Intel Xeon D-1528 vs Intel Xeon X5647

Comparative analysis of Intel Xeon D-1528 and Intel Xeon X5647 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-1528

Intel Xeon X5647

Differences

Reasons to consider the Intel Xeon D-1528

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
3.7x lower typical power consumption: 35 Watt vs 130 Watt
Around 4% better performance in PassMark - Single thread mark: 1469 vs 1418

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	35 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1469 vs 1418

Reasons to consider the Intel Xeon X5647

Around 28% higher clock speed: 3.20 GHz vs 2.50 GHz
2.3x more maximum memory size: 288 GB vs 128 GB
Around 23% better performance in PassMark - CPU mark: 8369 vs 6785

Specifications (specs)
Maximum frequency	3.20 GHz vs 2.50 GHz
Maximum memory size	288 GB vs 128 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	8369 vs 6785

Compare benchmarks

CPU 1: Intel Xeon D-1528
CPU 2: Intel Xeon X5647

PassMark - Single thread mark

CPU 1

CPU 2

1469

1418

PassMark - CPU mark

CPU 1

CPU 2

6785

8369

Name	Intel Xeon D-1528	Intel Xeon X5647
PassMark - Single thread mark	1469	1418
PassMark - CPU mark	6785	8369

Compare specifications (specs)

	Intel Xeon D-1528	Intel Xeon X5647
Essentials
Architecture codename	Broadwell	Westmere EP
Launch date	Q4'15	February 2011
Place in performance rating	1519	1527
Processor Number	D-1528	X5647
Series	Intel® Xeon® D Processor	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$175
Price now		$199.75
Value for money (0-100)		8.82
Performance
64 bit support
Base frequency	1.90 GHz	2.93 GHz
Manufacturing process technology	14 nm	32 nm
Maximum frequency	2.50 GHz	3.20 GHz
Number of cores	6	4
Number of threads	12	8
Bus Speed		5.86 GT/s QPI
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		12288 KB (shared)
Maximum core temperature		80.4°C
Number of QPI Links		2
Transistor count		1170 million
VID voltage range		0.750V-1.350V
Memory
Max memory channels	2	3
Maximum memory size	128 GB	288 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4, DDR3	DDR3 800/1066
ECC memory support
Maximum memory bandwidth		25.6 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	42.5mm X 45mm
Sockets supported	FCBGA1667	FCLGA1366
Thermal Design Power (TDP)	35 Watt	130 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	32
Number of USB ports	4
PCI Express revision	2.0/3.0
PCIe configurations	x4 x8 x16
Scalability	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)
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)