Intel Xeon D-1581 vs Intel Xeon D-2123IT

Comparative analysis of Intel Xeon D-1581 and Intel Xeon D-2123IT 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 D-2123IT

Differences

Reasons to consider the Intel Xeon D-1581

Around 99% better performance in PassMark - CPU mark: 13259 vs 6660

Benchmarks
PassMark - CPU mark	13259 vs 6660

Reasons to consider the Intel Xeon D-2123IT

Around 25% higher clock speed: 3.00 GHz vs 2.40 GHz
4x more maximum memory size: 512 GB vs 128 GB
Around 8% lower typical power consumption: 60 Watt vs 65 Watt
Around 15% better performance in PassMark - Single thread mark: 1710 vs 1484

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.40 GHz
Maximum memory size	512 GB vs 128 GB
Thermal Design Power (TDP)	60 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	1710 vs 1484

Compare benchmarks

CPU 1: Intel Xeon D-1581
CPU 2: Intel Xeon D-2123IT

PassMark - Single thread mark

CPU 1

CPU 2

1484

1710

PassMark - CPU mark

CPU 1

CPU 2

13259

6660

Name	Intel Xeon D-1581	Intel Xeon D-2123IT
PassMark - Single thread mark	1484	1710
PassMark - CPU mark	13259	6660

Compare specifications (specs)

	Intel Xeon D-1581	Intel Xeon D-2123IT
Essentials
Architecture codename	Broadwell	Skylake
Launch date	Feb 2016	Q1'18
Place in performance rating	1447	1437
Processor Number	D-1581	D-2123IT
Series	Intel Xeon D Processor	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.80 GHz	2.20 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
Number of cores		4
Number of threads		8
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	2	4
Maximum memory size	128 GB	512 GB
Supported memory frequency	2133 MHz	2400 MHz
Supported memory types	DDR4, DDR3	DDR4
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm
Sockets supported	FCBGA1667	FCBGA2518
Thermal Design Power (TDP)	65 Watt	60 Watt
Low Halogen Options Available
Peripherals
Integrated LAN
Max number of PCIe lanes	32	32
Number of USB ports	8
PCI Express revision	2.0/3.0	3.0
PCIe configurations	x4 x8 x16	>
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® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Integrated Intel® QuickAssist Technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
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)