Intel Xeon E5649 vs Intel Xeon E5603

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Intel Xeon E5649

Intel Xeon E5603

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Intel Xeon E5603 with 4 cores 1.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 1.6GHz)

Larger L3 cache size (12MB vs 4MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5649 +104%

411

Intel Xeon E5603

201

Geekbench 6 Multi Core

Intel Xeon E5649 +194%

1727

Intel Xeon E5603

586

Intel Xeon E5649

VS

Intel Xeon E5603

General Parameters

Feb 2011

Release Date

Feb 2011

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

80 W

Intel

Foundry

Intel

239 mm²

Die Size

239 mm²

CPU Performance

2.533 GHz

Performance Core Base Frequency

1.6 GHz

2.8 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

4

12

Total Thread Count

4

133 MHz

Bus Frequency

133 MHz

19.0

Multiplier

12.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

4 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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