Intel Xeon W-2191B vs Intel Xeon W-2125

Comparative analysis of Intel Xeon W-2191B and Intel Xeon W-2125 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon W-2191B

Intel Xeon W-2125

Differences

Reasons to consider the Intel Xeon W-2191B

14 more cores, run more applications at once: 18 vs 4
28 more threads: 36 vs 8
Around 95456% higher clock speed: 4300 MHz vs 4.50 GHz
2.8x better performance in PassMark - CPU mark: 28371 vs 10005

Specifications (specs)
Number of cores	18 vs 4
Number of threads	36 vs 8
Maximum frequency	4300 MHz vs 4.50 GHz
Benchmarks
PassMark - CPU mark	28371 vs 10005

Reasons to consider the Intel Xeon W-2125

Around 1% better performance in PassMark - Single thread mark: 2566 vs 2541

Benchmarks
PassMark - Single thread mark	2566 vs 2541

Compare benchmarks

CPU 1: Intel Xeon W-2191B
CPU 2: Intel Xeon W-2125

PassMark - Single thread mark

CPU 1

CPU 2

2541

2566

PassMark - CPU mark

CPU 1

CPU 2

28371

10005

Name	Intel Xeon W-2191B	Intel Xeon W-2125
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.199
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	119.388
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.17
CompuBench 1.5 Desktop - Video Composition (Frames/s)	9.337
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	26.355
PassMark - Single thread mark	2541	2566
PassMark - CPU mark	28371	10005
Geekbench 4 - Single Core		1056
Geekbench 4 - Multi-Core		4624

Compare specifications (specs)

	Intel Xeon W-2191B	Intel Xeon W-2125
Essentials
Architecture codename	Skylake W	Skylake
Family	Xeon W
Launch date	5 June 2017	Q3'17
Place in performance rating	1130	1134
Processor Number	W-2191B	W-2125
Series	W-2000	Intel® Xeon® W Processor
Vertical segment	Server	Server
Status		Launched
Performance
64 bit support
Base frequency	2300 MHz	4.00 GHz
Bus Speed	8 GT/s DMI	0 GT/s QPI
L1 cache	1.125 MB
L2 cache	18 MB
L3 cache	24.75 MB
Manufacturing process technology	14 nm	14 nm
Maximum frequency	4300 MHz	4.50 GHz
Number of cores	18	4
Number of threads	36	8
Unlocked
Maximum core temperature		64
Number of QPI Links		0
Number of Ultra Path Interconnect (UPI) Links		0
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	79.47 GB/s	85.3 GB/s
Maximum memory size	512 GB	512 GB
Supported memory types	DDR4-2666	DDR4 1600/1866/2133/2400/2666
Compatibility
Sockets supported	FCLGA-2066 (R4)	FCLGA2066
Low Halogen Options Available
Max number of CPUs in a configuration		1
Package Size		45mm x 52.5mm
Thermal Design Power (TDP)		120 Watt
Peripherals
Max number of PCIe lanes	48	48
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 1x8, 1x4	x4, x8, x16
Scalability		1S Only
Security & Reliability
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Idle States
Instruction set extensions		Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units		2
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)