Intel Xeon E5 2678 v3 vs Intel Xeon E5 2686 v3

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Intel Xeon E5-2678 v3

Intel Xeon E5-2686 v3

We compared two server CPUs: Intel Xeon E5 2678 v3 with 12 cores 2.5GHz and Intel Xeon E5 2686 v3 with 18 cores 2GHz . 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

Higher base frequency (2.5GHz vs 2GHz)

Intel Xeon E5 2686 v3 's Advantages

Larger L3 cache size (45MB vs 30MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2678 v3

945

Intel Xeon E5 2686 v3 +9%

1033

Geekbench 6 Multi Core

Intel Xeon E5 2678 v3

7467

Intel Xeon E5 2686 v3 +15%

8649

Intel Xeon E5 2678 v3

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Intel Xeon E5 2686 v3

General Parameters

Jan 2015

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Haswell-EP

Intel Socket 2011-3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon E5 (Haswell-EP)

Package

2.6 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

22 nm

120 W

Power Consumption

120 W

-

Peak Operating Temperature

83 °C

Intel

Foundry

Intel

356 mm²

Die Size

356 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2 GHz

3.3 GHz

Performance Core Turbo Frequency

3.5 GHz

12

Total Core Count

18

24

Total Thread Count

36

100 MHz

Bus Frequency

100 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

45 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR3,DDR4-2133

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

40

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