Intel Xeon E5649 vs Opteron 43CX EE

VS

Intel Xeon E5649 Opteron 43CX EE

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Opteron 43CX EE with 4 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 2.2GHz)

Larger L3 cache size (12MB vs 8MB)

Opteron 43CX EE 's Advantages

Released 1 years and 10 months late

Lower TDP (35W vs 80W)

Score

Intel Xeon E5649

VS

Opteron 43CX EE

General Parameters

Feb 2011

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

Intel Socket 1366

Socket

AMD Socket C32

80 W

Power Consumption

35 W

Intel

Foundry

-

239 mm²

Die Size

315 mm²

FC-LGA10

Package

-

CPU Performance

2.533 GHz

Performance Core Base Frequency

2.2 GHz

2.8 GHz

Performance Core Turbo Frequency

3 GHz

6

Total Core Count

4

12

Total Thread Count

4

133 MHz

Bus Frequency

200 MHz

19.0

Multiplier

11.0

64 K per core

L1 Cache

192 K

256 K per core

L2 Cache

4 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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