Intel Xeon X5647 vs Intel Xeon E5 4640 v3

VS

Intel Xeon X5647

Intel Xeon E5-4640 v3

We compared two server CPUs: Intel Xeon X5647 with 4 cores 2.933GHz and Intel Xeon E5 4640 v3 with 12 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5647 's Advantages

Higher base frequency (2.933GHz vs 1.9GHz)

Intel Xeon E5 4640 v3 's Advantages

Released 4 years and 4 months late

Higher specification of memory (1866 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (105W vs 130W)

Score

Intel Xeon X5647

VS

Intel Xeon E5 4640 v3

General Parameters

Feb 2011

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Haswell-EP

Intel Socket 1366

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E5 (Haswell-EP)

Package

1.17 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

130 W

Power Consumption

105 W

-

Peak Operating Temperature

78 °C

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.933 GHz

Performance Core Base Frequency

1.9 GHz

3.2 GHz

Performance Core Turbo Frequency

2.6 GHz

4

Total Core Count

12

8

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

22.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR3

Memory Types

DDR4-1866

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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