Intel Xeon D-1581 processor review

Xeon D-1581 processor released by Intel; release date: Feb 2016. The processor is designed for server-computers and based on Broadwell microarchitecture.

CPU is locked to prevent overclocking. Maximum CPU clock speed - 2.40 GHz. Manufacturing process technology - 14 nm. Cache size: L1 - 1 MB, L2 - 4 MB, L3 - 24 MB.

Supported memory types: DDR4, DDR3. Maximum memory size: 128 GB.

Supported socket types: FCBGA1667. Maximum number of processors in a configuration - 1. Power consumption (TDP): 65 Watt.


Single thread mark
Top 1 CPU
This CPU
CPU mark
Top 1 CPU
This CPU
Name Value
PassMark - Single thread mark 1466
PassMark - CPU mark 10476

Specifications (specs)


Architecture codename Broadwell
Launch date Feb 2016
Place in performance rating 856
Processor Number D-1581
Series Intel Xeon D Processor
Status Launched
Vertical segment Server


64 bit support
Base frequency 1.80 GHz
L1 cache 1 MB
L2 cache 4 MB
L3 cache 24 MB
Manufacturing process technology 14 nm
Maximum frequency 2.40 GHz


Max memory channels 2
Maximum memory size 128 GB
Supported memory frequency 2133 MHz
Supported memory types DDR4, DDR3


Max number of CPUs in a configuration 1
Package Size 37.5 mm x 37.5 mm
Sockets supported FCBGA1667
Thermal Design Power (TDP) 65 Watt


Integrated LAN
Max number of PCIe lanes 32
Number of USB ports 8
PCI Express revision 2.0/3.0
PCIe configurations x4 x8 x16
Scalability 1S Only
Total number of SATA ports 6
USB revision 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 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring


Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)