Intel Xeon W-2155 processor review

Xeon W-2155 processor released by Intel; release date: Q3'17. The processor is designed for server-computers and based on Skylake microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 10, threads - 20. Maximum CPU clock speed - 4.50 GHz. Maximum operating temperature - 68. Manufacturing process technology - 14 nm.

Supported memory types: DDR4 1600/1866/2133/2400/2666. Maximum memory size: 512 GB.

Supported socket types: FCLGA2066. Maximum number of processors in a configuration - 1. Power consumption (TDP): 140 Watt.


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Geekbench 4
Single Core
Top 1 CPU
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Geekbench 4
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This CPU
Name Value
PassMark - Single thread mark 2648
PassMark - CPU mark 21218
Geekbench 4 - Single Core 1104
Geekbench 4 - Multi-Core 9442

Specifications (specs)


Architecture codename Skylake
Launch date Q3'17
Place in performance rating 245
Processor Number W-2155
Series Intel® Xeon® W Processor
Status Launched
Vertical segment Server


64 bit support
Base frequency 3.30 GHz
Bus Speed 0 GT/s QPI
Manufacturing process technology 14 nm
Maximum core temperature 68
Maximum frequency 4.50 GHz
Number of cores 10
Number of QPI Links 0
Number of threads 20
Number of Ultra Path Interconnect (UPI) Links 0


Max memory channels 4
Maximum memory bandwidth 85.3 GB/s
Maximum memory size 512 GB
Supported memory types DDR4 1600/1866/2133/2400/2666


Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 45mm x 52.5mm
Sockets supported FCLGA2066
Thermal Design Power (TDP) 140 Watt


Max number of PCIe lanes 48
PCI Express revision 3.0
PCIe configurations x4, x8, x16
Scalability 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units 2
Physical Address Extensions (PAE) 46-bit
Speed Shift technology
Thermal Monitoring


Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)