The camera of Xiaomi Poco F1 is better than the camera of the Nokia 7.1 Plus and it is quite obvious also as processor makes most of the difference in a smartphone and the Xiaomi Poco F1 does come with a very best processor.
The Xiaomi Poc F1 has a dual-camera setup of 12 MP + 5 MP at the back and 20 MP at the front.
The Nokia 7.1 Plus has a dual-camera setup of 12 MP + 5 MP at the back and 8 MP at the front.
Check their full comparison Xiaomi Poco F1 or Nokia 7.1 Plus
The Nokia 7.1 Plus is a better phone than the Realme 3 Pro in terms of specifications but it is much more expensive as well. So, a better deal would be the Realme 3 Pro.
Processor: Both the phones come with the Qualcomm Snapdragon 710 processor.
Camera: The Nokia 7.1 Plus has a camera of 12 MP + 13 MP with F1.8 aperture whereas the Realme 3 Pro has a camera of 16 MP + 5 MP with F1.8 aperture.
Check Full Comparison Nokia 7.1 Plus and Realme 3 Pro
Nokia 7.1 Plus is expected to launch in mid-December 2018. It will have a Octa core (1.8 GHz, Quad Core + 1.6 GHz, Quad core) Snapdragon 636 processor coupled with a 4 GB RAM.
Specs: Nokia 7.1 Plus
Nokia 7.1 Plus and Oppo F9 Pro have similar features and nearly same price. Oppo F9 Pro is just a bit costlier.
Considering the features, Oppo F9 Pro has a bit higher resolution front camera and more RAM. On the other hand, Nokia 7.1 Plus has a better pair of dual primary camera.
You can look at detailed comparison here and choose the one that suits you: OPPO F9 Pro vs Nokia 7.1 Plus