AMD EPYC 7643 vs Intel Xeon E5-2660 v4

Comparative analysis of AMD EPYC 7643 and Intel Xeon E5-2660 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 7643

Intel Xeon E5-2660 v4

Differences

Reasons to consider the AMD EPYC 7643

34 more cores, run more applications at once: 48 vs 14
68 more threads: 96 vs 28
Around 13% higher clock speed: 3.6 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 14 nm
3.3x better performance in PassMark - CPU mark: 88348 vs 26403

Specifications (specs)
Number of cores	48 vs 14
Number of threads	96 vs 28
Maximum frequency	3.6 GHz vs 3.20 GHz
Manufacturing process technology	7 nm+ vs 14 nm
Benchmarks
PassMark - Single thread mark	1915 vs 1906
PassMark - CPU mark	88348 vs 26403

Reasons to consider the Intel Xeon E5-2660 v4

2.3x lower typical power consumption: 105 Watt vs 240 Watt

Thermal Design Power (TDP)	105 Watt vs 240 Watt

Compare benchmarks

CPU 1: AMD EPYC 7643
CPU 2: Intel Xeon E5-2660 v4

PassMark - Single thread mark

CPU 1

CPU 2

1915

1906

PassMark - CPU mark

CPU 1

CPU 2

88348

26403

Name	AMD EPYC 7643	Intel Xeon E5-2660 v4
PassMark - Single thread mark	1915	1906
PassMark - CPU mark	88348	26403
Geekbench 4 - Single Core		3364
Geekbench 4 - Multi-Core		25358

Compare specifications (specs)

	AMD EPYC 7643	Intel Xeon E5-2660 v4
Essentials
Architecture codename	Zen 3	Broadwell
Launch date	15 Mar 2021	Q1'16
Launch price (MSRP)	$4995
OPN PIB	100-100000326WOF
OPN Tray	100-000000326
Place in performance rating	224	236
Vertical segment	Server	Server
Processor Number		E5-2660V4
Series		Intel® Xeon® Processor E5 v4 Family
Status		Launched
Performance
Base frequency	2.3 GHz	2.00 GHz
L1 cache	3 MB
L2 cache	24 MB
L3 cache	256 MB
Manufacturing process technology	7 nm+	14 nm
Maximum frequency	3.6 GHz	3.20 GHz
Number of cores	48	14
Number of threads	96	28
Unlocked
64 bit support
Bus Speed		9.6 GT/s QPI
Maximum core temperature		79°C
Number of QPI Links		2
Memory
ECC memory support
Max memory channels	8	4
Maximum memory bandwidth	190.73 GB/s	76.8 GB/s
Maximum memory size	4 TB
Supported memory types	DDR4-3200	DDR4 1600/1866/2133/2400
Compatibility
Configurable TDP	225-240 Watt
Socket Count	1P/2P
Sockets supported	SP3	FCLGA2011-3
Thermal Design Power (TDP)	240 Watt	105 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)