Intel Xeon D-1581 vs Intel Pentium D1508

Comparative analysis of Intel Xeon D-1581 and Intel Pentium D1508 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 Pentium D1508

Differences

Reasons to consider the Intel Xeon D-1581

4.1x better performance in PassMark - CPU mark: 13282 vs 3240

Benchmarks
PassMark - CPU mark	13282 vs 3240

Reasons to consider the Intel Pentium D1508

Around 8% higher clock speed: 2.60 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: 1760 vs 1482

Specifications (specs)
Maximum frequency	2.60 GHz vs 2.40 GHz
Thermal Design Power (TDP)	25 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	1760 vs 1482

Compare benchmarks

CPU 1: Intel Xeon D-1581
CPU 2: Intel Pentium D1508

PassMark - Single thread mark

CPU 1

CPU 2

1482

1760

PassMark - CPU mark

CPU 1

CPU 2

13282

3240

Name	Intel Xeon D-1581	Intel Pentium D1508
PassMark - Single thread mark	1482	1760
PassMark - CPU mark	13282	3240

Compare specifications (specs)

	Intel Xeon D-1581	Intel Pentium D1508
Essentials
Architecture codename	Broadwell	Broadwell
Launch date	Feb 2016	Q4'15
Place in performance rating	1447	1470
Processor Number	D-1581	D1508
Series	Intel Xeon D Processor	Intel® Pentium® Processor D Series
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	2.60 GHz
Number of cores		2
Number of threads		4
Memory
Max memory channels	2	2
Maximum memory size	128 GB	128 GB
Supported memory frequency	2133 MHz	1866 MHz
Supported memory types	DDR4, DDR3	DDR4, DDR3
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	FCBGA1667
Thermal Design Power (TDP)	65 Watt	25 Watt
Low Halogen Options Available
Peripherals
Integrated LAN
Max number of PCIe lanes	32	32
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)
Intel® Identity Protection technology
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
Intel® TSX-NI
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)