AMD Epyc 7643 vs Apple A12Z Bionic

Let's find out which one of AMD Epyc 7643 and Apple A12Z Bionic is of a more recent generation, and what segment it belongs to.

• Name
  AMD Epyc 7643 Apple A12Z Bionic
• Segment
  Desktop / Server Mobile
• Family
  AMD Epyc Apple A series
• Generation
  3 12
• CPU group
  AMD Epyc 7003 Apple A12/A12X/A12Z
• Predecessor
  AMD Epyc 7642 Apple A10X Fusion

In this block we are going to compare AMD Epyc 7643 vs Apple A12Z Bionic by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

• Frequency
  2.30 GHz 1.59 GHz
• CPU Cores
  48 8
• Turbo (1 Core)
  3.60 GHz 2.49 GHz
• CPU Threads
  96 8
• Hyperthreading
  Yes No
• Overclocking
  No No
• Core architecture
  normal hybrid (big.LITTLE)
• A core
  -- 4x Vortex
• B core
  -- 4x Tempest

Common specifications for integrated graphics cards in AMD Epyc 7643 and Apple A12Z Bionic along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  no iGPU Apple A12Z
• GPU frequency
  1.59 GHz
• GPU (Turbo)
  No turbo 2.49 GHz
• Execution units
  8
• Max. GPU Memory
  -- 6 GB
• Max. displays
  2
• Generation
  9
• DirectX Version
  --
• Technology
  7 nm
• Release date
  Q1/2020

Let's compare the support of video codecs between AMD Epyc 7643 and Apple A12Z Bionic. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• h264
  No Decode / Encode
• VP9
  No Decode / Encode
• VP8
  No Decode / Encode
• AV1
  No No
• AVC
  No Decode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

To choose the best model between AMD Epyc 7643 and Apple A12Z Bionic you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

• Memory type
  DDR4-3200 LPDDR4X-4266
• Max. Memory
  16 GB
• ECC
  Yes No
• Memory channels
  8 2
• PCIe version
  4.0
• PCIe lanes
  128

AES-NI encryption support for CPUs AMD Epyc 7643 and Apple A12Z Bionic.

• AES-NI
  Yes No

Let's find out what TDP value would be better for AMD Epyc 7643 or Apple A12Z Bionic? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

• TDP (PL1)
  280 W 15 W

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Epyc 7643 and Apple A12Z Bionic CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM None
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  -- 8.00 MB
• L3-Cache
  256.00 MB --
• Architecture
  Milan (Zen 3) A12
• Technology
  7 nm 7 nm
• Socket
  SP3 N/A
• Release date
  Q1/2021 Q1/2020

List of devices based on AMD Epyc 7643 and Apple A12Z Bionic.

• Used in
  Unknown Apple iPad Pro 2020