Not only will the Huawei Mate 30 Pro have two 40MP sensors, they will be massive too. The main camera keeps the 40MP 1/1.55" type sensor (with quad RYYB filter) from the P30 Pro, the second 40MP sensor goes behind the ultra wide-angle lens. It will be a 1/1.7" sensor - that's the same size as the P20 Pro main sensor! And as you can see in the image shared by @IceUniverse, both sensors are quite a bit larger than the main sensor that Samsung uses in the Galaxy S10 and Note10. In fact, Huawei has had the upper hand in terms of sensor size since early 2018 with the Huawei P20 Pro vs....
Source: https://www.gsmarena.com/huawei_mate_30_pro_will_have_two_large_40mp_sensors_on_the_back-news-38512.php
