Xeon E7520 vs Intel Xeon E5 1603 v3

VS

Intel Xeon E7520

Intel Xeon E5-1603 v3

We compared two server CPUs: Xeon E7520 with 4 cores 1.866GHz and Intel Xeon E5 1603 v3 with 4 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7520 's Advantages

Larger L3 cache size (18MB vs 10MB)

Lower TDP (95W vs 140W)

Intel Xeon E5 1603 v3 's Advantages

Released 4 years and 6 months late

Higher specification of memory (1866 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (2.8GHz vs 1.866GHz)

More modern manufacturing process (22nm vs 45nm)

Score

Xeon E7520

VS

Intel Xeon E5 1603 v3

General Parameters

Mar 2010

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Nehalem-EX

Core Architecture

Haswell-EP

Intel Socket 1567

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon(Beckton)

Generation

Xeon E5 (Haswell-EP)

Package

2.3 billions

Transistor Count

2.6 billions

45 nm

Manufacturing Process

22 nm

95 W

Power Consumption

140 W

Intel

Foundry

Intel

684 mm²

Die Size

356 mm²

CPU Performance

1.866 GHz

Performance Core Base Frequency

2.8 GHz

0

Performance Core Turbo Frequency

0

4

Total Core Count

4

8

Total Thread Count

4

133 MHz

Bus Frequency

100 MHz

14.0

Multiplier

28.0

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

10 MB shared

No

Unlocked Multiplier

No

8

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR4-1866

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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