List of Intel Skylake-based Xeon microprocessors

"Skylake-D">Skylake (microarchitecture)">Skylake-D" (14 nm)

• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX2, AVX-512, F16C, Enhanced Intel SpeedStep Technology, Intel 64, XD bit, TXT, Intel VT-x, Intel EPT, Intel VT-d, Hyper-threading, Turbo Boost, AES-NI, TSX-NI, Intel MPX, Smart Cache, ECC memory.
• SoC peripherals include 24× USB, 14× SATA 3.0, 4× Integrated 10 GbE LAN, UART, GPIO, and 32 lanes of PCI Express 3.0 in ×16, ×8 and ×4 configurations.
• Support for up to 8 DIMMs of DDR4 memory, up to 64 GB per DIMM.
• I : Integrated Intel Ethernet
• T : high temperature support or extended reliability offerings
• N : Intel Ethernet and Intel QuickAssist Technology
• Package size: 42.5 × 55 mm

  Xeon D-21xx (uniprocessor, SoC)

"Skylake-S">Skylake (microarchitecture)">Skylake-S" (14 nm)

Xeon E3-12xx v5 (uniprocessor)

"Skylake-H">Skylake (microarchitecture)">Skylake-H" (14 nm)

Xeon E3-15xx v5 (uniprocessor)

"Skylake-W">Skylake (microarchitecture)">Skylake-W" (14 nm)

Xeon W-21xx (uniprocessor)

• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3, MPX, Enhanced Intel SpeedStep Technology, Intel 64, XD bit, Intel VT-x, Intel VT-d, Turbo Boost, Hyper-threading, AES-NI, Intel TSX-NI, Smart Cache.
• PCI Express lanes: 48
• Supports up to 8 DIMMs of DDR4 memory, maximum 512 GB.

Xeon W-31xx (uniprocessor)

• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3, MPX, Enhanced Intel SpeedStep Technology, Intel 64, XD bit, Intel VT-x, Intel VT-d, Turbo Boost, Hyper-threading, AES-NI, Intel TSX-NI, Smart Cache.
• PCI Express lanes: 48
• Supports up to 12 DIMMs of DDR4 memory, maximum 512 GB.

"Skylake-SP">Skylake (microarchitecture)">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, Silver, and Bronze have a single AVX-512 FMA unit per core
• -F: integrated OmniPath fabric
• -M: 1536 GB RAM per socket vs 768 GB for non-M SKUs
• -P: integrated FPGA
• -T: High thermal-case and extended reliability

  Xeon Bronze and Silver (dual processor)

• Xeon Bronze 31XX has no HT 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

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 MHz RAM ; Xeon Gold 5122 and 61XX support DDR4-2666 MHz RAM

Xeon Platinum (octa processor)

• Xeon Platinum has three UPIs at 10.4 GT/s.
• Xeon Platinum supports DDR4-2666 MHz RAM.