Intel Xeon E5 2678 v3 vs Intel Xeon E5640

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Intel Xeon E5-2678 v3

Intel Xeon E5640

We compared two server CPUs: Intel Xeon E5 2678 v3 with 12 cores 2.5GHz 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 E5 2678 v3 's Advantages

Released 4 years and 10 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.5GHz)

Lower TDP (80W vs 120W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2678 v3 +116%

945

Intel Xeon E5640

437

Geekbench 6 Multi Core

Intel Xeon E5 2678 v3 +204%

7467

Intel Xeon E5640

2456

Intel Xeon E5 2678 v3

VS

Intel Xeon E5640

General Parameters

Jan 2015

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Westmere-EP

Intel Socket 2011-3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon (Westmere-EP)

Package

2.6 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

120 W

Power Consumption

80 W

Intel

Foundry

Intel

356 mm²

Die Size

239 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.666 GHz

3.3 GHz

Performance Core Turbo Frequency

2.933 GHz

12

Total Core Count

4

24

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

25.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

30 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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