Intel Xeon E5 2643 vs Intel Xeon E5 2640 v2

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Intel Xeon E5-2643

Intel Xeon E5-2640 v2

We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Intel Xeon E5 2640 v2 with 8 cores 2GHz . 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

Higher base frequency (3.3GHz vs 2GHz)

Intel Xeon E5 2640 v2 's Advantages

Released 1 years and 6 months late

Larger L3 cache size (20MB vs 10MB)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (95W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2643 +214%

1143

Intel Xeon E5 2640 v2

363

Geekbench 6 Multi Core

Intel Xeon E5 2643 +78%

4836

Intel Xeon E5 2640 v2

2712

Intel Xeon E5 2643

VS

Intel Xeon E5 2640 v2

General Parameters

Mar 2012

Release Date

Sep 2013

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Ivy Bridge-EP

Intel Socket 2011

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E5 (Ivy Bridge-EP)

Package

1.27 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

22 nm

130 W

Power Consumption

95 W

Intel

Foundry

Intel

294 mm²

Die Size

160 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

2 GHz

3.5 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 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

20 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

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