AMD Ryzen 9 PRO 5945 vs Apple A9X. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• CPU group
  AMD Ryzen 5000U Apple A9/A9X
• Family
  Ryzen PRO Apple A series
• Form Factor
  Desktops -
• Generation
  4 9
• Predecessor
  - Apple A8X
• Segment
  Mobile Mobile
• Series
  Ryzen PRO 5000 Series -
• Successor
  - Apple A10X Fusion

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  3 GHz 2.16 GHz
• Core architecture
  normal normal
• Core Configuration
  12x -
• CPU Cores
  12 2
• CPU Threads
  24 2
• Hyperthreading / SMT
  Yes No
• Max. Boost Clock
  4.7 GHz -
• Overclocking
  No No
• Turbo Frequency (1 Core)
  4.7 GHz 2.26 GHz
• A-Core
  - 2x Twister
• Turbo Frequency (2 Cores)
  - 2.26 GHz

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• Execution units
  - 12
• Generation
  - 6
• GPU Frequency
  - 650 MHz
• GPU name
  no iGPU Apple A9X
• GPU Turbo
  No turbo No turbo
• Max. displays
  - 1
• Max. GPU Memory
  - 4 GB
• Release date
  - Q3/2015
• Shader
  - 384
• Technology
  - 16 nm

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No No
• H.264 / AVC
  No Conflicting source values: Decode | Decode / Encode
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  No Decode / Encode
• VC-1
  No Decode
• VP8
  No Decode
• VP9
  No No

Types, channel quantity of RAM supported by Apple A9X and AMD Ryzen 9 PRO 5945. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  64 GB 4 GB
• Memory Bandwidth
  51.2 GB/s -
• Memory channels
  2 2
• Memory type
  DDR4 LPDDR4-3200
• PCIe
  PCIe 4.0 -
• System Memory Specification
  3200 -

• AES-NI
  Yes No

Compare the TDP requirements of TDP AMD Ryzen 9 PRO 5945 and Apple A9X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Default TDP
  65 W -
• Maximum Operating Temperature
  95 °C -
• TDP (PL1 / PBP, legacy combined label)
  65 W -
• TDP (PL1, legacy label)
  - 8 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 PRO 5945 and Apple A9X, virtual machine technologies and process technology.

• Architecture
  Cezanne (Zen 3) A9
• Chip design
  Chiplet -
• Codename
  Vermeer -
• Documents
  Technical data sheet -
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 -
• L1-Cache
  0.75 MB -
• L2-Cache
  6 MB 3 MB
• L3-Cache
  64 MB -
• Manufacturer product ID (tray)
  100-000000831 -
• Official source
  https://www.amd.com/en/products/specifications/processors.html -
• Operating systems
  Conflicting source values: Windows 10, Windows 11, Linux | Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition -
• Part Number
  100-000000831 -
• Release date
  Q3/2022 Q3/2015
• Socket
  AM4 -
• Technology
  TSMC 7nm FinFET 16 nm
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. -
• Verified on
  2026-10-01 -
• Virtualization
  AMD-V, SVM None