Intel Xeon E5 2643 vs Opteron X2 185

VS

Intel Xeon E5-2643

AMD Opteron X2 185

We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Opteron X2 185 with 2 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 's Advantages

Released 6 years late

Higher base frequency (3.3GHz vs 2.6GHz)

More modern manufacturing process (32nm vs 90nm)

Opteron X2 185 's Advantages

Higher specification of memory (400 vs 3)

Lower TDP (110W vs 130W)

Score

Intel Xeon E5 2643

VS

Opteron X2 185

General Parameters

Mar 2012

Release Date

Mar 2006

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Denmark

Intel Socket 2011

Socket

AMD Socket 939

N/A

Integrated Graphics

On certain motherboards (Chipset feature)

Xeon E5 (Sandy Bridge-EP)

Generation

Opteron X2 (Denmark)

Package

1.27 billions

Transistor Count

0.233 billions

32 nm

Manufacturing Process

90 nm

130 W

Power Consumption

110 W

Intel

Foundry

-

294 mm²

Die Size

199 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

2.6 GHz

3.5 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

2

8

Total Thread Count

2

100 MHz

Bus Frequency

200 MHz

33.0

Multiplier

13.0

64 K per core

L1 Cache

128 KB

256 K per core

L2 Cache

1 MB

10 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR1-400

4

Max Memory Channels

2

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

-

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