Vivo X300 Ultra vs Oppo R15x comparison

Show Only Differences Highlight Differences	Vivo X300 Ultra	Oppo R15x
key specs
Display	6.82-inch	6.40-inch
Processor	Snapdragon 8 Elite Gen 5	Qualcomm Snapdragon 660
Front Camera	50-megapixel	25-megapixel
Rear Camera	200-megapixel + 50-megapixel + 200-megapixel	16-megapixel + 2-megapixel
RAM	12GB	6GB
Storage	256GB	128GB
Battery Capacity	6600mAh	3500mAh
OS	Android 16	Android Oreo
Resolution	1440x3168 pixels	-
general
Brand	Vivo	Oppo
Model	X300 Ultra	R15x
Release date	March 30, 2026	November 1, 2018
AI Enabled	Yes	-
Launched in India	No	-
Form factor	Touchscreen	-
Dimensions (mm)	162.98 x 76.81 x 8.19	-
Weight (g)	232.00	-
Battery capacity (mAh)	6600	3500
Removable battery	No	-
Fast charging	100W Fast Charging	-
Wireless charging	Yes	-
Wireless Charging Type	40W	-
Colours	Black, Film Green, Silver Tone (translated from Chinese)	Nebula, Ice Blue
display
Refresh Rate	144 Hz	-
Screen size (inches)	6.82	6.40
Touchscreen	Yes	Yes
Resolution	1440x3168 pixels	-
Aspect ratio	19.8:9	-
Pixels per inch (PPI)	510	-
hardware
Processor	octa-core	octa-core
Processor make	Snapdragon 8 Elite Gen 5	Qualcomm Snapdragon 660
RAM	12GB	6GB
Internal storage	256GB	128GB
camera
Rear camera	200-megapixel (f/1.85) + 50-megapixel (f/2.0) + 200-megapixel (f/2.67)	16-megapixel + 2-megapixel
No. of Rear Cameras	3	-
Rear flash	Yes	-
Lens Type (Second Rear Camera)	Ultra Wide-Angle	-
Lens Type (Third Rear Camera)	Telephoto	-
Front camera	50-megapixel (f/2.45)	25-megapixel
software
Operating system	Android 16	Android Oreo
Skin	OriginOS 6	ColorOS 5.2
connectivity
Wi-Fi 7	Yes	-
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes
NFC	Yes	-
Infrared	Yes	-
USB Type-C	Yes	-
Headphones	Type-C	3.5mm
Number of SIMs	2	-
Active 4G on both SIM cards	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	-
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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