Intel Xeon E5 4640 v3 vs Intel Xeon E5 4660 v3

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Intel Xeon E5-4640 v3

Intel Xeon E5-4660 v3

We compared two server CPUs: Intel Xeon E5 4640 v3 with 12 cores 1.9GHz and Intel Xeon E5 4660 v3 with 14 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4640 v3 's Advantages

Lower TDP (105W vs 120W)

Intel Xeon E5 4660 v3 's Advantages

Higher specification of memory (2133 vs 1866)

Higher base frequency (2.1GHz vs 1.9GHz)

Larger L3 cache size (35MB vs 30MB)

Score

Benchmark

Geekbench 5 Single Core

Intel Xeon E5 4640 v3

469

Intel Xeon E5 4660 v3 +61%

758

Geekbench 5 Multi Core

Intel Xeon E5 4640 v3

1782

Intel Xeon E5 4660 v3 +583%

12173

Intel Xeon E5 4640 v3

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Intel Xeon E5 4660 v3

General Parameters

Jun 2015

Release Date

Jun 2015

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

105 W

Power Consumption

120 W

78 °C

Peak Operating Temperature

83 °C

Intel

Foundry

Intel

356 mm²

Die Size

356 mm²

CPU Performance

1.9 GHz

Performance Core Base Frequency

2.1 GHz

2.6 GHz

Performance Core Turbo Frequency

2.9 GHz

12

Total Core Count

14

24

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

19.0

Multiplier

21.0

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

35 MB shared

No

Unlocked Multiplier

No

4

SMP

4

Memory Parameters

DDR4-1866

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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