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Redmi 15 5G vs Vivo V21 comparison

 Compare Redmi 15 5G
Redmi 15 5G
Compare Vivo V21
Vivo V21
key specs
Display6.90-inch6.44-inch
Front Camera8-megapixel 44-megapixel
Rear Camera50-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM6GB, 8GB8GB
Storage128GB, 256GB128GB
Battery Capacity7000mAh4000mAh
OSAndroid 15Android 11
Resolution1080x2340 pixels1080x2404 pixels
Processor-MediaTek Dimensity 800U
general
BrandRedmiVivo
Model15 5GV21
Release dateAugust 19, 2025April 27, 2021
AI EnabledYes-
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)168.48 x 80.45 x 8.40159.68 x 73.90 x 7.29
Weight (g)217.00176.00
IP ratingIP64-
Battery capacity (mAh)70004000
Fast charging33W Fast ChargingProprietary
ColoursFrosted White, Midnight Black, Sandy PurpleArctic White, Dusk Blue, Sunset Dazzle
display
Refresh Rate144 Hz-
Resolution StandardFHD+-
Screen size (inches)6.906.44
TouchscreenYesYes
Resolution1080x2340 pixels1080x2404 pixels
Pixels per inch (PPI)374-
Aspect ratio-20:9
hardware
Processor makeQualcomm Snapdragon 6s Gen 3MediaTek Dimensity 800U
RAM6GB, 8GB8GB
Internal storage128GB, 256GB128GB
Processor-octa-core
Expandable storage-Yes
Expandable storage type-microSD
camera
Rear camera50-megapixel (f/1.75)64-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Rear flashYesYes
Front camera8-megapixel (f/2.2)44-megapixel (f/2.0)
No. of Front Cameras11
Rear autofocus-Yes
Front flash-Yes
software
Operating systemAndroid 15Android 11
SkinHyperOS 2.0Funtouch OS 11.1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.10
InfraredYes-
USB Type-CYesYes
Number of SIMs22
USB OTG-Yes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
In-Display Fingerprint Sensor-Yes
Ambient light sensor-Yes
Gyroscope-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
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