Xeon E7 4820 vs Xeon L7555

VS

Intel Xeon E7-4820

Intel Xeon L7555

We compared two server CPUs: Xeon E7 4820 with 8 cores 2GHz 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

Xeon E7 4820 's Advantages

Released 1 years and 1 months late

Higher base frequency (2GHz vs 1.866GHz)

More modern manufacturing process (32nm vs 45nm)

Xeon L7555 's Advantages

Lower TDP (95W vs 105W)

Score

Xeon E7 4820

VS

Xeon L7555

General Parameters

Apr 2011

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Nehalem-EX

Intel Socket 1567

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Xeon(Beckton)

Package

2.6 billions

Transistor Count

2.3 billions

32 nm

Manufacturing Process

45 nm

105 W

Power Consumption

95 W

Intel

Foundry

Intel

513 mm²

Die Size

684 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

1.866 GHz

2.266 GHz

Performance Core Turbo Frequency

2.533 GHz

8

Total Core Count

8

16

Total Thread Count

16

133 MHz

Bus Frequency

133 MHz

15.0

Multiplier

14.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

256 KB per core

18 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

4

SMP

8

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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