Intel Xeon E5-4655 v3 vs AMD EPYC 7401P

Comparative analysis of Intel Xeon E5-4655 v3 and AMD EPYC 7401P 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 E5-4655 v3

AMD EPYC 7401P

Differences

Reasons to consider the Intel Xeon E5-4655 v3

Around 7% higher clock speed: 3.20 GHz vs 3 GHz
Around 26% lower typical power consumption: 135 Watt vs 155/170 Watt
Around 5% better performance in PassMark - Single thread mark: 1817 vs 1731

Specifications (specs)
Maximum frequency	3.20 GHz vs 3 GHz
Max number of CPUs in a configuration	4 vs 1
Thermal Design Power (TDP)	135 Watt vs 155/170 Watt
Benchmarks
PassMark - Single thread mark	1817 vs 1731

Reasons to consider the AMD EPYC 7401P

Processor is unlocked, an unlocked multiplier allows for easier overclocking
18 more cores, run more applications at once: 24 vs 6
36 more threads: 48 vs 12
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3x better performance in PassMark - CPU mark: 28546 vs 9377

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	24 vs 6
Number of threads	48 vs 12
Manufacturing process technology	14 nm vs 22 nm
Benchmarks
PassMark - CPU mark	28546 vs 9377

Compare benchmarks

CPU 1: Intel Xeon E5-4655 v3
CPU 2: AMD EPYC 7401P

PassMark - Single thread mark

CPU 1

CPU 2

1817

1731

PassMark - CPU mark

CPU 1

CPU 2

9377

28546

Name	Intel Xeon E5-4655 v3	AMD EPYC 7401P
PassMark - Single thread mark	1817	1731
PassMark - CPU mark	9377	28546
Geekbench 4 - Single Core		699
Geekbench 4 - Multi-Core		7285

Compare specifications (specs)

	Intel Xeon E5-4655 v3	AMD EPYC 7401P
Essentials
Architecture codename	Haswell	Zen
Launch date	Q2'15	June 2017
Place in performance rating	1293	1291
Processor Number	E5-4655V3
Series	Intel® Xeon® Processor E5 v3 Family	AMD EPYC 7000 Series
Status	Launched
Vertical segment	Server	Server
Family		AMD EPYC
Price now		$1,414.80
Value for money (0-100)		3.86
Performance
64 bit support
Base frequency	2.90 GHz	2 GHz
Bus Speed	9.6 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	84.4°C
Maximum frequency	3.20 GHz	3 GHz
Number of cores	6	24
Number of QPI Links	2
Number of threads	12	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	68 GB/s	307/341 GB/s
Maximum memory size	768 GB
Supported memory types	DDR4	DDR4
Supported memory frequency		2400/2666 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	52.5mm x 45mm
Sockets supported	FCLGA2011-3	TR4
Thermal Design Power (TDP)	135 Watt	155/170 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™)