Intel Xeon X5647 vs Intel Xeon E5 2643 v2

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Intel Xeon X5647

Intel Xeon E5-2643 v2

We compared two server CPUs: Intel Xeon X5647 with 4 cores 2.933GHz and Intel Xeon E5 2643 v2 with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 v2 's Advantages

Released 2 years and 7 months late

Newer PCIe version (3 vs 2)

Higher base frequency (3.5GHz vs 2.933GHz)

Larger L3 cache size (15MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon X5647

530

Intel Xeon E5 2643 v2 +9%

581

Geekbench 6 Multi Core

Intel Xeon X5647

1606

Intel Xeon E5 2643 v2 +91%

3083

Intel Xeon X5647

VS

Intel Xeon E5 2643 v2

General Parameters

Feb 2011

Release Date

Sep 2013

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Ivy Bridge-EP

Intel Socket 1366

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E5 (Ivy Bridge-EP)

Package

1.17 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

22 nm

130 W

Power Consumption

130 W

Intel

Foundry

Intel

239 mm²

Die Size

160 mm²

CPU Performance

2.933 GHz

Performance Core Base Frequency

3.5 GHz

3.2 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

6

8

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

22.0

Multiplier

35.0

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

15 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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