Intel Xeon D-1581 vs Intel Xeon E3-1235L v5

Comparative analysis of Intel Xeon D-1581 and Intel Xeon E3-1235L v5 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon D-1581

Intel Xeon E3-1235L v5

Differences

Reasons to consider the Intel Xeon D-1581

2x more maximum memory size: 128 GB vs 64 GB
2.6x better performance in PassMark - CPU mark: 13282 vs 5013

Specifications (specs)
Maximum memory size	128 GB vs 64 GB
Benchmarks
PassMark - CPU mark	13282 vs 5013

Reasons to consider the Intel Xeon E3-1235L v5

Around 25% higher clock speed: 3.00 GHz vs 2.40 GHz
2.6x lower typical power consumption: 25 Watt vs 65 Watt
Around 19% better performance in PassMark - Single thread mark: 1761 vs 1482

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	1761 vs 1482

Compare benchmarks

CPU 1: Intel Xeon D-1581
CPU 2: Intel Xeon E3-1235L v5

PassMark - Single thread mark

CPU 1

CPU 2

1482

1761

PassMark - CPU mark

CPU 1

CPU 2

13282

5013

Name	Intel Xeon D-1581	Intel Xeon E3-1235L v5
PassMark - Single thread mark	1482	1761
PassMark - CPU mark	13282	5013

Compare specifications (specs)

	Intel Xeon D-1581	Intel Xeon E3-1235L v5
Essentials
Architecture codename	Broadwell	Skylake
Launch date	Feb 2016	Q4'15
Place in performance rating	1447	1436
Processor Number	D-1581	E3-1235LV5
Series	Intel Xeon D Processor	Intel® Xeon® Processor E3 v5 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	14 nm
Maximum frequency	2.40 GHz	3.00 GHz
Bus Speed		8 GT/s DMI3
Number of cores		4
Number of threads		4
VID voltage range		0.55V-1.52V
Memory
Max memory channels	2	2
Maximum memory size	128 GB	64 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4, DDR3	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Maximum memory bandwidth		34.1 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	FCLGA1151
Thermal Design Power (TDP)	65 Watt	25 Watt
Low Halogen Options Available
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)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
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® 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)
Graphics
Device ID		0x191D
Graphics base frequency		400 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		64 GB
Processor graphics		Intel® HD Graphics P530
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported		3
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2304@24Hz
Graphics API support
DirectX		12
OpenGL		4.4