Opteron 6278 vs Intel Xeon E5649

VS

AMD Opteron 6278

Intel Xeon E5649

We compared two server CPUs: Opteron 6278 with 16 cores 2.4GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6278 's Advantages

Released 1 years and 3 months late

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 2.4GHz)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 115W)

Score

Benchmark

Geekbench 6 Single Core

Opteron 6278

309

Intel Xeon E5649 +33%

411

Geekbench 6 Multi Core

Opteron 6278 +49%

2575

Intel Xeon E5649

1727

Opteron 6278

VS

Intel Xeon E5649

General Parameters

May 2012

Release Date

Feb 2011

AMD

Manufacturer

Intel

Server

Type

Server

Interlagos

Core Architecture

Westmere-EP

AMD Socket G34

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

Xeon (Westmere-EP)

Package

2.4 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

115 W

Power Consumption

80 W

-

Foundry

Intel

316 mm²

Die Size

239 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.533 GHz

3.3 GHz

Performance Core Turbo Frequency

2.8 GHz

16

Total Core Count

6

16

Total Thread Count

12

200 MHz

Bus Frequency

133 MHz

12.0

Multiplier

19.0

768 K

L1 Cache

64 K per core

16 MB

L2 Cache

256 K per core

8 MB per die

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

3

No

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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