Intel Xeon W-2191B vs AMD EPYC 7551P

Comparative analysis of Intel Xeon W-2191B and AMD EPYC 7551P 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

AMD EPYC 7551P

Differences

Reasons to consider the Intel Xeon W-2191B

Around 143233% higher clock speed: 4300 MHz vs 3 GHz
Around 13% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 43% better performance in PassMark - Single thread mark: 2541 vs 1780

Specifications (specs)
Maximum frequency	4300 MHz vs 3 GHz
L2 cache	18 MB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	2541 vs 1780

Reasons to consider the AMD EPYC 7551P

Processor is unlocked, an unlocked multiplier allows for easier overclocking
14 more cores, run more applications at once: 32 vs 18
28 more threads: 64 vs 36
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
2.6x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 35% better performance in PassMark - CPU mark: 38362 vs 28371

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	32 vs 18
Number of threads	64 vs 36
L1 cache	96 KB (per core) vs 1.125 MB
L3 cache	64 MB vs 24.75 MB
Benchmarks
PassMark - CPU mark	38362 vs 28371

Compare benchmarks

CPU 1: Intel Xeon W-2191B
CPU 2: AMD EPYC 7551P

PassMark - Single thread mark

CPU 1

CPU 2

2541

1780

PassMark - CPU mark

CPU 1

CPU 2

28371

38362

Name	Intel Xeon W-2191B	AMD EPYC 7551P
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	1780
PassMark - CPU mark	28371	38362
Geekbench 4 - Single Core		609
Geekbench 4 - Multi-Core		6648

Compare specifications (specs)

	Intel Xeon W-2191B	AMD EPYC 7551P
Essentials
Architecture codename	Skylake W	Zen
Family	Xeon W	AMD EPYC
Launch date	5 June 2017	June 2017
Place in performance rating	1130	1152
Processor Number	W-2191B
Series	W-2000	AMD EPYC 7000 Series
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2300 MHz	2 GHz
Bus Speed	8 GT/s DMI
L1 cache	1.125 MB	96 KB (per core)
L2 cache	18 MB	512 KB (per core)
L3 cache	24.75 MB	64 MB
Manufacturing process technology	14 nm	14 nm
Maximum frequency	4300 MHz	3 GHz
Number of cores	18	32
Number of threads	36	64
Unlocked
Die size		192 mm
Transistor count		4800 million
Memory
ECC memory support
Max memory channels	4	8
Maximum memory bandwidth	79.47 GB/s	341 GB/s
Maximum memory size	512 GB
Supported memory types	DDR4-2666	DDR4
Supported memory frequency		2666 MHz
Compatibility
Sockets supported	FCLGA-2066 (R4)	TR4
Max number of CPUs in a configuration		1
Socket Count		1P
Thermal Design Power (TDP)		180 Watt
Peripherals
Max number of PCIe lanes	48
PCI Express revision	3.0	x128
PCIe configurations	1x16, 1x8, 1x4
Security & Reliability
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)