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Vivo X300 Ultra vs Vivo U3 comparison

 Compare Vivo X300 Ultra
Vivo X300 Ultra
Compare Vivo U3
Vivo U3
key specs
Display6.82-inch6.53-inch
ProcessorSnapdragon 8 Elite Gen 5Qualcomm Snapdragon 675
Front Camera50-megapixel 16-megapixel
Rear Camera200-megapixel + 50-megapixel + 200-megapixel 16-megapixel + 8-megapixel + 2-megapixel
RAM12GB4GB
Storage256GB128GB
Battery Capacity6600mAh5000mAh
OSAndroid 16Android 9 Pie
Resolution1440x3168 pixels1080x2340 pixels
general
BrandVivoVivo
ModelX300 UltraU3
Release dateMarch 30, 2026October 21, 2019
AI EnabledYes-
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)162.98 x 76.81 x 8.19162.15 x 76.47 x 8.89
Weight (g)232.00193.00
Battery capacity (mAh)66005000
Removable batteryNoNo
Fast charging100W Fast ChargingProprietary
Wireless chargingYesNo
Wireless Charging Type40W-
ColoursBlack, Film Green, Silver Tone (translated from Chinese)Spar Blue, Agate Black, Onion Blue
display
Refresh Rate144 Hz-
Screen size (inches)6.826.53
TouchscreenYesYes
Resolution1440x3168 pixels1080x2340 pixels
Aspect ratio19.8:919.5:9
Pixels per inch (PPI)510394
hardware
Processorocta-coreocta-core
Processor makeSnapdragon 8 Elite Gen 5Qualcomm Snapdragon 675
RAM12GB4GB
Internal storage256GB128GB
Expandable storage-Yes
Expandable storage type-microSD
camera
Rear camera200-megapixel (f/1.85) + 50-megapixel (f/2.0) + 200-megapixel (f/2.67)16-megapixel (f/1.78) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Rear flashYesYes
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Front camera50-megapixel (f/2.45)16-megapixel (f/2.0)
Rear autofocus-Yes
software
Operating systemAndroid 16Android 9 Pie
SkinOriginOS 6Funtouch OS 9
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes
NFCYes-
InfraredYes-
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYesYes
Micro-USB-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Face unlock-Yes
Fingerprint 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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