Intel Xeon E5 2403 vs Intel Xeon E5649

VS

Intel Xeon E5-2403

Intel Xeon E5649

We compared two server CPUs: Intel Xeon E5 2403 with 4 cores 1.8GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2403 's Advantages

Released 1 years and 3 months late

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 1.8GHz)

Larger L3 cache size (12MB vs 10MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2403

349

Intel Xeon E5649 +17%

411

Geekbench 6 Multi Core

Intel Xeon E5 2403

1116

Intel Xeon E5649 +54%

1727

Intel Xeon E5 2403

VS

Intel Xeon E5649

General Parameters

May 2012

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EN

Core Architecture

Westmere-EP

Intel Socket 1356

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EN)

Generation

Xeon (Westmere-EP)

Package

1.27 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

80 W

Intel

Foundry

Intel

294 mm²

Die Size

239 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.533 GHz

0

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

18.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

10 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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