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iQOO 15 vs Vivo V21 comparison

 Compare iQOO 15
iQOO 15
Compare Vivo V21
Vivo V21
key specs
Display6.85-inch6.44-inch
ProcessorSnapdragon 8 Elite Gen 5MediaTek Dimensity 800U
Front Camera32-megapixel 44-megapixel
Rear Camera50-megapixel + 50-megapixel + 50-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM12GB, 16GB8GB
Storage256GB, 512GB128GB
Battery Capacity7,000mAh4000mAh
OSAndroid 16Android 11
Resolution1,440x3,168 pixels1080x2404 pixels
general
BrandiQOOVivo
Model15V21
Release dateOctober 20, 2025April 27, 2021
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)163.65 x 76.80 x 8.10159.68 x 73.90 x 7.29
Weight (g)215.00176.00
Battery capacity (mAh)7,0004000
Removable batteryNo-
Fast charging100W Fast ChargingProprietary
Wireless chargingYes-
Wireless Charging Type40W-
ColoursLegendary Edition, Track Edition, Lingyun, Wilderness, Honor of Kings 10th Anniversary Collector’s Edition (transalated from Chinese)Arctic White, Dusk Blue, Sunset Dazzle
display
Refresh Rate144 Hz-
Screen size (inches)6.856.44
TouchscreenYesYes
Resolution1,440x3,168 pixels1080x2404 pixels
Aspect ratio19.8:920:9
Pixels per inch (PPI)508-
hardware
Processor4.6GHz MHz octa-coreocta-core
Processor makeSnapdragon 8 Elite Gen 5MediaTek Dimensity 800U
RAM12GB, 16GB8GB
Internal storage256GB, 512GB128GB
Expandable storage-Yes
Expandable storage type-microSD
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.65) + 50-megapixel (f/2.05)64-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras33
Front camera32-megapixel (f/2.2)44-megapixel (f/2.0)
No. of Front Cameras11
Pop-Up CameraNo-
Rear autofocus-Yes
Rear flash-Yes
Front flash-Yes
software
Operating systemAndroid 16Android 11
SkinOriginOS 6Funtouch OS 11.1
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 6.00Yes, v 5.10
USB Type-CYesYes
USB OTG-Yes
Number of SIMs-2
sensors
In-Display Fingerprint SensorYesYes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-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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