Intel Xeon E5 4660 v3 vs Intel Xeon E5 2643 v3

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Intel Xeon E5-4660 v3

Intel Xeon E5-2643 v3

We compared two server CPUs: Intel Xeon E5 4660 v3 with 14 cores 2.1GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4660 v3 's Advantages

Released 9 months late

Larger L3 cache size (35MB vs 20MB)

Lower TDP (120W vs 135W)

Intel Xeon E5 2643 v3 's Advantages

Higher base frequency (3.4GHz vs 2.1GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 4660 v3

743

Intel Xeon E5 2643 v3 +59%

1188

Geekbench 6 Multi Core

Intel Xeon E5 4660 v3

1428

Intel Xeon E5 2643 v3 +487%

8391

Intel Xeon E5 4660 v3

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Intel Xeon E5 2643 v3

General Parameters

Jun 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

135 W

83 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

356 mm²

Die Size

356 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

3.4 GHz

2.9 GHz

Performance Core Turbo Frequency

3.7 GHz

14

Total Core Count

6

28

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

34.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

35 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR4-2133

Memory Types

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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