Intel Xeon E5 1691 v3 vs Intel Xeon E5 2665

VS

Intel Xeon E5-1691 v3

Intel Xeon E5-2665

We compared two server CPUs: Intel Xeon E5 1691 v3 with 14 cores 2.5GHz and Intel Xeon E5 2665 with 8 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 1691 v3 's Advantages

Released 2 years and 6 months late

Higher specification of memory (2133 vs 3)

Higher base frequency (2.5GHz vs 2.4GHz)

Larger L3 cache size (35MB vs 20MB)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5 2665 's Advantages

Lower TDP (115W vs 135W)

Score

Intel Xeon E5 1691 v3

VS

Intel Xeon E5 2665

General Parameters

Sep 2014

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Sandy Bridge-EP

Intel Socket 2011-3

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

2.6 billions

Transistor Count

2.27 billions

22 nm

Manufacturing Process

32 nm

135 W

Power Consumption

115 W

Intel

Foundry

Intel

356 mm²

Die Size

435 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.4 GHz

3.4 GHz

Performance Core Turbo Frequency

3.1 GHz

14

Total Core Count

8

28

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

24.0

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

1

SMP

2

Memory Parameters

DDR4-2133

Memory Types

DDR3

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

-

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