Intel Xeon E7-8891 v4 vs AMD EPYC 7451

Comparative analysis of Intel Xeon E7-8891 v4 and AMD EPYC 7451 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 v4

AMD EPYC 7451

Differences

Reasons to consider the Intel Xeon E7-8891 v4

Around 9% higher clock speed: 3.50 GHz vs 3.2 GHz
Around 9% lower typical power consumption: 165 Watt vs 180 Watt
Around 9% better performance in PassMark - Single thread mark: 2130 vs 1948

Specifications (specs)
Maximum frequency	3.50 GHz vs 3.2 GHz
Max number of CPUs in a configuration	8 vs 2
Thermal Design Power (TDP)	165 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark	2130 vs 1948

Reasons to consider the AMD EPYC 7451

Processor is unlocked, an unlocked multiplier allows for easier overclocking
14 more cores, run more applications at once: 24 vs 10
28 more threads: 48 vs 20
Around 10% better performance in PassMark - CPU mark: 51778 vs 47104

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	24 vs 10
Number of threads	48 vs 20
Benchmarks
PassMark - CPU mark	51778 vs 47104

Compare benchmarks

CPU 1: Intel Xeon E7-8891 v4
CPU 2: AMD EPYC 7451

PassMark - Single thread mark

CPU 1

CPU 2

2130

1948

PassMark - CPU mark

CPU 1

CPU 2

47104

51778

Name	Intel Xeon E7-8891 v4	AMD EPYC 7451
PassMark - Single thread mark	2130	1948
PassMark - CPU mark	47104	51778

Compare specifications (specs)

	Intel Xeon E7-8891 v4	AMD EPYC 7451
Essentials
Architecture codename	Broadwell	Zen
Launch date	Q2'16	June 2017
Place in performance rating	501	520
Processor Number	E7-8891V4
Series	Intel® Xeon® Processor E7 v4 Family	AMD EPYC 7000 Series
Status	Launched
Vertical segment	Server	Server
Family		AMD EPYC
Performance
64 bit support
Base frequency	2.80 GHz	2.3 GHz
Bus Speed	9.6 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	79°C
Maximum frequency	3.50 GHz	3.2 GHz
Number of cores	10	24
Number of QPI Links	3
Number of threads	20	48
Die size		192 mm
L1 cache		96 KB (per core)
L2 cache		512 KB (per core)
L3 cache		64 MB
Transistor count		4800 million
Unlocked
Memory
Max memory channels	4	8
Maximum memory bandwidth	85 GB/s	341 GB/s
Maximum memory size	3 TB
Supported memory types	DDR4-1333/1600/1866 DDR3-1066/1333/1600	DDR4
Supported memory frequency		2666 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	8	2
Package Size	45mm x 52.5mm
Sockets supported	FCLGA2011	TR4
Thermal Design Power (TDP)	165 Watt	180 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	32
PCI Express revision	3.0	x128
PCIe configurations	x4, x8, x16
Scalability	S8S
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™)