The Silicon Vault.

Decoded: The proprietary architecture powering the 2025 ecosystem.

Updated: December 2025

Architecture Hierarchy

Apple Silicon is built on a unified memory architecture. The A-Series (Mobile) serves as the architectural foundation. The M-Series (Desktop) scales this foundation with additional performance cores and wider memory channels.

M-Series

Desktop Intelligence

The M-Series revolutionized the PC industry with unified memory. The latest M5 generation introduces GPU-based Neural Accelerators.

M5 Family
3rd-Gen 3nm • AI GPU
M4 Family
Tandem OLED Engine
M3 Family
Hardware Ray Tracing
See M-Series Macs

A-Series

Mobile Dominance

The brain of the iPhone. The A19 Pro features the "Apple10" GPU architecture.

A19 Pro
Vapor Chamber • 3nm
A18 Pro
Apple Intelligence Core
See iPhones

S-Series

SiP Architecture

A marvel of miniaturization. The S10 SiP integrates a 4-core Neural Engine.

S10 SiP
On-Device Siri • Health
See Watches

R-Series

Real-Time Input

The R1 chip processes data from 12 cameras within 12ms to eliminate motion sickness.

R1 Chip
12ms Latency • 256GB/s
See Vision Pro

U-Series

Ultra Wideband

The "GPS for your living room." The U2 chip enables Precision Finding.

U2 Chip
3x Range • Precision Find
See Accessories

H-Series

Computational Audio

Powering AirPods. The H2 chip manages computational audio and ANC.

H2 Chip
Adaptive ANC • Low Latency
See Audio

Common Questions

What is the Apple M5 chip?
Released in late 2025, the M5 is Apple's latest desktop-class SoC built on a 3rd-generation 3nm process. It features dedicated Neural Accelerators in the GPU for advanced AI workflows.
How fast is the A19 Pro chip?
The A19 Pro utilizes the new 'Apple10' GPU architecture, delivering significant gains in ray-tracing and sustained performance for console-quality gaming on iPhone.
What is the difference between M-Series and A-Series?
The A-Series is designed for mobile efficiency (iPhone) with passive cooling limits. The M-Series scales this architecture up for desktops (Mac) with higher core counts, wider memory bandwidth, and active cooling support.
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