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OPPO Reno 15 vs Vivo U3x comparison

 Sponsored Compare OPPO Reno 15
OPPO Reno 15
Compare Vivo U3x
Vivo U3x
key specs
Display6.32-inch6.35-inch
ProcessorMediaTek Dimensity 8450Qualcomm Snapdragon 665
Front Camera50-megapixel 8-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel 13-megapixel + 8-megapixel + 2-megapixel
RAM12GB3GB
Storage256GB32GB
Battery Capacity6200mAh5000mAh
OSAndroid 16Android 9 Pie
Resolution1216x2640 pixels720x1544 pixels
general
BrandOPPOVivo
ModelReno 15U3x
Release dateJanuary 8, 2026September 24, 2019
AI EnabledYes-
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)151.21 x 72.42 x 8.13159.43 x 76.77 x 8.92
Weight (g)188.00190.50
IP ratingIP69-
Battery capacity (mAh)62005000
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
Wireless chargingNo-
ColoursAurora Blue, Twilight Blue, Aurora WhiteDeep Lake Blue, Red Tea Red, Midnight Black
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.35
TouchscreenYesYes
Resolution1216x2640 pixels720x1544 pixels
Pixels per inch (PPI)450-
Aspect ratio-19.5:9
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 8450Qualcomm Snapdragon 665
RAM12GB3GB
Internal storage256GB32GB
Expandable storageNoYes
Expandable storage typeNomicroSD
Dedicated microSD slotNoYes
Expandable storage up to (GB)-256
camera
Rear camera200-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/2.8)13-megapixel (f/2.2) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Front camera50-megapixel (f/2.0)8-megapixel (f/1.8)
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android 9 Pie
SkinColorOS 16Funtouch OS 9.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax-
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYes-
InfraredYes-
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYesYes
Micro-USB-Yes
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Face unlockYesYes
In-Display Fingerprint SensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
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