The correct answer to this question is 3020 and 3040. The difference is that there is a numerical difference between the two numbers. Both of these numbers are four-digit natural numbers, and the digits in the tens of the four-digit natural numbers are not the same. We can use subtraction to figure out what the difference between them is. The calculation method is as follows :3040-3020=20, according to the four operation order, calculate the difference between them.
It is mainly 3020 Qualcomm chip external, 3040 chip built-in, and the parameters are also different.