AMD EPYC 7281 vs Intel Xeon E5-4650L

Comparative analysis of AMD EPYC 7281 and Intel Xeon E5-4650L processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 7281

Intel Xeon E5-4650L

Differences

Reasons to consider the AMD EPYC 7281

CPU is newer: launch date 5 year(s) 1 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
8 more cores, run more applications at once: 16 vs 8
16 more threads: 32 vs 16
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
3x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 60% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 13% better performance in PassMark - Single thread mark: 1626 vs 1439

Specifications (specs)
Launch date	June 2017 vs May 2012
Unlocked	Unlocked vs Locked
Number of cores	16 vs 8
Number of threads	32 vs 16
Manufacturing process technology	14 nm vs 32 nm
L1 cache	96 KB (per core) vs 64 KB (per core)
L2 cache	512 KB (per core) vs 256 KB (per core)
L3 cache	32 MB vs 20480 KB (shared)
Benchmarks
PassMark - Single thread mark	1626 vs 1439

Reasons to consider the Intel Xeon E5-4650L

Around 15% higher clock speed: 3.10 GHz vs 2.7 GHz
Around 48% lower typical power consumption: 115 Watt vs 155/170 Watt
Around 30% better performance in PassMark - CPU mark: 28193 vs 21621

Specifications (specs)
Maximum frequency	3.10 GHz vs 2.7 GHz
Max number of CPUs in a configuration	4 vs 2
Thermal Design Power (TDP)	115 Watt vs 155/170 Watt
Benchmarks
PassMark - CPU mark	28193 vs 21621

Compare benchmarks

CPU 1: AMD EPYC 7281
CPU 2: Intel Xeon E5-4650L

PassMark - Single thread mark

CPU 1

CPU 2

1626

1439

PassMark - CPU mark

CPU 1

CPU 2

21621

28193

Name	AMD EPYC 7281	Intel Xeon E5-4650L
PassMark - Single thread mark	1626	1439
PassMark - CPU mark	21621	28193

Compare specifications (specs)

	AMD EPYC 7281	Intel Xeon E5-4650L
Essentials
Architecture codename	Zen	Sandy Bridge EP
Family	AMD EPYC
Launch date	June 2017	May 2012
Place in performance rating	1191	1187
Series	AMD EPYC 7000 Series	Intel® Xeon® Processor E5 Family
Vertical segment	Server	Server
Launch price (MSRP)		$8,685
Price now		$8,684.50
Processor Number		E5-4650L
Status		Discontinued
Value for money (0-100)		0.40
Performance
64 bit support
Base frequency	2.1 GHz	2.60 GHz
Die size	192 mm	435 mm
L1 cache	96 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	256 KB (per core)
L3 cache	32 MB	20480 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum frequency	2.7 GHz	3.10 GHz
Number of cores	16	8
Number of threads	32	16
Transistor count	4800 million	2270 million
Unlocked
Bus Speed		8 GT/s QPI
Number of QPI Links		2
VID voltage range		0.6V-1.35V
Memory
Max memory channels	8	4
Maximum memory bandwidth	307/341 GB/s	51.2 GB/s
Supported memory frequency	2400/2666 MHz
Supported memory types	DDR4	DDR3 800/1066/1333/1600
ECC memory support
Maximum memory size		384 GB
Compatibility
Max number of CPUs in a configuration	2	4
Socket Count	1P/2P
Sockets supported	TR4	FCLGA2011
Thermal Design Power (TDP)	155/170 Watt	115 Watt
Low Halogen Options Available
Package Size		52.5mm x 45.0mm
Peripherals
PCI Express revision	x128	3.0
Max number of PCIe lanes		40
Scalability		4S Only
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® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring