Intel Core i5-8400T vs AMD Epyc 7551. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Core i5 AMD Epyc
• Generation
  8 1
• CPU group
  Intel Core i 8000 AMD Epyc 7001
• Predecessor
  Intel Core i5-7400T --
• Successor
  Intel Core i5-9400T AMD Epyc 7552

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  1.70 GHz 2.00 GHz
• CPU Cores
  6 32
• Turbo (1 Core)
  3.30 GHz 3.00 GHz
• CPU Threads
  6 64
• Hyperthreading
  No Yes
• Overclocking
  Yes No
• Core architecture
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Intel UHD Graphics 630 no iGPU
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  1.15 GHz No turbo
• Execution units
  24
• Shader
  192
• Max. GPU Memory
  64 GB --
• Max. displays
  3
• Generation
  9.5
• DirectX Version
  12
• Technology
  14 nm
• Release date
  Q4/2017

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by AMD Epyc 7551 and Intel Core i5-8400T. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-2666 DDR4-2666
• ECC
  No Yes
• Memory channels
  2 8
• PCIe version
  3.0 3.0
• PCIe lanes
  16 128

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Core i5-8400T and AMD Epyc 7551 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  95 W 180 W

Information on architecture, interfaces, and additional instructions supported by Intel Core i5-8400T and AMD Epyc 7551, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  9.00 MB 64.00 MB
• Architecture
  Coffee Lake S Naples (Zen)
• Technology
  14 nm 14 nm
• Socket
  LGA 1151-2 SP3
• Release date
  Q2/2018 Q3/2017