Opteron 6276 vs Xeon L5645

VS

AMD Opteron 6276

Intel Xeon L5645

We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz and Xeon L5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6276 's Advantages

Released 9 months late

Xeon L5645 's Advantages

Higher specification of memory (1333 vs 3)

Higher base frequency (2.4GHz vs 2.3GHz)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (60W vs 115W)

Score

Opteron 6276

VS

Xeon L5645

General Parameters

Nov 2011

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

60 W

-

Foundry

Intel

316 mm²

Die Size

239 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.4 GHz

3.2 GHz

Performance Core Turbo Frequency

2.933 GHz

16

Total Core Count

6

16

Total Thread Count

12

200 MHz

Bus Frequency

133 MHz

11.5

Multiplier

18.0

768 K

L1 Cache

64 KB per core

16 MB

L2 Cache

256 KB per core

8 MB per die

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3-1333

Max Memory Channels

3

No

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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