It's 8mb. Level 1 cache is used to directly temporarily store CPU data to speed up the CPU, while level 2 cache and level 3 cache are respectively to level 1 cache and level 2 cache buffer speed, and the Apple A series processor is due to its powerful performance, so the role of level 3 cache is usually minimal. The A13 Bionic is a chip from Apple that is included in the iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), and ipad (2021). With two high-performance cores, speed is increased by 20%, power consumption is reduced by 30%; Four performance cores, also 20 percent faster and 40 percent less power.