Intel Xeon E5 4640 v3 vs Intel Xeon D 1581

VS

Intel Xeon E5-4640 v3

Intel Xeon D-1581

We compared two server CPUs: Intel Xeon E5 4640 v3 with 12 cores 1.9GHz 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

Intel Xeon E5 4640 v3 's Advantages

Higher specification of memory (1866 vs 4)

Higher base frequency (1.9GHz vs 1.8GHz)

Larger L3 cache size (30MB vs 1.5MB)

Intel Xeon D 1581 's Advantages

Released 8 months late

More modern manufacturing process (14nm vs 22nm)

Lower TDP (65W vs 105W)

Score

Intel Xeon E5 4640 v3

VS

Intel Xeon D 1581

General Parameters

Jun 2015

Release Date

Feb 2016

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Broadwell

Intel Socket 2011-3

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon D (Broadwell-DE)

Package

2.6 billions

Transistor Count

3.2 billions

22 nm

Manufacturing Process

14 nm

105 W

Power Consumption

65 W

78 °C

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

356 mm²

Die Size

246 mm²

CPU Performance

1.9 GHz

Performance Core Base Frequency

1.8 GHz

2.6 GHz

Performance Core Turbo Frequency

2.4 GHz

12

Total Core Count

16

24

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

19.0

Multiplier

18.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

30 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

4

SMP

1

Memory Parameters

DDR4-1866

Memory Types

DDR3,DDR4

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

24

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