Intel Xeon X5647 vs Intel Xeon E5640

VS

Intel Xeon X5647

Intel Xeon E5640

We compared two server CPUs: Intel Xeon X5647 with 4 cores 2.933GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5647 's Advantages

Released 11 months late

Higher base frequency (2.933GHz vs 2.666GHz)

Intel Xeon E5640 's Advantages

Lower TDP (80W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon X5647 +21%

530

Intel Xeon E5640

437

Geekbench 6 Multi Core

Intel Xeon X5647

1606

Intel Xeon E5640 +52%

2456

Intel Xeon X5647

VS

Intel Xeon E5640

General Parameters

Feb 2011

Release Date

Mar 2010

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

130 W

Power Consumption

80 W

Intel

Foundry

Intel

239 mm²

Die Size

239 mm²

CPU Performance

2.933 GHz

Performance Core Base Frequency

2.666 GHz

3.2 GHz

Performance Core Turbo Frequency

2.933 GHz

4

Total Core Count

4

8

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

22.0

Multiplier

20.0

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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