Intel Xeon W-2145 vs Intel Xeon W-2155

Comparative analysis of Intel Xeon W-2145 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 W-2145

Intel Xeon W-2155

Differences

Reasons to consider the Intel Xeon W-2145

Around 3% higher maximum core temperature: 70 vs 68

Specifications (specs)
Maximum core temperature	70 vs 68
Benchmarks
PassMark - Single thread mark	2609 vs 2605

Reasons to consider the Intel Xeon W-2155

2 more cores, run more applications at once: 10 vs 8
4 more threads: 20 vs 16
Around 16% better performance in PassMark - CPU mark: 21032 vs 18164
Around 1% better performance in Geekbench 4 - Single Core: 1104 vs 1088
Around 13% better performance in Geekbench 4 - Multi-Core: 9442 vs 8333

Specifications (specs)
Number of cores	10 vs 8
Number of threads	20 vs 16
Benchmarks
PassMark - CPU mark	21032 vs 18164
Geekbench 4 - Single Core	1104 vs 1088
Geekbench 4 - Multi-Core	9442 vs 8333

Compare benchmarks

CPU 1: Intel Xeon W-2145
CPU 2: Intel Xeon W-2155

PassMark - Single thread mark

CPU 1

CPU 2

2609

2605

PassMark - CPU mark

CPU 1

CPU 2

18164

21032

Geekbench 4 - Single Core

CPU 1

CPU 2

1088

1104

Geekbench 4 - Multi-Core

CPU 1

CPU 2

8333

9442

Name	Intel Xeon W-2145	Intel Xeon W-2155
PassMark - Single thread mark	2609	2605
PassMark - CPU mark	18164	21032
Geekbench 4 - Single Core	1088	1104
Geekbench 4 - Multi-Core	8333	9442

Compare specifications (specs)

	Intel Xeon W-2145	Intel Xeon W-2155
Essentials
Architecture codename	Skylake	Skylake
Launch date	Q3'17	Q3'17
Place in performance rating	930	870
Processor Number	W-2145	W-2155
Series	Intel® Xeon® W Processor	Intel® Xeon® W Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.70 GHz	3.30 GHz
Bus Speed	0 GT/s QPI	0 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	70	68
Maximum frequency	4.50 GHz	4.50 GHz
Number of cores	8	10
Number of QPI Links	0	0
Number of threads	16	20
Number of Ultra Path Interconnect (UPI) Links	0	0
Memory
Max memory channels	4	4
Maximum memory bandwidth	85.3 GB/s	85.3 GB/s
Maximum memory size	512 GB	512 GB
Supported memory types	DDR4 1600/1866/2133/2400/2666	DDR4 1600/1866/2133/2400/2666
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	45mm x 52.5mm	45mm x 52.5mm
Sockets supported	FCLGA2066	FCLGA2066
Thermal Design Power (TDP)	140 Watt	140 Watt
Peripherals
Max number of PCIe lanes	48	48
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	1S Only	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® 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	2
Physical Address Extensions (PAE)	46-bit	46-bit
Speed Shift technology
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)