AMD EPYC 7542 vs Intel Xeon E5-2643 v4

Comparative analysis of AMD EPYC 7542 and Intel Xeon E5-2643 v4 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD EPYC 7542

Intel Xeon E5-2643 v4

Differences

Reasons to consider the AMD EPYC 7542

26 more cores, run more applications at once: 32 vs 6
52 more threads: 64 vs 12
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
2.7x more maximum memory size: 4 TB vs 1.5 TB
3.7x better performance in PassMark - CPU mark: 73885 vs 19987

Specifications (specs)
Number of cores	32 vs 6
Number of threads	64 vs 12
Manufacturing process technology	7 nm, 14 nm vs 14 nm
Maximum memory size	4 TB vs 1.5 TB
Benchmarks
PassMark - CPU mark	73885 vs 19987

Reasons to consider the Intel Xeon E5-2643 v4

Around 9% higher clock speed: 3.70 GHz vs 3.4 GHz
Around 67% lower typical power consumption: 135 Watt vs 225 Watt
Around 10% better performance in PassMark - Single thread mark: 2275 vs 2073

Specifications (specs)
Maximum frequency	3.70 GHz vs 3.4 GHz
Thermal Design Power (TDP)	135 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2275 vs 2073

Compare benchmarks

CPU 1: AMD EPYC 7542
CPU 2: Intel Xeon E5-2643 v4

PassMark - Single thread mark

CPU 1

CPU 2

2073

2275

PassMark - CPU mark

CPU 1

CPU 2

73885

19987

Name	AMD EPYC 7542	Intel Xeon E5-2643 v4
PassMark - Single thread mark	2073	2275
PassMark - CPU mark	73885	19987
Geekbench 4 - Single Core		3707
Geekbench 4 - Multi-Core		19860

Compare specifications (specs)

	AMD EPYC 7542	Intel Xeon E5-2643 v4
Essentials
Architecture codename	Zen 2	Broadwell
Launch date	7 Aug 2019	Q1'16
Launch price (MSRP)	$3400
OPN PIB	100-100000075WOF
OPN Tray	100-000000075
Place in performance rating	295	262
Vertical segment	Server	Server
Processor Number		E5-2643V4
Series		Intel® Xeon® Processor E5 v4 Family
Status		Launched
Performance
Base frequency	2.9 GHz	3.40 GHz
L1 cache	2 MB
L2 cache	16 MB
L3 cache	128 MB
Manufacturing process technology	7 nm, 14 nm	14 nm
Maximum frequency	3.4 GHz	3.70 GHz
Number of cores	32	6
Number of threads	64	12
Unlocked
64 bit support
Bus Speed		9.6 GT/s QPI
Maximum core temperature		75°C
Number of QPI Links		2
VID voltage range		0
Memory
ECC memory support
Max memory channels	8	4
Maximum memory bandwidth	190.7 GB/s	76.8 GB/s
Maximum memory size	4 TB	1.5 TB
Supported memory types	DDR4-3200	DDR4 1600/1866/2133/2400
Compatibility
Socket Count	1P/2P
Sockets supported	SP3	FCLGA2011-3
Thermal Design Power (TDP)	225 Watt	135 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Package Size		45mm x 52.5mm
Peripherals
Max number of PCIe lanes	128	40
PCI Express revision	4.0	3.0
PCIe configurations		x4, x8, x16
Scalability		2S
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® AVX2
Intel 64
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
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)