Intel Xeon D 1520 vs Xeon E7520

VS

Intel Xeon D-1520

Intel Xeon E7520

We compared two server CPUs: Intel Xeon D 1520 with 4 cores 2.2GHz and Xeon E7520 with 4 cores 1.866GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon D 1520 's Advantages

Released 5 years late

Newer PCIe version (3 vs 2)

Higher base frequency (2.2GHz vs 1.866GHz)

More modern manufacturing process (14nm vs 45nm)

Lower TDP (45W vs 95W)

Xeon E7520 's Advantages

Higher specification of memory (1333 vs 4)

Larger L3 cache size (18MB vs 1.5MB)

Score

Intel Xeon D 1520

VS

Xeon E7520

General Parameters

Mar 2015

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Nehalem-EX

Intel BGA 1667

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

Xeon(Beckton)

Package

3.2 billions

Transistor Count

2.3 billions

14 nm

Manufacturing Process

45 nm

45 W

Power Consumption

95 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

246 mm²

Die Size

684 mm²

CPU Performance

2.2 GHz

Performance Core Base Frequency

1.866 GHz

2.6 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

22.0

Multiplier

14.0

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

8

Memory Parameters

DDR3,DDR4

Memory Types

DDR3-1333

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

24

PCIe Lanes

-

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