Intel Xeon E5 2603 vs Intel Xeon E5503

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Intel Xeon E5-2603

Intel Xeon E5503

We compared two server CPUs: Intel Xeon E5 2603 with 4 cores 1.8GHz and Intel Xeon E5503 with 2 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2603 's Advantages

Released 2 years late

Newer PCIe version (3 vs 2)

Larger L3 cache size (10MB vs 4MB)

More modern manufacturing process (32nm vs 45nm)

Intel Xeon E5503 's Advantages

Higher base frequency (2GHz vs 1.8GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2603 +156%

571

Intel Xeon E5503

223

Geekbench 6 Multi Core

Intel Xeon E5 2603 +329%

2875

Intel Xeon E5503

670

Intel Xeon E5 2603

VS

Intel Xeon E5503

General Parameters

Mar 2012

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Gainestown

Intel Socket 2011

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon (Gainestown)

Package

1.27 billions

Transistor Count

0.731 billions

32 nm

Manufacturing Process

45 nm

80 W

Power Consumption

80 W

Intel

Foundry

Intel

294 mm²

Die Size

263 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2 GHz

0

Performance Core Turbo Frequency

0

4

Total Core Count

2

4

Total Thread Count

2

100 MHz

Bus Frequency

133 MHz

18.0

Multiplier

15.0

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

4 MB shared

No

Unlocked Multiplier

No

2

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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