比较 AMD Epyc 7551 与 AMD Epyc 7551

description_compare AMD Epyc 7551 and AMD EPYC Embedded 3255

• Name
  AMD Epyc 7551 AMD EPYC Embedded 3255
• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Epyc AMD EPYC
• Generation
  1 1
• CPU group
  AMD Epyc 7001 AMD EPYC Embedded 3000
• Successor
  AMD Epyc 7552 --

CPU Cores and Base Frequency

• Frequency
  2.00 GHz 2.50 GHz
• Overclocking
  No Yes
• Core architecture
  normal normal

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

• 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

• Memory type
  DDR4-2666 DDR4-2666
• Max. Memory
  512 GB
• ECC
  Yes Yes
• Memory channels
  8 2 (Dual Channel)

• TDP (PL1)
  180 W 55 W
• TDP down
  -- 25 W
• Tjunction max.
  -- 105 \xc2\xb0C

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  -- 4.00 MB
• L3-Cache
  64.00 MB 16.00 MB
• Architecture
  Naples (Zen) Snowy Owl (Zen)
• Technology
  14 nm 14 nm
• Socket
  SP3 SP4r2
• Release date
  Q3/2017 Q1/2018