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Redmi Note 15 SE 5G vs Vivo X21 comparison

 Compare Redmi Note 15 SE 5G
Redmi Note 15 SE 5G
Compare Vivo X21
Vivo X21
key specs
Display6.77-inch6.28-inch
ProcessorQualcomm Snapdragon 6 Gen 3Qualcomm Snapdragon 660
Front Camera20-megapixel 12-megapixel
Rear Camera50-megapixel + 2-megapixel12-megapixel + 5-megapixel
RAM6GB, 8GB6GB
Storage128GB, 256GB128GB
Battery Capacity5800mAh3200mAh
OSAndroid 15Android 8.1
Resolution1,080x2,392 pixels1080x2280 pixels
general
BrandRedmiVivo
ModelNote 15 SE 5GX21
Release dateApril 2, 2026March 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)164.00 x 75.42 x 7.35154.50 x 74.80 x 7.40
Weight (g)178.00156.20
IP ratingIP65-
Battery capacity (mAh)58003200
Removable batteryNoNo
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursCarbon Black, Crimson Reserve, and Frosted WhiteBlack, Gold
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.28
TouchscreenYesYes
Resolution1,080x2,392 pixels1080x2280 pixels
Aspect ratio-19:9
hardware
Processorocta-core2.2GHz octa-core
Processor makeQualcomm Snapdragon 6 Gen 3Qualcomm Snapdragon 660
RAM6GB, 8GB6GB
Internal storage128GB, 256GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1024256
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
No. of Rear Cameras2-
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera20-megapixel (f/2.2)12-megapixel (f/2.0)
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 15Android 8.1
SkinHyperOS 2FunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.10Yes, v 5.00
USB Type-CYes-
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
NFC-No
Infrared-No
USB OTG-Yes
Micro-USB-Yes
Headphones-3.5mm
FM-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
In-Display Fingerprint SensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Gyroscope-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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