Opteron 6276 vs Intel Xeon E5 2643

VS

AMD Opteron 6276

Intel Xeon E5-2643

We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz and Intel Xeon E5 2643 with 4 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6276 's Advantages

Lower TDP (115W vs 130W)

Intel Xeon E5 2643 's Advantages

Newer PCIe version (3 vs 2)

Higher base frequency (3.3GHz vs 2.3GHz)

Larger L3 cache size (10MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Opteron 6276

198

Intel Xeon E5 2643 +477%

1143

Geekbench 6 Multi Core

Opteron 6276

1729

Intel Xeon E5 2643 +179%

4836

Opteron 6276

VS

Intel Xeon E5 2643

General Parameters

Nov 2011

Release Date

Mar 2012

AMD

Manufacturer

Intel

Server

Type

Server

Interlagos

Core Architecture

Sandy Bridge-EP

AMD Socket G34

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

2.4 billions

Transistor Count

1.27 billions

32 nm

Manufacturing Process

32 nm

115 W

Power Consumption

130 W

-

Foundry

Intel

316 mm²

Die Size

294 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

3.3 GHz

3.2 GHz

Performance Core Turbo Frequency

3.5 GHz

16

Total Core Count

4

16

Total Thread Count

8

200 MHz

Bus Frequency

100 MHz

11.5

Multiplier

33.0

768 K

L1 Cache

64 K per core

16 MB

L2 Cache

256 K per core

8 MB per die

L3 Cache

10 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

4

No

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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