The Xiaomi Poco M4 pro uses the Sony IMX471 camera sensor, but the Xiaomi Poco M4 5G doesn’t use this camera sensor. The OmniVision one used on the Xiaomi Poco M4 5G.
The Poco M4 5G has 50-megapixel primary camera and an 8-megapixel camera on the rear packs. For selfies, it has a 16-megapixel single front camera.