Intel Xeon E5640 vs Opteron 6338P

VS

Intel Xeon E5640

AMD Opteron 6338P

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Opteron 6338P with 12 cores 2.3GHz . 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 2.3GHz)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 99W)

Opteron 6338P 's Advantages

Released 3 years and 10 months late

Higher specification of memory (1600 vs 3)

Score

Intel Xeon E5640

VS

Opteron 6338P

General Parameters

Mar 2010

Release Date

Jan 2014

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Warsaw

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

99 W

-

Peak Operating Temperature

69 °C

Intel

Foundry

GlobalFoundries

239 mm²

Die Size

2x315 mm²

CPU Performance

2.666 GHz

Performance Core Base Frequency

2.3 GHz

2.933 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

12

8

Total Thread Count

12

133 MHz

Bus Frequency

200 MHz

20.0

Multiplier

11.5

64 K per core

L1 Cache

576 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

DDR3-1600

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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