AMD EPYC Embedded 3251 vs Intel Xeon E5-4650L

Comparative analysis of AMD EPYC Embedded 3251 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 Embedded 3251

Intel Xeon E5-4650L

Differences

Reasons to consider the AMD EPYC Embedded 3251

CPU is newer: launch date 5 year(s) 9 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 33% higher maximum memory size: 512 GB vs 384 GB
2.3x lower typical power consumption: 50 Watt vs 115 Watt
Around 31% better performance in PassMark - Single thread mark: 1881 vs 1439

Specifications (specs)
Launch date	21 Feb 2018 vs May 2012
Unlocked	Unlocked vs Locked
Manufacturing process technology	14 nm vs 32 nm
L1 cache	768 KB vs 64 KB (per core)
L2 cache	4 MB vs 256 KB (per core)
Maximum memory size	512 GB vs 384 GB
Thermal Design Power (TDP)	50 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1881 vs 1439

Reasons to consider the Intel Xeon E5-4650L

Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
2x better performance in PassMark - CPU mark: 28193 vs 13912

Specifications (specs)
L3 cache	20480 KB (shared) vs 16 MB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	28193 vs 13912

Compare benchmarks

CPU 1: AMD EPYC Embedded 3251
CPU 2: Intel Xeon E5-4650L

PassMark - Single thread mark

CPU 1

CPU 2

1881

1439

PassMark - CPU mark

CPU 1

CPU 2

13912

28193

Name	AMD EPYC Embedded 3251	Intel Xeon E5-4650L
PassMark - Single thread mark	1881	1439
PassMark - CPU mark	13912	28193

Compare specifications (specs)

	AMD EPYC Embedded 3251	Intel Xeon E5-4650L
Essentials
Architecture codename	Zen	Sandy Bridge EP
Launch date	21 Feb 2018	May 2012
Place in performance rating	1189	1187
Vertical segment	Server	Server
Launch price (MSRP)		$8,685
Price now		$8,684.50
Processor Number		E5-4650L
Series		Intel® Xeon® Processor E5 Family
Status		Discontinued
Value for money (0-100)		0.40
Performance
64 bit support
Base frequency	2.5 GHz	2.60 GHz
Die size	192 mm	435 mm
L1 cache	768 KB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
L3 cache	16 MB	20480 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum frequency	3.1 GHz	3.10 GHz
Number of cores	8	8
Number of threads	16	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
ECC memory support
Max memory channels	2	4
Maximum memory bandwidth	39.74 GB/s	51.2 GB/s
Maximum memory size	512 GB	384 GB
Supported memory types	DDR4-2666	DDR3 800/1066/1333/1600
Compatibility
Max number of CPUs in a configuration	1	4
Thermal Design Power (TDP)	50 Watt	115 Watt
Low Halogen Options Available
Package Size		52.5mm x 45.0mm
Sockets supported		FCLGA2011
Peripherals
Integrated LAN
Max number of PCIe lanes	32	40
PCI Express revision	3.0	3.0
PCIe configurations	x16, x8, x4, x2
Total number of SATA ports	8
USB revision	3.0
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