Intel Xeon D-1520 vs Intel Xeon E5-4650L

Comparative analysis of Intel Xeon D-1520 and Intel Xeon E5-4650L 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 D-1520

Intel Xeon E5-4650L

Differences

Reasons to consider the Intel Xeon D-1520

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
2.6x lower typical power consumption: 45 Watt vs 115 Watt

Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	45 Watt vs 115 Watt

Reasons to consider the Intel Xeon E5-4650L

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
Around 19% higher clock speed: 3.10 GHz vs 2.60 GHz
3x more maximum memory size: 384 GB vs 128 GB
Around 13% better performance in PassMark - Single thread mark: 1439 vs 1270
5.7x better performance in PassMark - CPU mark: 28193 vs 4917

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum frequency	3.10 GHz vs 2.60 GHz
Maximum memory size	384 GB vs 128 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - Single thread mark	1439 vs 1270
PassMark - CPU mark	28193 vs 4917

Compare benchmarks

CPU 1: Intel Xeon D-1520
CPU 2: Intel Xeon E5-4650L

PassMark - Single thread mark

CPU 1

CPU 2

1270

1439

PassMark - CPU mark

CPU 1

CPU 2

4917

28193

Name	Intel Xeon D-1520	Intel Xeon E5-4650L
PassMark - Single thread mark	1270	1439
PassMark - CPU mark	4917	28193
Geekbench 4 - Single Core	2155
Geekbench 4 - Multi-Core	7331

Compare specifications (specs)

	Intel Xeon D-1520	Intel Xeon E5-4650L
Essentials
Architecture codename	Broadwell	Sandy Bridge EP
Launch date	Q1'15	May 2012
Place in performance rating	1245	1242
Processor Number	D-1520	E5-4650L
Series	Intel® Xeon® D Processor	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$8,685
Price now		$8,684.50
Value for money (0-100)		0.40
Performance
64 bit support
Base frequency	2.20 GHz	2.60 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	80°C
Maximum frequency	2.60 GHz	3.10 GHz
Number of cores	4	8
Number of threads	8	16
Bus Speed		8 GT/s QPI
Die size		435 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		20480 KB (shared)
Number of QPI Links		2
Transistor count		2270 million
VID voltage range		0.6V-1.35V
Memory
Max memory channels	2	4
Maximum memory size	128 GB	384 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4	DDR3 800/1066/1333/1600
ECC memory support
Maximum memory bandwidth		51.2 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	4
Package Size	37.5mm x 37.5mm	52.5mm x 45.0mm
Sockets supported	FCBGA1667	FCLGA2011
Thermal Design Power (TDP)	45 Watt	115 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	32	40
Number of USB ports	8
PCI Express revision	2.0/3.0	3.0
PCIe configurations	x4 x8 x16
Scalability	1S Only	4S Only
Total number of SATA ports	6
UART
USB revision	2.0/3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel® AVX2	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)