AMD Phenom II X4 945 vs Intel Xeon E5-2680 v3. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Phenom II Intel Xeon E5
• Generation
  4 5
• CPU group
  AMD Phenom II - 800/900 Intel Xeon E5 v3
• Successor
  -- Intel Xeon E5-2680 v4

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
  3.00 GHz 2.50 GHz
• CPU Cores
  4 12
• Turbo (1 Core)
  No turbo 3.30 GHz
• CPU Threads
  4 24
• Hyperthreading
  No Yes
• Overclocking
  Yes 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 E5-2680 v3 and AMD Phenom II X4 945. Depending on the motherboards, higher or lower memory frequencies may be supported.

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

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Phenom II X4 945 and Intel Xeon E5-2680 v3 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 120 W

Architecture, interfaces, additional instructions supported by AMD Phenom II X4 945 and AMD Phenom II X4 945, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE3, SSE4a SSE4.1, SSE4.2, AVX2
• L3-Cache
  6.00 MB 30.00 MB
• Architecture
  Deneb (K10) Haswell E
• Technology
  45 nm 22 nm
• Socket
  AM3 LGA 2011-3
• Release date
  Q2/2009 Q3/2014