I have an iPhone 7. Run a test "Antutu benchmark" (The phone was connected to power) and it got "127823", according to their ranking, it should have "160864".

I have an iPhone 7. Run a test "Antutu benchmark" (The phone was connected to power) and it got "127823", according to their ranking, it should have "160864". 20% less. I would like to know, if this is the case or just coincidence.