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File:Apple A18.jpg
Illustration of the Apple A18

The T8140a is the Apple A18 SoC.

It was unveiled on 9 September 2024 (2024-09-09) during the 'It's Glowtime' event.

The part number is ?.

Specifications

General

  • Manufacturer: TSMC
  • Clock rate: 4.044 GHz (performance cores), 2.424 GHz (efficient cores).
  • Core design: Tupai (according to sysctl hw.cpufamily), Apple Everest x 2 and Apple Sawtooth x 4 (according to device tree from both device tree file and ioreg)
  • Technology Node: 3nm (N3P?) FinFET
  • Instruction set: (ARMv9.2 w/o SVE) or say (ARMv8.7-A + SME2 and others), c.f. llvm commit for M4,
  • Architecture: ARM64e

Cache

  • L1i: 192 KB (performance cores), 128 KB (efficient cores).
  • L1d: 128 KB (performance cores), 64 KB (efficient cores).
  • L2: 16 MB (performance cores), 4 MB (efficient cores).
  • SLC: ? MB

GPU

  • Apple-designed 5-core GPU, 1470 MHz Max. (according to device-tree)

Memory (RAM)

  • 8 GB LPDDR5X-8533 (4267 MHz).

Devices