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List of Intel Xeon processors (Skylake-based)

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"Skylake-D" (14 nm)

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Xeon D-21xx (uniprocessor, SoC)

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"Skylake-S" (14 nm)

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Xeon E3-12xx v5 (uniprocessor)

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"Skylake-H" (14 nm) Mobile Workstation

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Xeon E3-15xx v5 (uniprocessor)

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"Skylake-W" (14 nm) Workstation

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Xeon W-21xx (uniprocessor)

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Xeon W-31xx (uniprocessor)

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"Skylake-SP" (14 nm) Scalable Performance

  • Support for up to 12 DIMMs of DDR4 memory per CPU socket
  • Xeon Platinum supports up to eight sockets; Xeon Gold supports up to four sockets; Xeon Silver and Bronze support up to two sockets
  • Xeon Platinum, Gold 61XX, and Gold 5122 have two AVX-512 FMA units per core; Xeon Gold 51XX (except 5122), Silver, and Bronze have a single AVX-512 FMA unit per core
  • -F: integrated OmniPath fabric
  • -M: Support 1536 GB RAM per socket vs 768 GB for non-M SKUs
  • -P: integrated FPGA
  • -T: High thermal-case and extended reliability
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Xeon Bronze and Silver (dual processor)

  • Xeon Bronze 31XX has no hyper-threading or Turbo Boost support
  • Xeon Bronze 31XX supports DDR4-2133 MHz RAM; Xeon Silver 41XX supports DDR4-2400 MHz RAM
  • Xeon Bronze 31XX and Xeon Silver 41XX support two UPI links at 9.6 GT/s
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Xeon Gold (quad processor)

  • Xeon Gold 51XX has two UPIs at 10.4 GT/s; Xeon Gold 61XX has three UPIs at 10.4 GT/s
  • Xeon Gold 51XX support DDR4-2400 MT/s RAM (except 5122); Xeon Gold 5122 and 61XX support DDR4-2666 MT/s RAM
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Xeon Platinum (octa processor)

  • Xeon Platinum has three UPIs at 10.4 GT/s.
  • Xeon Platinum supports DDR4-2666 MT/s RAM (except 8136).
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Notes

  1. Max turbo bins for 4, 3, 2, 1 active cores respectively (depending on the number of CPU cores in the processor). Additional frequency = turbo bins * Base clock (100 MHz for Sandy Bridge, Ivy Bridge, Haswell, Broadwell, and Skylake processors).
  2. Not available for purchase whatsoever to the general public. Apparently exclusive to Amazon AWS.

References

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