Intel Xeon E5 2643 vs Opteron 6272

VS

Intel Xeon E5-2643

AMD Opteron 6272

We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Opteron 6272 with 16 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 's Advantages

Newer PCIe version (3 vs 2)

Higher base frequency (3.3GHz vs 2.1GHz)

Opteron 6272 's Advantages

Larger L3 cache size (16MB vs 10MB)

Lower TDP (115W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2643 +334%

1143

Opteron 6272

263

Geekbench 6 Multi Core

Intel Xeon E5 2643 +93%

4836

Opteron 6272

2502

Intel Xeon E5 2643

VS

Opteron 6272

General Parameters

Mar 2012

Release Date

Nov 2011

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Interlagos

Intel Socket 2011

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Opteron (Interlagos)

Package

1.27 billions

Transistor Count

2.4 billions

32 nm

Manufacturing Process

32 nm

130 W

Power Consumption

115 W

Intel

Foundry

-

294 mm²

Die Size

316 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

2.1 GHz

3.5 GHz

Performance Core Turbo Frequency

3 GHz

4

Total Core Count

16

8

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

33.0

Multiplier

11.0

64 K per core

L1 Cache

768 K shared

256 K per core

L2 Cache

8.00391 MB per core

10 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

2

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