Apple A13 has 8.5 billion transistors

@ 2019/09/11
2nd gen 7nm, new architecture

Apple’s new iPhone 11 and iPhone 11 Pro and Pro Max are coming with A13 bionic, the second-generation 7nm process manufactured SoC.

Apple A13 Bionic is the heart of iPhone 11, the new iPhone XR colorful successor, as well as flagship iPhone 11 Pro and iPhone 11 Pro Max described in detail at these links.

Apple spent unusually little time disclosing things about the SoC but here are the few key specs. It did mention that the SoC comes with six CPU cores, two performance, and four efficiency cores. They are all ARM-based and custom Apple design. According to Sri Santhanam VP of silicon Engineering performance cores are 20 percent faster with 30 percent lower power while the four efficiency cores are 20 percent faster with forty percent lower power compared to the A12 first-generation 7nm SoC from the iPhone Xs.

Sri is talking about a large number of different blocks in the SoC that can be turned on and off very fast as well as clocked at the right level. These architectural changes should contribute a lot to power saving in theA13 but honestly, this is nothing that we haven’t seen before in the SoC. Maybe we are missing some more information.
GPU optimized for Metal

GPU is optimized for Metal API, and Apple has been pushing this one to its loyal developer. The GPU has four cores on a new microarchitecture, and it is 20 percent faster than the previous generation. At the same time, Apple claims 40 percent power reduction.

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