Xeon L5645 vs Intel Xeon E5 2669 v3

VS

Intel Xeon L5645

Intel Xeon E5-2669 v3

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Intel Xeon E5 2669 v3 with 12 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5645 's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (60W vs 120W)

Intel Xeon E5 2669 v3 's Advantages

Released 3 years and 11 months late

Higher specification of memory (2133 vs 1333)

Newer PCIe version (3 vs 2)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Xeon L5645

VS

Intel Xeon E5 2669 v3

General Parameters

Feb 2011

Release Date

Jan 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

60 W

Power Consumption

120 W

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.3 GHz

2.933 GHz

Performance Core Turbo Frequency

3.1 GHz

6

Total Core Count

12

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

23.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4-2133

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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