Intel Xeon E5-1660 v3 vs Intel Xeon D-2141I

Comparative analysis of Intel Xeon E5-1660 v3 and Intel Xeon D-2141I 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 v3

Intel Xeon D-2141I

Differences

Reasons to consider the Intel Xeon E5-1660 v3

Around 17% higher clock speed: 3.50 GHz vs 3.00 GHz
Around 50% higher maximum memory size: 768 GB vs 512 GB
Around 15% better performance in PassMark - Single thread mark: 1974 vs 1713
Around 3% better performance in PassMark - CPU mark: 12493 vs 12117

Specifications (specs)
Maximum frequency	3.50 GHz vs 3.00 GHz
Maximum memory size	768 GB vs 512 GB
Benchmarks
PassMark - Single thread mark	1974 vs 1713
PassMark - CPU mark	12493 vs 12117

Reasons to consider the Intel Xeon D-2141I

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2.2x lower typical power consumption: 65 Watt vs 140 Watt

Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	65 Watt vs 140 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-1660 v3
CPU 2: Intel Xeon D-2141I

PassMark - Single thread mark

CPU 1

CPU 2

1974

1713

PassMark - CPU mark

CPU 1

CPU 2

12493

12117

Name	Intel Xeon E5-1660 v3	Intel Xeon D-2141I
PassMark - Single thread mark	1974	1713
PassMark - CPU mark	12493	12117
Geekbench 4 - Single Core	907
Geekbench 4 - Multi-Core	7564

Compare specifications (specs)

	Intel Xeon E5-1660 v3	Intel Xeon D-2141I
Essentials
Architecture codename	Haswell	Skylake
Launch date	Q3'14	Q1'18
Place in performance rating	1300	1301
Processor Number	E5-1660V3	D-2141I
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.00 GHz	2.20 GHz
Bus Speed	0 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	65.9°C
Maximum frequency	3.50 GHz	3.00 GHz
Number of cores	8	8
Number of QPI Links	0
Number of threads	16	16
VID voltage range	0.65–1.30V
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s
Maximum memory size	768 GB	512 GB
Supported memory types	DDR4 1333/1600/1866/2133	DDR4
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
Sockets supported	FCLGA2011-3	FCBGA2518
Thermal Design Power (TDP)	140 Watt	65 Watt
Peripherals
Max number of PCIe lanes	40	32
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	>
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
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
Integrated Intel® QuickAssist Technology
Intel® Optane™ Memory Supported
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units		1
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)