Intel Xeon E5640 vs Intel Xeon E5 1691 v3

VS

Intel Xeon E5640

Intel Xeon E5-1691 v3

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Intel Xeon E5 1691 v3 with 14 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.5GHz)

Lower TDP (80W vs 135W)

Intel Xeon E5 1691 v3 's Advantages

Released 4 years and 6 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (35MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Intel Xeon E5640

VS

Intel Xeon E5 1691 v3

General Parameters

Mar 2010

Release Date

Sep 2014

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

80 W

Power Consumption

135 W

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.666 GHz

Performance Core Base Frequency

2.5 GHz

2.933 GHz

Performance Core Turbo Frequency

3.4 GHz

4

Total Core Count

14

8

Total Thread Count

28

133 MHz

Bus Frequency

100 MHz

20.0

Multiplier

25.0

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

35 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-2133

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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