Intel Xeon E5640 vs Opteron 4340

VS

Intel Xeon E5640

AMD Opteron 4340

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Opteron 4340 with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5640 's Advantages

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 95W)

Opteron 4340 's Advantages

Released 2 years and 9 months late

Higher base frequency (3.5GHz vs 2.666GHz)

Score

Intel Xeon E5640

VS

Opteron 4340

General Parameters

Mar 2010

Release Date

Dec 2012

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Seoul

Intel Socket 1366

Socket

AMD Socket C32

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Opteron (Seoul)

Package

1.17 billions

Transistor Count

1.2 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

95 W

Intel

Foundry

-

239 mm²

Die Size

315 mm²

CPU Performance

2.666 GHz

Performance Core Base Frequency

3.5 GHz

2.933 GHz

Performance Core Turbo Frequency

3.8 GHz

4

Total Core Count

6

8

Total Thread Count

6

133 MHz

Bus Frequency

200 MHz

20.0

Multiplier

17.5

64 K per core

L1 Cache

288 K

256 K per core

L2 Cache

6 MB

12 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

3

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

2

PCIe Version

-

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