Opteron 6276 vs Xeon E7520

VS

AMD Opteron 6276

Intel Xeon E7520

We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz and Xeon E7520 with 4 cores 1.866GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6276 's Advantages

Released 1 years and 8 months late

Higher base frequency (2.3GHz vs 1.866GHz)

More modern manufacturing process (32nm vs 45nm)

Xeon E7520 's Advantages

Higher specification of memory (1333 vs 3)

Larger L3 cache size (18MB vs 8MB)

Lower TDP (95W vs 115W)

Score

Opteron 6276

VS

Xeon E7520

General Parameters

Nov 2011

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Interlagos

Core Architecture

Nehalem-EX

AMD Socket G34

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

Xeon(Beckton)

Package

2.4 billions

Transistor Count

2.3 billions

32 nm

Manufacturing Process

45 nm

115 W

Power Consumption

95 W

-

Foundry

Intel

316 mm²

Die Size

684 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

1.866 GHz

3.2 GHz

Performance Core Turbo Frequency

0

16

Total Core Count

4

16

Total Thread Count

8

200 MHz

Bus Frequency

133 MHz

11.5

Multiplier

14.0

768 K

L1 Cache

64 KB per core

16 MB

L2 Cache

256 KB per core

8 MB per die

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

4

SMP

8

Memory Parameters

DDR3

Memory Types

DDR3-1333

Max Memory Channels

4

No

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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