Intel Xeon w5-2455X vs AMD EPYC 9634. Specifications, performance, tests

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

• CPU group
  Intel Xeon W-2400 AMD EPYC 9004
• Family
  Intel Xeon W AMD EPYC
• Generation
  12 4
• Predecessor
  Intel Xeon W-2255 -
• Segment
  Desktop / Server Desktop / Server

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

• Base Frequency
  3.2 GHz 2.25 GHz
• Core architecture
  normal normal
• Core Configuration
  12x 84x Zen 4
• CPU Cores
  12 84
• CPU Threads
  24 168
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  4.6 GHz 3.7 GHz
• Turbo Frequency (12 Cores)
  3.9 GHz -
• Turbo Frequency (84 Cores)
  - 3.1 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.

• 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.

• AV1
  No No
• H.264 / AVC
  No No
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  No No
• VC-1
  No No
• VP8
  No No
• VP9
  No No

Types, channel quantity of RAM supported by AMD EPYC 9634 and Intel Xeon w5-2455X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  2048 GB 6144 GB
• Memory Bandwidth
  153.6 GB/s 461 GB/s
• Memory channels
  4 (Quad Channel) 12
• Memory type
  DDR5-4800 DDR5-4800
• PCIe
  5.0 x 64 5.0 x 128

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Xeon w5-2455X and AMD EPYC 9634 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C 100 °C
• TDP (PL1 / PBP, legacy combined label)
  200 W -
• TDP down
  - 240 W
• TDP up
  240 W 300 W
• TDP (PL1, legacy label)
  - 290 W

Architecture, interfaces, additional instructions supported by Intel Xeon w5-2455X and AMD EPYC 9634, virtual machine technologies and process technology.

• Architecture
  Sapphire Rapids-WS Genoa (Zen 4)
• Chip design
  Monolithic Chiplet
• Documents
  Technical data sheet Technical data sheet
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512, AMX SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
• L2-Cache
  - 84 MB
• L3-Cache
  30 MB 384 MB
• Operating systems
  Windows 11, Windows Server, Linux Windows Server 2022, Linux, Windows 11
• Part Number
  - 100-000000797
• Release date
  Q1/2023 Q4/2022
• Release price
  1039 $ 10304 $
• Socket
  LGA 4677 SP5
• Technology
  10 nm 5 nm
• Virtualization
  VT-x, VT-x EPT, VT-d, VT-rp, vPro Enterprise AMD-V, SVM