Intel Xeon E7-8891 v3 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon E7-8891 v3 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 E7-8891 v3

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon E7-8891 v3

2 more cores, run more applications at once: 10 vs 8
4 more threads: 20 vs 16
Around 13% higher clock speed: 3.50 GHz vs 3.1 GHz
3x more maximum memory size: 1.5 TB vs 512 GB
Around 55% better performance in PassMark - CPU mark: 21615 vs 13912

Specifications (specs)
Number of cores	10 vs 8
Number of threads	20 vs 16
Maximum frequency	3.50 GHz vs 3.1 GHz
Maximum memory size	1.5 TB vs 512 GB
Max number of CPUs in a configuration	8 vs 1
Benchmarks
PassMark - CPU mark	21615 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3.3x lower typical power consumption: 50 Watt vs 165 Watt
Around 10% better performance in PassMark - Single thread mark: 1881 vs 1715

Specifications (specs)
Unlocked	Unlocked vs Locked
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	50 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	1881 vs 1715

Compare benchmarks

CPU 1: Intel Xeon E7-8891 v3
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

1715

1881

PassMark - CPU mark

CPU 1

CPU 2

21615

13912

Name	Intel Xeon E7-8891 v3	AMD EPYC Embedded 3251
PassMark - Single thread mark	1715	1881
PassMark - CPU mark	21615	13912

Compare specifications (specs)

	Intel Xeon E7-8891 v3	AMD EPYC Embedded 3251
Essentials
Architecture codename	Haswell	Zen
Launch date	Q2'15	21 Feb 2018
Place in performance rating	1142	1189
Processor Number	E7-8891V3
Series	Intel® Xeon® Processor E7 v3 Family
Status	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.80 GHz	2.5 GHz
Bus Speed	9.6 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	79°C
Maximum frequency	3.50 GHz	3.1 GHz
Number of cores	10	8
Number of QPI Links	3
Number of threads	20	16
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 GB/s	39.74 GB/s
Maximum memory size	1.5 TB	512 GB
Supported memory types	DDR4-1333/1600/1866, DDR3-1066/1333/1600	DDR4-2666
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	8	1
Package Size	52mm x 45mm
Sockets supported	FCLGA2011
Thermal Design Power (TDP)	165 Watt	50 Watt
Peripherals
Max number of PCIe lanes	32	32
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x16, x8, x4, x2
Scalability	S8S
Integrated LAN
Total number of SATA ports		8
USB revision		3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Instruction Replay Technology
Intel® TSX-NI
Intel® Turbo Boost technology
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)
AMD Virtualization (AMD-V™)