Intel Xeon E5-1620 v3 vs Intel Xeon D-1527

Comparative analysis of Intel Xeon E5-1620 v3 and Intel Xeon D-1527 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 E5-1620 v3

Intel Xeon D-1527

Differences

Reasons to consider the Intel Xeon E5-1620 v3

Around 33% higher clock speed: 3.60 GHz vs 2.70 GHz
6x more maximum memory size: 768 GB vs 128 GB
Around 30% better performance in PassMark - Single thread mark: 2015 vs 1552
Around 34% better performance in PassMark - CPU mark: 6992 vs 5213

Specifications (specs)
Maximum frequency	3.60 GHz vs 2.70 GHz
Maximum memory size	768 GB vs 128 GB
Benchmarks
PassMark - Single thread mark	2015 vs 1552
PassMark - CPU mark	6992 vs 5213

Reasons to consider the Intel Xeon D-1527

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
4x lower typical power consumption: 35 Watt vs 140 Watt

Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	35 Watt vs 140 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-1620 v3
CPU 2: Intel Xeon D-1527

PassMark - Single thread mark

CPU 1

CPU 2

2015

1552

PassMark - CPU mark

CPU 1

CPU 2

6992

5213

Name	Intel Xeon E5-1620 v3	Intel Xeon D-1527
PassMark - Single thread mark	2015	1552
PassMark - CPU mark	6992	5213
Geekbench 4 - Single Core	831
Geekbench 4 - Multi-Core	3526

Compare specifications (specs)

	Intel Xeon E5-1620 v3	Intel Xeon D-1527
Essentials
Architecture codename	Haswell	Broadwell
Launch date	Q3'14	Q4'15
Place in performance rating	1485	1487
Processor Number	E5-1620V3	D-1527
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.50 GHz	2.20 GHz
Bus Speed	0 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	66.2°C
Maximum frequency	3.60 GHz	2.70 GHz
Number of cores	4	4
Number of QPI Links	0
Number of threads	8	8
VID voltage range	0.65–1.30V
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s
Maximum memory size	768 GB	128 GB
Supported memory types	DDR4 1333/1600/1866/2133	DDR4, DDR3
Supported memory frequency		2133 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	52.5mm x 45.0 mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCBGA1667
Thermal Design Power (TDP)	140 Watt	35 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)