Intel Xeon E5 4603 vs Intel Xeon E5649

VS

We compared two server CPUs: Intel Xeon E5 4603 with 4 cores 2GHz 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 4603 's Advantages

Released 1 years and 3 months late

Newer PCIe version (3 vs 2)

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 2GHz)

Larger L3 cache size (12MB vs 10MB)

Lower TDP (80W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 4603 +2%

422

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon E5 4603 +45%

2512

Intel Xeon E5649

1727

Intel Xeon E5 4603

VS

Intel Xeon E5649

General Parameters

May 2012

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Westmere-EP

Intel Socket 2011

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon (Westmere-EP)

Package

1.27 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

Intel Socket 2011

Socket

Intel Socket 1366

95 W

Power Consumption

80 W

Intel

Foundry

Intel

294 mm²

Die Size

239 mm²

FC-LGA10

Package

FC-LGA10

CPU Performance

2 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

20.0

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

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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