Intel Xeon E5 2640 vs Xeon L7555

VS

Intel Xeon E5-2640

Intel Xeon L7555

We compared two server CPUs: Intel Xeon E5 2640 with 6 cores 2.5GHz and Xeon L7555 with 8 cores 1.866GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2640 's Advantages

Released 2 years late

Newer PCIe version (3 vs 2)

Higher base frequency (2.5GHz vs 1.866GHz)

More modern manufacturing process (32nm vs 45nm)

Xeon L7555 's Advantages

Higher specification of memory (1333 vs 3)

Larger L3 cache size (18MB vs 15MB)

Score

Intel Xeon E5 2640

VS

Xeon L7555

General Parameters

Mar 2012

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Nehalem-EX

Intel Socket 2011

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon(Beckton)

Package

2.27 billions

Transistor Count

2.3 billions

32 nm

Manufacturing Process

45 nm

95 W

Power Consumption

95 W

Intel

Foundry

Intel

435 mm²

Die Size

684 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

1.866 GHz

3 GHz

Performance Core Turbo Frequency

2.533 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

133 MHz

25.0

Multiplier

14.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

15 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR3

Memory Types

DDR3-1333

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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