iQOO 15 vs Vivo U3x comparison

Compare iQOO 15
Compare 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
Display6.85-inch6.35-inch
ProcessorSnapdragon 8 Elite Gen 5Qualcomm Snapdragon 665
Front Camera32-megapixel 8-megapixel
Rear Camera50-megapixel + 50-megapixel + 50-megapixel 13-megapixel + 8-megapixel + 2-megapixel
RAM12GB, 16GB3GB
Storage256GB, 512GB32GB
Battery Capacity7,000mAh5000mAh
OSAndroid 16Android 9 Pie
Resolution1,440x3,168 pixels720x1544 pixels
general
BrandiQOOVivo
Model15U3x
Release dateOctober 20, 2025September 24, 2019
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)163.65 x 76.80 x 8.10159.43 x 76.77 x 8.92
Weight (g)215.00190.50
Battery capacity (mAh)7,0005000
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)Deep Lake Blue, Red Tea Red, Midnight Black
display
Refresh Rate144 Hz-
Screen size (inches)6.856.35
TouchscreenYesYes
Resolution1,440x3,168 pixels720x1544 pixels
Aspect ratio19.8:919.5:9
Pixels per inch (PPI)508-
hardware
Processor4.6GHz MHz octa-coreocta-core
Processor makeSnapdragon 8 Elite Gen 5Qualcomm Snapdragon 665
RAM12GB, 16GB3GB
Internal storage256GB, 512GB32GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.65) + 50-megapixel (f/2.05)13-megapixel (f/2.2) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Front camera32-megapixel (f/2.2)8-megapixel (f/1.8)
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android 9 Pie
SkinOriginOS 6Funtouch OS 9.1
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 6.00Yes, v 5.00
USB Type-CYes-
Micro-USB-Yes
Headphones-3.5mm
FM-Yes
Number of SIMs-2
Active 4G on both SIM cards-Yes
sensors
In-Display Fingerprint SensorYes-
Face unlock-Yes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-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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