Intel Xeon Platinum 8156 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon Platinum 8156 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.

Intel Xeon Platinum 8156

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon Platinum 8156

Around 19% higher clock speed: 3.70 GHz vs 3.1 GHz
Around 50% higher maximum memory size: 768 GB vs 512 GB
Around 19% better performance in PassMark - Single thread mark: 2245 vs 1881
Around 21% better performance in PassMark - CPU mark: 16852 vs 13912

Specifications (specs)
Maximum frequency	3.70 GHz vs 3.1 GHz
Maximum memory size	768 GB vs 512 GB
Benchmarks
PassMark - Single thread mark	2245 vs 1881
PassMark - CPU mark	16852 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

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
2.1x lower typical power consumption: 50 Watt vs 105 Watt

Unlocked	Unlocked vs Locked
Number of cores	8 vs 4
Number of threads	16 vs 8
Thermal Design Power (TDP)	50 Watt vs 105 Watt

Compare benchmarks

CPU 1: Intel Xeon Platinum 8156
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

2245

1881

PassMark - CPU mark

CPU 1

CPU 2

16852

13912

Name	Intel Xeon Platinum 8156	AMD EPYC Embedded 3251
PassMark - Single thread mark	2245	1881
PassMark - CPU mark	16852	13912

Compare specifications (specs)

	Intel Xeon Platinum 8156	AMD EPYC Embedded 3251
Essentials
Architecture codename	Skylake	Zen
Launch date	Q3'17	21 Feb 2018
Place in performance rating	980	1202
Processor Number	8156
Series	Intel® Xeon® Scalable Processors
Status	Launched
Vertical segment	Server	Server
Performance
Base frequency	3.60 GHz	2.5 GHz
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	71°C
Maximum frequency	3.70 GHz	3.1 GHz
Number of cores	4	8
Number of threads	8	16
Number of Ultra Path Interconnect (UPI) Links	3
64 bit support
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	6	2
Maximum memory size	768 GB	512 GB
Supported memory frequency	2666 MHz
Supported memory types	DDR4-2666	DDR4-2666
ECC memory support
Maximum memory bandwidth		39.74 GB/s
Compatibility
Low Halogen Options Available
Package Size	76.0mm x 56.5mm
Sockets supported	FCLGA3647
Thermal Design Power (TDP)	105 Watt	50 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	48	32
PCI Express revision	3.0	3.0
Scalability	S8S
Integrated LAN
PCIe configurations		x16, x8, x4, x2
Total number of SATA ports		8
USB revision		3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
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
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™)