Intel Xeon E5603 vs Intel Xeon X5660

VS

Intel Xeon E5603

Intel Xeon X5660

We compared two server CPUs: Intel Xeon E5603 with 4 cores 1.6GHz and Intel Xeon X5660 with 6 cores 2.8GHz . 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

Lower TDP (80W vs 95W)

Intel Xeon X5660 's Advantages

Higher base frequency (2.8GHz vs 1.6GHz)

Larger L3 cache size (12MB vs 4MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5603

201

Intel Xeon X5660 +134%

471

Geekbench 6 Multi Core

Intel Xeon E5603

586

Intel Xeon X5660 +254%

2075

Intel Xeon E5603

VS

Intel Xeon X5660

General Parameters

Feb 2011

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Westmere-EP

Intel Socket 1366

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon (Westmere-EP)

Package

1.17 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

95 W

Intel

Foundry

Intel

239 mm²

Die Size

239 mm²

CPU Performance

1.6 GHz

Performance Core Base Frequency

2.8 GHz

0

Performance Core Turbo Frequency

3.2 GHz

4

Total Core Count

6

4

Total Thread Count

12

133 MHz

Bus Frequency

133 MHz

12.0

Multiplier

21.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

4 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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