Intel Xeon E5645 vs Xeon EC5549

VS

Intel Xeon E5645

Intel Xeon EC5549

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon EC5549 with 4 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Larger L3 cache size (12MB vs 8MB)

More modern manufacturing process (32nm vs 45nm)

Lower TDP (80W vs 85W)

Xeon EC5549 's Advantages

Higher specification of memory (1333 vs 3)

Higher base frequency (2.533GHz vs 2.4GHz)

Score

Intel Xeon E5645

VS

Xeon EC5549

General Parameters

Mar 2010

Release Date

Feb 2010

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Jasper Forest

Intel Socket 1366

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon(Jasper Forest)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

45 nm

80 W

Power Consumption

85 W

Intel

Foundry

Intel

239 mm²

Die Size

263 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.533 GHz

2.666 GHz

Performance Core Turbo Frequency

2.933 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

19.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3-1333

3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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