Intel Xeon W-2135 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon W-2135 and AMD EPYC Embedded 3251 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-2135

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon W-2135

Around 45% higher clock speed: 4.50 GHz vs 3.1 GHz
Around 39% better performance in PassMark - Single thread mark: 2608 vs 1881
Around 4% better performance in PassMark - CPU mark: 14437 vs 13912

Specifications (specs)
Maximum frequency	4.50 GHz vs 3.1 GHz
Benchmarks
PassMark - Single thread mark	2608 vs 1881
PassMark - CPU mark	14437 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
2.8x lower typical power consumption: 50 Watt vs 140 Watt

Unlocked	Unlocked vs Locked
Number of cores	8 vs 6
Number of threads	16 vs 12
Thermal Design Power (TDP)	50 Watt vs 140 Watt

Compare benchmarks

CPU 1: Intel Xeon W-2135
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

2608

1881

PassMark - CPU mark

CPU 1

CPU 2

14437

13912

Name	Intel Xeon W-2135	AMD EPYC Embedded 3251
PassMark - Single thread mark	2608	1881
PassMark - CPU mark	14437	13912
Geekbench 4 - Single Core	1072
Geekbench 4 - Multi-Core	6403

Compare specifications (specs)

	Intel Xeon W-2135	AMD EPYC Embedded 3251
Essentials
Architecture codename	Skylake	Zen
Launch date	Q3'17	21 Feb 2018
Place in performance rating	1117	1187
Processor Number	W-2135
Series	Intel® Xeon® W Processor
Status	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.70 GHz	2.5 GHz
Bus Speed	0 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	64
Maximum frequency	4.50 GHz	3.1 GHz
Number of cores	6	8
Number of QPI Links	0
Number of threads	12	16
Number of Ultra Path Interconnect (UPI) Links	0
Die size		192 mm
L1 cache		768 KB
L2 cache		4 MB
L3 cache		16 MB
Transistor count		4800 million
Unlocked
Memory
Max memory channels	4	2
Maximum memory bandwidth	85.3 GB/s	39.74 GB/s
Maximum memory size	512 GB	512 GB
Supported memory types	DDR4 1600/1866/2133/2400/2666	DDR4-2666
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	45mm x 52.5mm
Sockets supported	FCLGA2066
Thermal Design Power (TDP)	140 Watt	50 Watt
Peripherals
Max number of PCIe lanes	48	32
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x16, x8, x4, x2
Scalability	1S Only
Integrated LAN
Total number of SATA ports		8
USB revision		3.0
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™)