Xeon E6540 vs Opteron 1381

VS

Intel Xeon E6540

AMD Opteron 1381

We compared two server CPUs: Xeon E6540 with 6 cores 2GHz and Opteron 1381 with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E6540 's Advantages

Released 9 months late

Larger L3 cache size (18MB vs 6MB)

Lower TDP (105W vs 115W)

Opteron 1381 's Advantages

Higher base frequency (2.5GHz vs 2GHz)

Score

Xeon E6540

VS

Opteron 1381

General Parameters

Mar 2010

Release Date

Jun 2009

Intel

Manufacturer

AMD

Server

Type

Server

Nehalem-EX

Core Architecture

Suzuka

Intel Socket 1567

Socket

AMD Socket AM3

N/A

Integrated Graphics

On certain motherboards (Chipset feature)

Xeon(Beckton)

Generation

Opteron(Suzuka)

Package

2.3 billions

Transistor Count

0.758 billions

45 nm

Manufacturing Process

45 nm

105 W

Power Consumption

115 W

Intel

Foundry

GlobalFoundries

684 mm²

Die Size

258 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.5 GHz

2.266 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

4

12

Total Thread Count

4

133 MHz

Bus Frequency

200 MHz

15.0

Multiplier

12.5

64 KB per core

L1 Cache

128 KB per core

256 KB per core

L2 Cache

512 KB per core

18 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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