Xeon L5639 vs Intel Xeon D 1581

VS

Intel Xeon L5639

Intel Xeon D-1581

We compared two server CPUs: Xeon L5639 with 6 cores 2.133GHz and Intel Xeon D 1581 with 16 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5639 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2.133GHz vs 1.8GHz)

Larger L3 cache size (12MB vs 1.5MB)

Lower TDP (60W vs 65W)

Intel Xeon D 1581 's Advantages

Released 5 years late

Newer PCIe version (3 vs 2)

More modern manufacturing process (14nm vs 32nm)

Score

Xeon L5639

VS

Intel Xeon D 1581

General Parameters

Feb 2011

Release Date

Feb 2016

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Broadwell

Intel Socket 1366

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon D (Broadwell-DE)

Package

1.17 billions

Transistor Count

3.2 billions

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

65 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

239 mm²

Die Size

246 mm²

CPU Performance

2.133 GHz

Performance Core Base Frequency

1.8 GHz

2.667 GHz

Performance Core Turbo Frequency

2.4 GHz

6

Total Core Count

16

12

Total Thread Count

32

133 MHz

Bus Frequency

100 MHz

16.0

Multiplier

18.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

24

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