolycarbonate-
Dimensions (mm)164.00 x 75.42 x 7.35159.68 x 73.90 x 7.29
Weight (g)178.00176.00
IP ratingIP65-
Battery capacity (mAh)55204000
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursBlack, Glacier Blue, and Mist PurpleArctic White, Dusk Blue, Sunset Dazzle
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.44
TouchscreenYesYes
Resolution1080x2392 pixels1080x2404 pixels
Protection typeGorilla Glass 7i-
Aspect ratio16:920:9
hardware
Processor makeQualcomm Snapdragon 6 Gen 3MediaTek Dimensity 800U
RAM8GB8GB
Internal storage128GB, 256GB128GB, 256GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1TB1000
Processor-octa-core
Dedicated microSD slot-Yes
camera
Rear camera108-megapixel + 8-megapixel64-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Front camera20-megapixel44-megapixel (f/2.0)
No. of Front Cameras11
Rear autofocus-Yes
Rear flash-Yes
Front flash-Yes
software
Operating systemAndroid 15Android 11
SkinHyperOS 2Funtouch OS 11.1
connectivity
Wi-FiYesYes
BluetoothYesYes, v 5.10
NFCYes-
USB Type-CYesYes
GPS-Yes
USB OTG-Yes
Number of SIMs-2
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
In-Display Fingerprint Sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes

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