Intel Xeon W-2125 vs AMD EPYC 7251

Comparative analysis of Intel Xeon W-2125 and AMD EPYC 7251 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-2125

AMD EPYC 7251

Differences

Reasons to consider the Intel Xeon W-2125

Around 55% higher clock speed: 4.50 GHz vs 2.9 GHz
Around 53% better performance in PassMark - Single thread mark: 2563 vs 1671

Specifications (specs)
Maximum frequency	4.50 GHz vs 2.9 GHz
Benchmarks
PassMark - Single thread mark	2563 vs 1671

Reasons to consider the AMD EPYC 7251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
Around 49% better performance in PassMark - CPU mark: 14935 vs 10038

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	8 vs 4
Number of threads	16 vs 8
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	14935 vs 10038

Compare benchmarks

CPU 1: Intel Xeon W-2125
CPU 2: AMD EPYC 7251

PassMark - Single thread mark

CPU 1

CPU 2

2563

1671

PassMark - CPU mark

CPU 1

CPU 2

10038

14935

Name	Intel Xeon W-2125	AMD EPYC 7251
PassMark - Single thread mark	2563	1671
PassMark - CPU mark	10038	14935
Geekbench 4 - Single Core	1056
Geekbench 4 - Multi-Core	4624

Compare specifications (specs)

	Intel Xeon W-2125	AMD EPYC 7251
Essentials
Architecture codename	Skylake	Zen
Launch date	Q3'17	June 2017
Place in performance rating	1217	1273
Processor Number	W-2125
Series	Intel® Xeon® W Processor	AMD EPYC 7000 Series
Status	Launched
Vertical segment	Server	Server
Family		AMD EPYC
Performance
64 bit support
Base frequency	4.00 GHz	2.1 GHz
Bus Speed	0 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	64
Maximum frequency	4.50 GHz	2.9 GHz
Number of cores	4	8
Number of QPI Links	0
Number of threads	8	16
Number of Ultra Path Interconnect (UPI) Links	0
Die size		192 mm
L1 cache		96 KB (per core)
L2 cache		512 KB (per core)
L3 cache		32 MB
Transistor count		4800 million
Unlocked
Memory
Max memory channels	4	8
Maximum memory bandwidth	85.3 GB/s	307 GB/s
Maximum memory size	512 GB
Supported memory types	DDR4 1600/1866/2133/2400/2666	DDR4
Supported memory frequency		2400 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	45mm x 52.5mm
Sockets supported	FCLGA2066	TR4
Thermal Design Power (TDP)	120 Watt	120 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	48
PCI Express revision	3.0	x128
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
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™)