Intel Xeon D 1581 vs Xeon E7 2820

VS

Intel Xeon D-1581

Intel Xeon E7-2820

We compared two server CPUs: Intel Xeon D 1581 with 16 cores 1.8GHz and Xeon E7 2820 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon D 1581 's Advantages

Released 4 years and 10 months late

More modern manufacturing process (14nm vs 32nm)

Lower TDP (65W vs 105W)

Xeon E7 2820 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2GHz vs 1.8GHz)

Larger L3 cache size (18MB vs 1.5MB)

Score

Intel Xeon D 1581

VS

Xeon E7 2820

General Parameters

Feb 2016

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Westmere-EX

Intel BGA 1667

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

Xeon E7(Westmere-EX)

Package

3.2 billions

Transistor Count

2.6 billions

14 nm

Manufacturing Process

32 nm

65 W

Power Consumption

105 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

246 mm²

Die Size

513 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2 GHz

2.4 GHz

Performance Core Turbo Frequency

2.266 GHz

16

Total Core Count

8

32

Total Thread Count

16

100 MHz

Bus Frequency

133 MHz

18.0

Multiplier

15.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

1.5 MB per core

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3-1333

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

24

PCIe Lanes

-

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