Xeon L5639 vs Xeon E7 2820

VS

Intel Xeon L5639

Intel Xeon E7-2820

We compared two server CPUs: Xeon L5639 with 6 cores 2.133GHz and Xeon E7 2820 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5639 's Advantages

Higher base frequency (2.133GHz vs 2GHz)

Lower TDP (60W vs 105W)

Xeon E7 2820 's Advantages

Larger L3 cache size (18MB vs 12MB)

Score

Xeon L5639

VS

Xeon E7 2820

General Parameters

Feb 2011

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Westmere-EX

Intel Socket 1366

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon E7(Westmere-EX)

Package

1.17 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

32 nm

60 W

Power Consumption

105 W

Intel

Foundry

Intel

239 mm²

Die Size

513 mm²

CPU Performance

2.133 GHz

Performance Core Base Frequency

2 GHz

2.667 GHz

Performance Core Turbo Frequency

2.266 GHz

6

Total Core Count

8

12

Total Thread Count

16

133 MHz

Bus Frequency

133 MHz

16.0

Multiplier

15.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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