Intel Xeon E5 2643 vs Intel Xeon X5650

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Intel Xeon E5-2643

Intel Xeon X5650

We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Intel Xeon X5650 with 6 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 's Advantages

Released 2 years late

Newer PCIe version (3 vs 2)

Higher base frequency (3.3GHz vs 2.666GHz)

Intel Xeon X5650 's Advantages

Larger L3 cache size (12MB vs 10MB)

Lower TDP (95W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2643 +180%

1143

Intel Xeon X5650

407

Geekbench 6 Multi Core

Intel Xeon E5 2643 +74%

4836

Intel Xeon X5650

2768

Intel Xeon E5 2643

VS

Intel Xeon X5650

General Parameters

Mar 2012

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Westmere-EP

Intel Socket 2011

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon (Westmere-EP)

Package

1.27 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

130 W

Power Consumption

95 W

Intel

Foundry

Intel

294 mm²

Die Size

239 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

2.666 GHz

3.5 GHz

Performance Core Turbo Frequency

3.066 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

33.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

10 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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