AMD Phenom II X4 955 vs Intel Xeon E5-2620 v4. Specifications, performance, tests

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

• CPU group
  AMD Phenom II - 800/900 Intel Xeon E5 v4
• Family
  AMD Phenom II Intel Xeon E5
• Generation
  4 6
• Predecessor
  - Intel Xeon E5-2620 v3
• 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 2.1 GHz
• Core architecture
  normal normal
• CPU Cores
  4 8
• CPU Threads
  4 16
• Hyperthreading / SMT
  No Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  No turbo 3 GHz
• Turbo Frequency (4 Cores)
  No turbo -
• Turbo Frequency (8 Cores)
  - 2.6 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 Intel Xeon E5-2620 v4 and AMD Phenom II X4 955. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Memory channels
  2 4
• Memory type
  DDR2-1066 DDR4-2133
• PCIe lanes
  - 40
• PCIe version
  - 3.0

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Phenom II X4 955 and Intel Xeon E5-2620 v4 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  125 W 85 W

Architecture, interfaces, additional instructions supported by AMD Phenom II X4 955 and Intel Xeon E5-2620 v4, virtual machine technologies and process technology.

• Architecture
  Deneb (K10) Broadwell E
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE3, SSE4a SSE4.1, SSE4.2, AVX2
• L3-Cache
  6 MB 20 MB
• Release date
  Q2/2009 Q1/2016
• Socket
  AM3 LGA 2011-3
• Technology
  45 nm 14 nm
• Virtualization
  AMD-V VT-x, VT-x EPT, VT-d