Apple A11

Apple A11 Bionic
General information
LaunchedSeptember 12, 2017 (2017-09-12)
DiscontinuedApril 15, 2020 (2020-04-15)
Designed byApple Inc.
Common manufacturer
Product codeAPL1W72
Max. CPU clock rateto 2.38  GHz
Cache
L1 cache64 KB instruction, 64 KB data
L2 cache8 MB
Architecture and classification
ApplicationMobile
Technology node10 nm (10FF)
Microarchitecture"Monsoon" and "Mistral"
Instruction setA64 ARMv8.2-A
Physical specifications
Transistors
  • 4.3 billion
Cores
GPUApple-designed 3 core
History
PredecessorsApple A10 Fusion (iPhone)
Apple A10X Fusion (iPad)
SuccessorApple A12 Bionic

The Apple A11 Bionic is a 64-bit ARM-based system on a chip (SoC) designed by Apple Inc., part of the Apple silicon series, and manufactured by TSMC. It was only used in the iPhone 8 and 8 Plus, and iPhone X which were introduced on September 12, 2017. Apple states that the two high-performance cores are 25% faster than the Apple A10's and the four high-efficiency cores are up to 70% faster than the two corresponding cores in the A10. The A11 Bionic chip was discontinued on April 15, 2020, following the discontinuation of the iPhone 8 and 8 Plus. The latest software update for the iPhone 8 & 8 Plus and iPhone X using this chip was iOS 16.7.10, released on September 3, 2024.