AMD Epyc 7401 vs Intel Atom Z3745D

Let's find out which one of AMD Epyc 7401 and Intel Atom Z3745D is of a more recent generation, and what segment it belongs to.

• Name
  AMD Epyc 7401 Intel Atom Z3745D
• Segment
  Desktop / Server Mobile
• Family
  AMD Epyc Intel Atom
• Generation
  1 4
• CPU group
  AMD Epyc 7001 Intel Atom Z3700

In this block we are going to compare AMD Epyc 7401 vs Intel Atom Z3745D 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
  2.00 GHz 1.33 GHz
• CPU Cores
  24 4
• Turbo (1 Core)
  3.00 GHz 1.83 GHz
• CPU Threads
  48 4
• Hyperthreading
  Yes No
• Overclocking
  No No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in AMD Epyc 7401 and Intel Atom Z3745D along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  no iGPU Intel HD Graphics (Bay Trail GT1)
• GPU frequency
  0.31 GHz
• GPU (Turbo)
  No turbo 0.79 GHz
• Execution units
  4
• Shader
  32
• Max. GPU Memory
  -- 8 GB
• Max. displays
  2
• Generation
  7
• DirectX Version
  11.2
• Technology
  22 nm
• Release date
  Q3/2013

Let's compare the support of video codecs between AMD Epyc 7401 and Intel Atom Z3745D. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD Epyc 7401 and Intel Atom Z3745D 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
  DDR4-2666 DDR3L-1333 SO-DIMM
• Max. Memory
  2 GB
• ECC
  Yes No
• Memory channels
  8 1
• PCIe version
  3.0
• PCIe lanes
  128

AES-NI encryption support for CPUs AMD Epyc 7401 and Intel Atom Z3745D.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for AMD Epyc 7401 or Intel Atom Z3745D? 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)
  170 W 4 W
• Tjunction max.
  -- 90 °C

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Epyc 7401 and Intel Atom Z3745D CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2
• L3-Cache
  64.00 MB 2.00 MB
• Architecture
  Naples (Zen) Bay Trail
• Technology
  14 nm 22 nm
• Socket
  SP3 BGA 1380
• Release date
  Q3/2017 Q1/2014

List of devices based on AMD Epyc 7401 and Intel Atom Z3745D.

• Used in
  Unknown Unknown