Intel Xeon E5603 vs Xeon E7520

VS

Intel Xeon E5603

Intel Xeon E7520

We compared two server CPUs: Intel Xeon E5603 with 4 cores 1.6GHz 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 E5603 's Advantages

Released 11 months late

More modern manufacturing process (32nm vs 45nm)

Lower TDP (80W vs 95W)

Xeon E7520 's Advantages

Higher specification of memory (1333 vs 3)

Higher base frequency (1.866GHz vs 1.6GHz)

Larger L3 cache size (18MB vs 4MB)

Score

Intel Xeon E5603

VS

Xeon E7520

General Parameters

Feb 2011

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Nehalem-EX

Intel Socket 1366

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon(Beckton)

Package

1.17 billions

Transistor Count

2.3 billions

32 nm

Manufacturing Process

45 nm

80 W

Power Consumption

95 W

Intel

Foundry

Intel

239 mm²

Die Size

684 mm²

CPU Performance

1.6 GHz

Performance Core Base Frequency

1.866 GHz

0

Performance Core Turbo Frequency

0

4

Total Core Count

4

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

12.0

Multiplier

14.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

4 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR3

Memory Types

DDR3-1333

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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