AMD Epyc 7663 vs Intel Xeon Gold 6338. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Epyc Intel Xeon Gold
• Generation
  3 3
• CPU group
  AMD Epyc 7003 Intel Xeon Gold 5300/6300

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  2.00 GHz 2.00 GHz
• CPU Cores
  56 32
• Turbo (1 Core)
  3.50 GHz 3.20 GHz
• CPU Threads
  112 64
• Hyperthreading
  Yes Yes
• Overclocking
  No No
• Core architecture
  normal normal

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

• GPU name
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by Intel Xeon Gold 6338 and AMD Epyc 7663. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-3200
• Max. Memory
  6144 GB
• ECC
  Yes Yes
• Memory channels
  8 8
• PCIe version
  4.0 4.0
• PCIe lanes
  128 64

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Epyc 7663 and Intel Xeon Gold 6338 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  240 W 205 W
• TDP down
  225 W --

Architecture, interfaces, additional instructions supported by AMD Epyc 7663 and AMD Epyc 7663, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2, AVX-512
• L3-Cache
  256.00 MB 48.00 MB
• Architecture
  Milan (Zen 3) Ice Lake
• Technology
  7 nm 10 nm
• Socket
  SP3 LGA 4189
• Release date
  Q1/2021 Q2/2021