Intel Xeon D-1523N vs Intel Xeon D-1521

Comparative analysis of Intel Xeon D-1523N and Intel Xeon D-1521 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-1523N

Intel Xeon D-1521

Differences

Reasons to consider the Intel Xeon D-1521

Around 4% higher clock speed: 2.70 GHz vs 2.60 GHz

Maximum frequency	2.70 GHz vs 2.60 GHz

Compare benchmarks

CPU 1: Intel Xeon D-1523N
CPU 2: Intel Xeon D-1521

Name	Intel Xeon D-1523N	Intel Xeon D-1521
PassMark - Single thread mark		1651
PassMark - CPU mark		5690

Compare specifications (specs)

	Intel Xeon D-1523N	Intel Xeon D-1521
Essentials
Architecture codename	Broadwell	Broadwell
Launch date	Q3'17	Q4'15
Place in performance rating	not rated	1491
Processor Number	D-1523N	D-1521
Series	Intel® Xeon® D Processor	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	2.40 GHz
Manufacturing process technology	14 nm	14 nm
Maximum frequency	2.60 GHz	2.70 GHz
Number of cores	4	4
Number of QPI Links	0
Number of threads	8	8
Memory
Max memory channels	2	2
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4, DDR3	DDR4, DDR3
Supported memory frequency		2133 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCBGA1667	FCBGA1667
Thermal Design Power (TDP)	45 Watt	45 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	32	32
Max number of SATA 6 Gb/s Ports	6
Number of USB ports	8	8
PCI Express revision	2.0/3.0	2.0/3.0
PCIe configurations	x4 x8 x16	x4 x8 x16
Scalability	1S Only	1S Only
Total number of SATA ports	6	6
UART
USB revision	2.0/3.0	2.0/3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel® AVX2	Intel® AVX2
Integrated Intel® QuickAssist Technology
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)