Opteron 156 vs Xeon L5645

VS

AMD Opteron 156

Intel Xeon L5645

We compared two server CPUs: Opteron 156 with 1 cores 3GHz 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

Opteron 156 's Advantages

Higher base frequency (3GHz vs 2.4GHz)

Xeon L5645 's Advantages

Released 5 years and 9 months late

Higher specification of memory (1333 vs 400)

More modern manufacturing process (32nm vs 90nm)

Lower TDP (60W vs 104W)

Score

Opteron 156

VS

Xeon L5645

General Parameters

May 2005

Release Date

Feb 2011

AMD

Manufacturer

Intel

Server

Type

Server

Venus

Core Architecture

Westmere-EP

AMD Socket 939

Socket

Intel Socket 1366

On certain motherboards (Chipset feature)

Integrated Graphics

N/A

Opteron (Venus (E4))

Generation

Xeon(Westmere-EP)

Package

0.114 billions

Transistor Count

1.17 billions

90 nm

Manufacturing Process

32 nm

104 W

Power Consumption

60 W

-

Foundry

Intel

115 mm²

Die Size

239 mm²

CPU Performance

3 GHz

Performance Core Base Frequency

2.4 GHz

0

Performance Core Turbo Frequency

2.933 GHz

1

Total Core Count

6

1

Total Thread Count

12

200 MHz

Bus Frequency

133 MHz

15.0

Multiplier

18.0

128 KB

L1 Cache

64 KB per core

1 MB

L2 Cache

256 KB per core

-

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR1-400

Memory Types

DDR3-1333

2

Max Memory Channels

3

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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