Intel Xeon D-1581 vs Intel Xeon E3-1240L v3

Comparative analysis of Intel Xeon D-1581 and Intel Xeon E3-1240L v3 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.

Intel Xeon D-1581

Intel Xeon E3-1240L v3

Differences

Reasons to consider the Intel Xeon D-1581

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
4x more maximum memory size: 128 GB vs 32 GB
2.3x better performance in PassMark - CPU mark: 13259 vs 5655

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	128 GB vs 32 GB
Benchmarks
PassMark - CPU mark	13259 vs 5655

Reasons to consider the Intel Xeon E3-1240L v3

Around 25% higher clock speed: 3.00 GHz vs 2.40 GHz
2.6x lower typical power consumption: 25 Watt vs 65 Watt
Around 17% better performance in PassMark - Single thread mark: 1739 vs 1484

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.40 GHz
Thermal Design Power (TDP)	25 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	1739 vs 1484

Compare benchmarks

CPU 1: Intel Xeon D-1581
CPU 2: Intel Xeon E3-1240L v3

PassMark - Single thread mark

CPU 1

CPU 2

1484

1739

PassMark - CPU mark

CPU 1

CPU 2

13259

5655

Name	Intel Xeon D-1581	Intel Xeon E3-1240L v3
PassMark - Single thread mark	1484	1739
PassMark - CPU mark	13259	5655

Compare specifications (specs)

	Intel Xeon D-1581	Intel Xeon E3-1240L v3
Essentials
Architecture codename	Broadwell	Haswell
Launch date	Feb 2016	Q2'14
Place in performance rating	1447	1436
Processor Number	D-1581	E3-1240LV3
Series	Intel Xeon D Processor	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.80 GHz	2.00 GHz
L1 cache	1 MB
L2 cache	4 MB
L3 cache	24 MB
Manufacturing process technology	14 nm	22 nm
Maximum frequency	2.40 GHz	3.00 GHz
Bus Speed		5 GT/s DMI2
Number of cores		4
Number of QPI Links		0
Number of threads		8
Memory
Max memory channels	2	2
Maximum memory size	128 GB	32 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4, DDR3	DDR3 and DDR3L 1333/1600 at 1.5V
Maximum memory bandwidth		25.6 GB/s
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm	37.5mm x 37.5mm
Sockets supported	FCBGA1667	FCLGA1150
Thermal Design Power (TDP)	65 Watt	25 Watt
Low Halogen Options Available
Thermal Solution		PCG 2013A
Peripherals
Integrated LAN
Max number of PCIe lanes	32	16
Number of USB ports	8
PCI Express revision	2.0/3.0	3.0
PCIe configurations	x4 x8 x16	1x16, 2x8, 1x8/2x4
Scalability	1S Only	1S 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)
Anti-Theft technology
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
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)