Xeon E6540 vs Xeon L5645

VS

Intel Xeon E6540

Intel Xeon L5645

We compared two server CPUs: Xeon E6540 with 6 cores 2GHz and Xeon L5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E6540 's Advantages

Larger L3 cache size (18MB vs 12MB)

Xeon L5645 's Advantages

Released 11 months late

Higher base frequency (2.4GHz vs 2GHz)

More modern manufacturing process (32nm vs 45nm)

Lower TDP (60W vs 105W)

Score

Xeon E6540

VS

Xeon L5645

General Parameters

Mar 2010

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Nehalem-EX

Core Architecture

Westmere-EP

Intel Socket 1567

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon(Beckton)

Generation

Xeon(Westmere-EP)

Package

2.3 billions

Transistor Count

1.17 billions

45 nm

Manufacturing Process

32 nm

105 W

Power Consumption

60 W

Intel

Foundry

Intel

684 mm²

Die Size

239 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.4 GHz

2.266 GHz

Performance Core Turbo Frequency

2.933 GHz

6

Total Core Count

6

12

Total Thread Count

12

133 MHz

Bus Frequency

133 MHz

15.0

Multiplier

18.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

256 KB per core

18 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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