Intel Xeon w5-2455X vs AMD EPYC 9454. Specifications, performance, tests

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

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

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.

• CPU Cores / Threads
  12 / 24 48 / 96
• Core architecture
  normal normal
• Cores
  12x 48x Zen 4
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Frequency
  3.20 GHz 2.75 GHz
• Turbo Frequency (1 Core)
  4.60 GHz 3.80 GHz

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

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

Overview of the types and quantities of RAM supported by AMD EPYC 9454 and Intel Xeon w5-2455X. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR5-4800 DDR5-4800
• Max. Memory
  2048 GB 6144 GB
• Memory channels
  4 (Quad Channel) 12
• Bandwidth
  153.6 GB/s 461.0 GB/s
• ECC
  Yes Yes
• PCIe
  5.0 x 64 5.0 x 128
• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Xeon w5-2455X and AMD EPYC 9454 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP up
  240 W 300 W
• TDP down
  -- 240 W
• Tjunction max.
  100 °C 100 °C

Information on architecture, interfaces, and additional instructions supported by Intel Xeon w5-2455X and AMD EPYC 9454, including virtual machine technologies and fabrication processes.

• Technology
  10 nm 5 nm
• Chip design
  Monolithic Chiplet
• Socket
  LGA 4677 SP5
• L2-Cache
  -- 48.00 MB
• L3-Cache
  30.00 MB 256.00 MB
• Architecture
  Sapphire Rapids-WS Genoa (Zen 4)
• Operating systems
  Windows 11, Windows Server, Linux Windows Server 2022, Linux, Windows 11
• Virtualization
  VT-x, VT-x EPT, VT-d, VT-rp, vPro Enterprise AMD-V, SVM
• 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
• Release date
  Q1/2023 Q4/2022
• Release price
  1039 $ 5225 $
• Part Number
  -- 100-000000478
• Documents
  Technical data sheet Technical data sheet