First, the Similarity of both of these phones are that both phones are having waterdrop notch display and both are powered by Media Tek’s Helio P60 Chipset and both phone’s Company offers 6GB of RAM. As the Oppo F9 Pro include VOOC fast charging and having 25MP front facing camera sesnor with waterdrop notch display and Oppo offers 6GB of RAM in it, on the other hand Vivo V11 also includes waterdrop notch display as same as the Oppo F9 Pro. Vivo V11 also having vertically paired Dual Cameras and supports 18W Charging.
Oppo F9 Pro and Vivo V11 both the phones supports Dual SIM Cards. Oppo F9 Pro offers 6.3-inch full HD screen having 1080×2340 Pixels resolution display with 19.5:9 aspect ratio. While the Vivo V11 comes with the same 6.3-inch screen with a resolution 1080×2280 Pixels with 19:9 aspect ratio. Both of these phones Runs on Android 8.1 Oreo , but in which Oppo F9 Pro generally runs the custom ColorOS5.2 and the Vivo V11 has FunTouch OS 4.5.
Both of these phones comes with the dual rear camera setup. In which the Oppo F9 Pro has 16MP primary sensor with f/1.8 aperature and 2MP sensor with f/2.4 aperature and it sports 25MP senor of Front Facing camera. On the other hand Vivo V11 sports 16MP of primary sensor and 5MP of Secondary sensor on the back and it also has the similar front facing camera which is of 25MP sensor with AI Based features. Oppo F9 Pro packed with 3,500mAh battery which also supports VOOC fast charging technology. The Vivo V11 is packed by 3,315mAh battery which also supports 18W of quick charging, both are having fingerprint sensor on the back and it also Supports Software based face unlock technology. Oppo F9 Pro is priced at Rs 23,990 for the 6GB/64GB of storage variant in India and it is available in Starry Purple, Sunrise Red, and Twilight Blue Colour options. While the Vivo V11 is Priced at Rs 22,990 in India and it is available in Nebula Purple and Starry Night colour options