Intel Xeon Platinum 8156 vs Intel Xeon W-2155

Comparative analysis of Intel Xeon Platinum 8156 and Intel Xeon W-2155 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon Platinum 8156

Intel Xeon W-2155

Differences

Reasons to consider the Intel Xeon Platinum 8156

Around 4% higher maximum core temperature: 71°C vs 68
Around 50% higher maximum memory size: 768 GB vs 512 GB
Around 33% lower typical power consumption: 105 Watt vs 140 Watt

Maximum core temperature	71°C vs 68
Maximum memory size	768 GB vs 512 GB
Thermal Design Power (TDP)	105 Watt vs 140 Watt

Reasons to consider the Intel Xeon W-2155

6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
Around 22% higher clock speed: 4.50 GHz vs 3.70 GHz
Around 16% better performance in PassMark - Single thread mark: 2608 vs 2245
Around 25% better performance in PassMark - CPU mark: 21088 vs 16852

Specifications (specs)
Number of cores	10 vs 4
Number of threads	20 vs 8
Maximum frequency	4.50 GHz vs 3.70 GHz
Benchmarks
PassMark - Single thread mark	2608 vs 2245
PassMark - CPU mark	21088 vs 16852

Compare benchmarks

CPU 1: Intel Xeon Platinum 8156
CPU 2: Intel Xeon W-2155

PassMark - Single thread mark

CPU 1

CPU 2

2245

2608

PassMark - CPU mark

CPU 1

CPU 2

16852

21088

Name	Intel Xeon Platinum 8156	Intel Xeon W-2155
PassMark - Single thread mark	2245	2608
PassMark - CPU mark	16852	21088
Geekbench 4 - Single Core		1104
Geekbench 4 - Multi-Core		9442

Compare specifications (specs)

	Intel Xeon Platinum 8156	Intel Xeon W-2155
Essentials
Architecture codename	Skylake	Skylake
Launch date	Q3'17	Q3'17
Place in performance rating	955	956
Processor Number	8156	W-2155
Series	Intel® Xeon® Scalable Processors	Intel® Xeon® W Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
Base frequency	3.60 GHz	3.30 GHz
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	71°C	68
Maximum frequency	3.70 GHz	4.50 GHz
Number of cores	4	10
Number of threads	8	20
Number of Ultra Path Interconnect (UPI) Links	3	0
64 bit support
Bus Speed		0 GT/s QPI
Number of QPI Links		0
Memory
Max memory channels	6	4
Maximum memory size	768 GB	512 GB
Supported memory frequency	2666 MHz
Supported memory types	DDR4-2666	DDR4 1600/1866/2133/2400/2666
Maximum memory bandwidth		85.3 GB/s
Compatibility
Low Halogen Options Available
Package Size	76.0mm x 56.5mm	45mm x 52.5mm
Sockets supported	FCLGA3647	FCLGA2066
Thermal Design Power (TDP)	105 Watt	140 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	48	48
PCI Express revision	3.0	3.0
Scalability	S8S	1S Only
PCIe configurations		x4, x8, x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
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	2
Speed Shift technology
Idle States
Intel® Demand Based Switching
Intel® Flex Memory Access
Physical Address Extensions (PAE)		46-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)