Intel Xeon E5 2640 v3 vs Xeon L5645

VS

Intel Xeon E5-2640 v3

Intel Xeon L5645

We compared two server CPUs: Intel Xeon E5 2640 v3 with 8 cores 2.6GHz and Xeon L5645 with 6 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 2640 v3 's Advantages

Released 3 years and 7 months late

Higher specification of memory (1866 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (2.6GHz vs 2.4GHz)

Larger L3 cache size (20MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Xeon L5645 's Advantages

Lower TDP (60W vs 90W)

Score

Intel Xeon E5 2640 v3

VS

Xeon L5645

General Parameters

Sep 2014

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Westmere-EP

Intel Socket 2011-3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon(Westmere-EP)

Package

2.6 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

90 W

Power Consumption

60 W

Intel

Foundry

Intel

356 mm²

Die Size

239 mm²

CPU Performance

2.6 GHz

Performance Core Base Frequency

2.4 GHz

3.4 GHz

Performance Core Turbo Frequency

2.933 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

26.0

Multiplier

18.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

20 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-1866

Memory Types

DDR3-1333

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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