Intel Xeon D-1581 vs Intel Xeon W-2123

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

Intel Xeon W-2123

Differences

Reasons to consider the Intel Xeon D-1581

Around 85% lower typical power consumption: 65 Watt vs 120 Watt
Around 56% better performance in PassMark - CPU mark: 13282 vs 8502

Specifications (specs)
Thermal Design Power (TDP)	65 Watt vs 120 Watt
Benchmarks
PassMark - CPU mark	13282 vs 8502

Reasons to consider the Intel Xeon W-2123

Around 63% higher clock speed: 3.90 GHz vs 2.40 GHz
4x more maximum memory size: 512 GB vs 128 GB
Around 48% better performance in PassMark - Single thread mark: 2188 vs 1482

Specifications (specs)
Maximum frequency	3.90 GHz vs 2.40 GHz
Maximum memory size	512 GB vs 128 GB
Benchmarks
PassMark - Single thread mark	2188 vs 1482

Compare benchmarks

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

PassMark - Single thread mark

CPU 1

CPU 2

1482

2188

PassMark - CPU mark

CPU 1

CPU 2

13282

8502

Name	Intel Xeon D-1581	Intel Xeon W-2123
PassMark - Single thread mark	1482	2188
PassMark - CPU mark	13282	8502
Geekbench 4 - Single Core		952
Geekbench 4 - Multi-Core		4082

Compare specifications (specs)

	Intel Xeon D-1581	Intel Xeon W-2123
Essentials
Architecture codename	Broadwell	Skylake
Launch date	Feb 2016	Q3'17
Place in performance rating	1355	1342
Processor Number	D-1581	W-2123
Series	Intel Xeon D Processor	Intel® Xeon® W Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.80 GHz	3.60 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	3.90 GHz
Bus Speed		0 GT/s QPI
Maximum core temperature		65
Number of cores		4
Number of QPI Links		0
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
Supported memory types	DDR4, DDR3	DDR4 1600/1866/2133/2400/2666
Maximum memory bandwidth		85.3 GB/s
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm	45mm x 52.5mm
Sockets supported	FCBGA1667	FCLGA2066
Thermal Design Power (TDP)	65 Watt	120 Watt
Low Halogen Options Available
Peripherals
Integrated LAN
Max number of PCIe lanes	32	48
Number of USB ports	8
PCI Express revision	2.0/3.0	3.0
PCIe configurations	x4 x8 x16	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® Identity Protection technology
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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units		2
Physical Address Extensions (PAE)		46-bit
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)