Intel Xeon E3-1275 v3 vs Intel Xeon E3-1280 v3. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Xeon E3 Intel Xeon E3
• Generation
  4 4
• CPU group
  Intel Xeon E3 v3 Intel Xeon E3 v3

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.

• Frequency
  3.50 GHz 3.60 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  3.90 GHz 4.00 GHz
• CPU Threads
  8 8
• Turbo (4 Cores)
  3.90 GHz 4.00 GHz
• Hyperthreading
  Yes Yes
• Overclocking
  No No
• Core architecture
  normal normal

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
  Intel HD Graphics P4600 no iGPU
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  1.25 GHz No turbo
• Execution units
  20
• Shader
  160
• Max. GPU Memory
  2 GB --
• Max. displays
  3
• Generation
  7.5
• DirectX Version
  11.1
• Technology
  22 nm
• Release date
  Q2/2013

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
  Decode / Encode No
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  Decode / Encode No
• VC-1
  Decode No
• JPEG
  Decode No

Overview of the types and quantities of RAM supported by Intel Xeon E3-1280 v3 and Intel Xeon E3-1275 v3. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR3-1600 DDR3-1600
• ECC
  Yes Yes
• Memory channels
  2 2
• PCIe version
  3.0
• PCIe lanes
  16

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Xeon E3-1275 v3 and Intel Xeon E3-1280 v3 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  84 W 82 W

Information on architecture, interfaces, and additional instructions supported by Intel Xeon E3-1275 v3 and Intel Xeon E3-1280 v3, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
• L3-Cache
  8.00 MB 8.00 MB
• Architecture
  Haswell S Haswell S
• Technology
  22 nm 22 nm
• Socket
  LGA 1150 LGA 1150
• Release date
  Q2/2013 Q2/2013