Intel Xeon E5640 vs Opteron 6378

VS

Intel Xeon E5640

AMD Opteron 6378

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Opteron 6378 with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.4GHz)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 115W)

Opteron 6378 's Advantages

Released 2 years and 8 months late

Higher specification of memory (1866 vs 3)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5640 +2%

437

Opteron 6378

425

Geekbench 6 Multi Core

Intel Xeon E5640

2456

Opteron 6378 +43%

3530

Intel Xeon E5640

VS

Opteron 6378

General Parameters

Mar 2010

Release Date

Nov 2012

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Abu Dhabi

Intel Socket 1366

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Opteron (Abu Dhabi)

Package

1.17 billions

Transistor Count

2.4 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

115 W

-

Peak Operating Temperature

69 °C

Intel

Foundry

GlobalFoundries

239 mm²

Die Size

2x315 mm²

CPU Performance

2.666 GHz

Performance Core Base Frequency

2.4 GHz

2.933 GHz

Performance Core Turbo Frequency

3.3 GHz

4

Total Core Count

16

8

Total Thread Count

16

133 MHz

Bus Frequency

200 MHz

20.0

Multiplier

12.0

64 K per core

L1 Cache

768 KB

256 K per core

L2 Cache

2 MB per module

12 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR3

Memory Types

DDR3-1866

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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