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A12X Bionic - Apple
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A12X Bionic
General Info
Model NumberA12X Bionic
Part NumberT8027
IntroductionOctober 30, 2018 (announced)
November 7, 2018 (launched)
General Specs
Frequency2,500 MHz (big), 1,590 MHz (little)
Core NameVortex, Tempest, Chinook
Process7 nm
Die122 mm²
N/A × N/A
Word Size64 bit
Max SMP1-Way (Uniprocessor)

A12X Bionic, also known as Apple H11G and codenamed Aruba, is a 64-bit octa-core ARM mobile system on a chip introduced by Apple in late 2018 as a successor to the A10X.


Fabricated on TSMC 7 nm process and integrating over 10 billion transistors, the A12X features four big Vortex cores along with four little Tempest high-efficiency cores. Apple claims that single-core performance is 35% faster than the A10X, while the increased core count improves multi-core performance by up to 90%. All eight cores can operate concurrently.

The A12X features an Apple-designed graphics processor that is said to deliver twice the performance of the A10X, and Apple's neural processor makes its first appearance in an A_X-series chip.

Apple A12X


The A12X incorporates Apple's image signal processor (ISP), codename Petra. The ISP is said to deliver a faster depth engine and improved video processor.

Integrated Graphics

The A12X incorporates an Apple-designed graphics processor which features tessellation, multi-layer rendering, and lossless memory compression. The GPU is a seven-core design and is said to deliver twice the performance of the A10X. Apple characterizes this as "Xbox One S-class graphics performance".

Neural Engine

The A12X chip features a neural engine codenamed Quin. The engine is capable of processing 5 trillion 8-bit operations per second, identical to the A12. Apple states this is an 8-core design, an increase from the A11's dual-core NPU.

Utilizing devices

  • iPad Pro 11"
  • iPad Pro 12.9" (3rd gen)


  • Apple Keynote. (October 30, 2018). Apple Special Event.
Facts about "A12X Bionic - Apple"
core count8 +
core nameVortex +, Tempest + and Chinook +
designerApple +
die area122 mm² (0.189 in², 1.22 cm², 122,000,000 µm²) +
familyAx +
first announcedOctober 30, 2018 +
first launchedNovember 7, 2018 +
full page nameapple/ax/a12x +
instance ofmicroprocessor +
isaARMv8.3 +
isa familyARM +
ldateNovember 7, 2018 +
manufacturerTSMC +
market segmentMobile +
max cpu count1 +
model numberA12X Bionic +
nameA12X Bionic +
part numberT8027 +
process7 nm (0.007 μm, 7.0e-6 mm) +
smp max ways1 +
technologyCMOS +
thread count8 +
transistor count10,000,000,000 +
used byiPad Pro 11" + and iPad Pro 12.9" (3rd gen) +
word size64 bit (8 octets, 16 nibbles) +