Intel Xeon E5 4650 vs Opteron 6276

VS

Intel Xeon E5-4650

AMD Opteron 6276

We compared two server CPUs: Intel Xeon E5 4650 with 8 cores 2.7GHz and Opteron 6276 with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4650 's Advantages

Released 6 months late

Newer PCIe version (3 vs 2)

Higher base frequency (2.7GHz vs 2.3GHz)

Larger L3 cache size (20MB vs 8MB)

Opteron 6276 's Advantages

Lower TDP (115W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 4650 +138%

472

Opteron 6276

198

Geekbench 6 Multi Core

Intel Xeon E5 4650 +13%

1962

Opteron 6276

1729

Intel Xeon E5 4650

VS

Opteron 6276

General Parameters

May 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

2.27 billions

Transistor Count

2.4 billions

32 nm

Manufacturing Process

32 nm

130 W

Power Consumption

115 W

Intel

Foundry

-

435 mm²

Die Size

316 mm²

CPU Performance

2.7 GHz

Performance Core Base Frequency

2.3 GHz

3.3 GHz

Performance Core Turbo Frequency

3.2 GHz

8

Total Core Count

16

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

27.0

Multiplier

11.5

64 K per core

L1 Cache

768 K

256 K per core

L2 Cache

16 MB

20 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

4

SMP

4

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

2

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