This question requires more information to give an accurate answer. What currency does the 9000e stand for? Apple a stands for which Apple product?
If 9000e refers to the euro, it is equivalent to about ￡6,954 or $9,628. If Apple a is referring to the latest iPhone 12 Pro Max, it starts at $1,099, so the 9000e equates to about 824 iPhone 12 Pro Max units. However, it is important to note that this is a simple calculation and the actual price may vary depending on the region, taxes and other factors.
Equivalent to Apple's A13
In terms of overall performance, Kirin 9000 will be slightly worse than Apple's A13, but the difference will not be very large, overall it is similar, after all, Kirin 9000 and Snapdragon 888 ratio is similar.