Intel Xeon E5-1660 v4 vs Intel Xeon D-1520

Comparative analysis of Intel Xeon E5-1660 v4 and Intel Xeon D-1520 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 E5-1660 v4

Intel Xeon D-1520

Differences

Reasons to consider the Intel Xeon E5-1660 v4

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
Around 46% higher clock speed: 3.80 GHz vs 2.60 GHz
12x more maximum memory size: 1.5 TB vs 128 GB
Around 74% better performance in PassMark - Single thread mark: 2207 vs 1270
2.8x better performance in PassMark - CPU mark: 13624 vs 4917

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum frequency	3.80 GHz vs 2.60 GHz
Maximum memory size	1.5 TB vs 128 GB
Benchmarks
PassMark - Single thread mark	2207 vs 1270
PassMark - CPU mark	13624 vs 4917

Reasons to consider the Intel Xeon D-1520

Around 14% higher maximum core temperature: 80°C vs 70°C
3.1x lower typical power consumption: 45 Watt vs 140 Watt
2.4x better performance in Geekbench 4 - Single Core: 2155 vs 888
Around 7% better performance in Geekbench 4 - Multi-Core: 7331 vs 6851

Specifications (specs)
Maximum core temperature	80°C vs 70°C
Thermal Design Power (TDP)	45 Watt vs 140 Watt
Benchmarks
Geekbench 4 - Single Core	2155 vs 888
Geekbench 4 - Multi-Core	7331 vs 6851

Compare benchmarks

CPU 1: Intel Xeon E5-1660 v4
CPU 2: Intel Xeon D-1520

PassMark - Single thread mark

CPU 1

CPU 2

2207

1270

PassMark - CPU mark

CPU 1

CPU 2

13624

4917

Geekbench 4 - Single Core

CPU 1

CPU 2

888

2155

Geekbench 4 - Multi-Core

CPU 1

CPU 2

6851

7331

Name	Intel Xeon E5-1660 v4	Intel Xeon D-1520
PassMark - Single thread mark	2207	1270
PassMark - CPU mark	13624	4917
Geekbench 4 - Single Core	888	2155
Geekbench 4 - Multi-Core	6851	7331

Compare specifications (specs)

	Intel Xeon E5-1660 v4	Intel Xeon D-1520
Essentials
Architecture codename	Broadwell	Broadwell
Launch date	Q2'16	Q1'15
Place in performance rating	1249	1244
Processor Number	E5-1660V4	D-1520
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.20 GHz	2.20 GHz
Bus Speed	0 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	70°C	80°C
Maximum frequency	3.80 GHz	2.60 GHz
Number of cores	8	4
Number of QPI Links	0
Number of threads	16	8
Memory
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s
Maximum memory size	1.5 TB	128 GB
Supported memory types	DDR4 1600/1866/2133/2400	DDR4
Supported memory frequency		2133 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	45mm x 52.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCBGA1667
Thermal Design Power (TDP)	140 Watt	45 Watt
Peripherals
Max number of PCIe lanes	40	32
PCI Express revision	3.0	2.0/3.0
PCIe configurations	x4, x8, x16	x4 x8 x16
Scalability	1S Only	1S Only
Integrated LAN
Number of USB ports		8
Total number of SATA ports		6
UART
USB revision		2.0/3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
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® AVX2
Intel 64
Intel® AES New Instructions
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
General-Purpose Input/Output (GPIO)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)