Intel Xeon E5-2643 v4 vs AMD EPYC 7351

Comparative analysis of Intel Xeon E5-2643 v4 and AMD EPYC 7351 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 E5-2643 v4

AMD EPYC 7351

Differences

Reasons to consider the Intel Xeon E5-2643 v4

Around 28% higher clock speed: 3.70 GHz vs 2.9 GHz
Around 26% lower typical power consumption: 135 Watt vs 155/170 Watt
Around 30% better performance in PassMark - Single thread mark: 2275 vs 1747
Around 5% better performance in Geekbench 4 - Single Core: 3707 vs 3547

Specifications (specs)
Maximum frequency	3.70 GHz vs 2.9 GHz
Thermal Design Power (TDP)	135 Watt vs 155/170 Watt
Benchmarks
PassMark - Single thread mark	2275 vs 1747
Geekbench 4 - Single Core	3707 vs 3547

Reasons to consider the AMD EPYC 7351

Processor is unlocked, an unlocked multiplier allows for easier overclocking
10 more cores, run more applications at once: 16 vs 6
20 more threads: 32 vs 12
Around 27% better performance in PassMark - CPU mark: 25431 vs 19987
Around 19% better performance in Geekbench 4 - Multi-Core: 23587 vs 19860

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	16 vs 6
Number of threads	32 vs 12
Benchmarks
PassMark - CPU mark	25431 vs 19987
Geekbench 4 - Multi-Core	23587 vs 19860

Compare benchmarks

CPU 1: Intel Xeon E5-2643 v4
CPU 2: AMD EPYC 7351

PassMark - Single thread mark

CPU 1

CPU 2

2275

1747

PassMark - CPU mark

CPU 1

CPU 2

19987

25431

Geekbench 4 - Single Core

CPU 1

CPU 2

3707

3547

Geekbench 4 - Multi-Core

CPU 1

CPU 2

19860

23587

Name	Intel Xeon E5-2643 v4	AMD EPYC 7351
PassMark - Single thread mark	2275	1747
PassMark - CPU mark	19987	25431
Geekbench 4 - Single Core	3707	3547
Geekbench 4 - Multi-Core	19860	23587

Compare specifications (specs)

	Intel Xeon E5-2643 v4	AMD EPYC 7351
Essentials
Architecture codename	Broadwell	Zen
Launch date	Q1'16	June 2017
Place in performance rating	262	263
Processor Number	E5-2643V4
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	3.40 GHz	2.4 GHz
Bus Speed	9.6 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	75°C
Maximum frequency	3.70 GHz	2.9 GHz
Number of cores	6	16
Number of QPI Links	2
Number of threads	12	32
VID voltage range	0
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	76.8 GB/s	307/341 GB/s
Maximum memory size	1.5 TB
Supported memory types	DDR4 1600/1866/2133/2400	DDR4
Supported memory frequency		2400/2666 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	45mm x 52.5mm
Sockets supported	FCLGA2011-3	TR4
Thermal Design Power (TDP)	135 Watt	155/170 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0	x128
PCIe configurations	x4, x8, x16
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
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® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
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™)