Intel Xeon E5645 vs Intel Xeon X5687

VS

Intel Xeon E5645

Intel Xeon X5687

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Intel Xeon X5687 with 4 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 130W)

Intel Xeon X5687 's Advantages

Released 11 months late

Higher base frequency (3.6GHz vs 2.4GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

Intel Xeon X5687 +34%

572

Geekbench 6 Multi Core

Intel Xeon E5645 +47%

3117

Intel Xeon X5687

2117

Intel Xeon E5645

VS

Intel Xeon X5687

General Parameters

Mar 2010

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

130 W

Intel

Foundry

Intel

239 mm²

Die Size

239 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.6 GHz

2.666 GHz

Performance Core Turbo Frequency

3.866 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

27.0

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

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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