Intel Xeon E5-4640 v4 vs AMD EPYC 7551P

Comparative analysis of Intel Xeon E5-4640 v4 and AMD EPYC 7551P 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 E5-4640 v4

AMD EPYC 7551P

Differences

Reasons to consider the Intel Xeon E5-4640 v4

Around 71% lower typical power consumption: 105 Watt vs 180 Watt

Max number of CPUs in a configuration	4 vs 1
Thermal Design Power (TDP)	105 Watt vs 180 Watt

Reasons to consider the AMD EPYC 7551P

Processor is unlocked, an unlocked multiplier allows for easier overclocking
20 more cores, run more applications at once: 32 vs 12
40 more threads: 64 vs 24
Around 15% higher clock speed: 3 GHz vs 2.60 GHz
Around 13% better performance in PassMark - Single thread mark: 1780 vs 1573
Around 70% better performance in PassMark - CPU mark: 38362 vs 22559

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	32 vs 12
Number of threads	64 vs 24
Maximum frequency	3 GHz vs 2.60 GHz
Benchmarks
PassMark - Single thread mark	1780 vs 1573
PassMark - CPU mark	38362 vs 22559

Compare benchmarks

CPU 1: Intel Xeon E5-4640 v4
CPU 2: AMD EPYC 7551P

PassMark - Single thread mark

CPU 1

CPU 2

1573

1780

PassMark - CPU mark

CPU 1

CPU 2

22559

38362

Name	Intel Xeon E5-4640 v4	AMD EPYC 7551P
PassMark - Single thread mark	1573	1780
PassMark - CPU mark	22559	38362
Geekbench 4 - Single Core		609
Geekbench 4 - Multi-Core		6648

Compare specifications (specs)

	Intel Xeon E5-4640 v4	AMD EPYC 7551P
Essentials
Architecture codename	Broadwell	Zen
Launch date	Q2'16	June 2017
Place in performance rating	1105	1147
Processor Number	E5-4640V4
Series	Intel® Xeon® Processor E5 v4 Family	AMD EPYC 7000 Series
Status	Launched
Vertical segment	Server	Server
Family		AMD EPYC
Performance
64 bit support
Base frequency	2.10 GHz	2 GHz
Bus Speed	8 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	80
Maximum frequency	2.60 GHz	3 GHz
Number of cores	12	32
Number of QPI Links	2
Number of threads	24	64
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	68 GB/s	341 GB/s
Maximum memory size	1.5 TB
Supported memory types	DDR4	DDR4
Supported memory frequency		2666 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	45mm x 52.5mm
Sockets supported	FCLGA2011-3	TR4
Thermal Design Power (TDP)	105 Watt	180 Watt
Socket Count		1P
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0	x128
PCIe configurations	x4, x8, x16
Scalability	4S
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® Flex Memory Access
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™)