Xeon E7 2820 vs Intel Xeon D 1540

VS

Intel Xeon E7-2820

Intel Xeon D-1540

We compared two server CPUs: Xeon E7 2820 with 8 cores 2GHz and Intel Xeon D 1540 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 2820 's Advantages

Higher specification of memory (1333 vs 4)

Larger L3 cache size (18MB vs 1.5MB)

Intel Xeon D 1540 's Advantages

Released 3 years and 11 months late

More modern manufacturing process (14nm vs 32nm)

Lower TDP (45W vs 105W)

Score

Xeon E7 2820

VS

Intel Xeon D 1540

General Parameters

Apr 2011

Release Date

Mar 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Broadwell

Intel Socket 1567

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Xeon D (Broadwell-DE)

Package

2.6 billions

Transistor Count

3.2 billions

32 nm

Manufacturing Process

14 nm

105 W

Power Consumption

45 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

513 mm²

Die Size

246 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2 GHz

2.266 GHz

Performance Core Turbo Frequency

2.6 GHz

8

Total Core Count

8

16

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

20.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

18 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

24

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