Intel Xeon E5640 vs Xeon E5540

VS

Intel Xeon E5640

Intel Xeon E5540

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Xeon E5540 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 E5640 's Advantages

Released 1 years late

Higher base frequency (2.666GHz vs 2.533GHz)

Larger L3 cache size (12MB vs 8MB)

More modern manufacturing process (32nm vs 45nm)

Xeon E5540 's Advantages

Higher specification of memory (1066 vs 3)

Score

Intel Xeon E5640

VS

Xeon E5540

General Parameters

Mar 2010

Release Date

Mar 2009

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Gainestown

Intel Socket 1366

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon(Gainestown)

Package

1.17 billions

Transistor Count

0.731 billions

32 nm

Manufacturing Process

45 nm

80 W

Power Consumption

80 W

Intel

Foundry

Intel

239 mm²

Die Size

263 mm²

CPU Performance

2.666 GHz

Performance Core Base Frequency

2.533 GHz

2.933 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

4

8

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

20.0

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

DDR3-1066

3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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