Intel Xeon E5645 vs Opteron 6344

VS

Intel Xeon E5645

AMD Opteron 6344

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Opteron 6344 with 12 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 115W)

Opteron 6344 's Advantages

Released 2 years and 8 months late

Higher specification of memory (1866 vs 3)

Higher base frequency (2.6GHz vs 2.4GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645 +1%

425

Opteron 6344

419

Geekbench 6 Multi Core

Intel Xeon E5645

3117

Opteron 6344 +2%

3209

Intel Xeon E5645

VS

Opteron 6344

General Parameters

Mar 2010

Release Date

Nov 2012

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Abu Dhabi

Intel Socket 1366

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Opteron (Abu Dhabi)

Package

1.17 billions

Transistor Count

2.4 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

115 W

-

Peak Operating Temperature

70 °C

Intel

Foundry

GlobalFoundries

239 mm²

Die Size

2x315 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.6 GHz

2.666 GHz

Performance Core Turbo Frequency

3.2 GHz

6

Total Core Count

12

Total Thread Count

12

133 MHz

Bus Frequency

200 MHz

18.0

Multiplier

13.0

64 K per core

L1 Cache

576 KB

256 K per core

L2 Cache

2 MB per module

12 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR3

Memory Types

DDR3-1866

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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