Intel Xeon E5645 vs Opteron 156

VS

Intel Xeon E5645

AMD Opteron 156

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Opteron 156 with 1 cores 3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Released 4 years and 10 months late

More modern manufacturing process (32nm vs 90nm)

Lower TDP (80W vs 104W)

Opteron 156 's Advantages

Higher specification of memory (400 vs 3)

Higher base frequency (3GHz vs 2.4GHz)

Score

Intel Xeon E5645

VS

Opteron 156

General Parameters

Mar 2010

Release Date

May 2005

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Venus

Intel Socket 1366

Socket

AMD Socket 939

N/A

Integrated Graphics

On certain motherboards (Chipset feature)

Xeon (Westmere-EP)

Generation

Opteron (Venus (E4))

Package

1.17 billions

Transistor Count

0.114 billions

32 nm

Manufacturing Process

90 nm

80 W

Power Consumption

104 W

Intel

Foundry

-

239 mm²

Die Size

115 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

3 GHz

2.666 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

1

12

Total Thread Count

1

133 MHz

Bus Frequency

200 MHz

18.0

Multiplier

15.0

64 K per core

L1 Cache

128 KB

256 K per core

L2 Cache

1 MB

12 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR1-400

3

Max Memory Channels

2

Yes

ECC Memory Support

No

Miscellaneous

2

PCIe Version

-

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