Apple 64bit SOCs

Apple

Apple A7

• Dual Core
• Apple "Cyclone" architecture
• 1.3GHz
• PowerVR GPU
• 28nm Process

With shipment of iPhone 5s, Apple introduced in September 2013 its first ARMv8 64bit design on the market.
Use of 64bit CPU in Smartphones and Tablets surprised other companies and they are still busy trying to catch up.

Apple A8

• Dual Core
• Apple "Typhoon" architecture
• 1.4GHz
• PowerVR GPU Series 6XT GX6450 4way
• 20nm Process

Announced September 2014, used in iPhone 6.
About 25% faster than A7.

Apple A8X

• Triple Core
• Apple "Typhoon" architecture
• 1.5 GHz
• PowerVR GPU 8 way
• 20nm Process

Announced October 2014, used in iPad Air2 and iPad Mini3.
With slightly higher clock speed and additional cores about 50% faster then A7.

Apple A9

• Dual Core 
• Apple "Twister" architecture
• 1.85GHz
• PowerVR GPU with 6 shader kernels.
• Manufactured by Samsung (14mm)and TMSC(16mm)

Announced in September 2015, used in iPhone 6s and 6s Plus. These are the first iPhones which use 2GB RAM.

Apple A9X

• Dual Core
• Apple "Twister" architecture
• 2.26GHz
• PowerVR Series 7 CPU with 12 shader kernels.
• Manufactured by Samsung (14mm)and TMSC(16mm)

Announced in September 2015, used in iPad Pro.

Apple A10 Fusion

• Quad Core with two fast and two slow Cores
• 2.3GHz
• Manufactured by TMSC(16mm)

This next generation chip appeared in September 2016 when iPhone 7 was released. It seems that only TMSC will produce them and they still use 16nm process to manufacture them.

Apple A10X Fusion

• Hexa Core with three fast and three slow Cores
• 2.38GHz
• Manufactured by TMSC(10mm)

This variant of A10 is used in iPad Pro models.

Apple A11

This chip should appear in fall 2017 when iPhone 8 is released. According to rumours, only TMSC will produce them and they will use 10nm process to manufacture them.

Apple A12

This chip will appear in 2018. It seems it will be manufactured by Samsung in 7mm.