Intel Xeon D-1581 vs Intel Xeon E7-8870

Comparative analysis of Intel Xeon D-1581 and Intel Xeon E7-8870 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 Xeon E7-8870

Differences

Reasons to consider the Intel Xeon D-1581

CPU is newer: launch date 4 year(s) 10 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
16x more L1 cache, more data can be stored in the L1 cache for quick access later
16x more L2 cache, more data can be stored in the L2 cache for quick access later
2x lower typical power consumption: 65 Watt vs 130 Watt
Around 32% better performance in PassMark - Single thread mark: 1482 vs 1124

Specifications (specs)
Launch date	Feb 2016 vs April 2011
Manufacturing process technology	14 nm vs 32 nm
L1 cache	1 MB vs 64 KB (per core)
L2 cache	4 MB vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1482 vs 1124

Reasons to consider the Intel Xeon E7-8870

Around 17% higher clock speed: 2.80 GHz vs 2.40 GHz
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
32x more maximum memory size: 4 TB vs 128 GB
Around 84% better performance in PassMark - CPU mark: 24434 vs 13282

Specifications (specs)
Maximum frequency	2.80 GHz vs 2.40 GHz
L3 cache	30720 KB (shared) vs 24 MB
Maximum memory size	4 TB vs 128 GB
Max number of CPUs in a configuration	8 vs 1
Benchmarks
PassMark - CPU mark	24434 vs 13282

Compare benchmarks

CPU 1: Intel Xeon D-1581
CPU 2: Intel Xeon E7-8870

PassMark - Single thread mark

CPU 1

CPU 2

1482

1124

PassMark - CPU mark

CPU 1

CPU 2

13282

24434

Name	Intel Xeon D-1581	Intel Xeon E7-8870
PassMark - Single thread mark	1482	1124
PassMark - CPU mark	13282	24434

Compare specifications (specs)

	Intel Xeon D-1581	Intel Xeon E7-8870
Essentials
Architecture codename	Broadwell	Westmere EX
Launch date	Feb 2016	April 2011
Place in performance rating	1447	1463
Processor Number	D-1581	E7-8870
Series	Intel Xeon D Processor	Intel® Xeon® Processor E7 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.80 GHz	2.40 GHz
L1 cache	1 MB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
L3 cache	24 MB	30720 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum frequency	2.40 GHz	2.80 GHz
Bus Speed		6.4 GT/s QPI
Die size		513 mm
Maximum core temperature		69°C
Number of cores		10
Number of threads		20
Transistor count		2600 million
Memory
Max memory channels	2	4
Maximum memory size	128 GB	4 TB
Supported memory frequency	2133 MHz
Supported memory types	DDR4, DDR3	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)
ECC memory support
Compatibility
Max number of CPUs in a configuration	1	8
Package Size	37.5 mm x 37.5 mm	49.17mm x 56.47mm
Sockets supported	FCBGA1667	LGA1567
Thermal Design Power (TDP)	65 Watt	130 Watt
Low Halogen Options Available
Peripherals
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	S8S
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® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
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)