Intel Xeon E5503 vs Intel Xeon E5 2603

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Intel Xeon E5503

Intel Xeon E5-2603

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

Main Differences

Intel Xeon E5503 's Advantages

Higher base frequency (2GHz vs 1.8GHz)

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)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5503

223

Intel Xeon E5 2603 +156%

571

Geekbench 6 Multi Core

Intel Xeon E5503

670

Intel Xeon E5 2603 +329%

2875

Intel Xeon E5503

VS

Intel Xeon E5 2603

General Parameters

Mar 2010

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Gainestown

Core Architecture

Sandy Bridge-EP

Intel Socket 1366

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon (Gainestown)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

0.731 billions

Transistor Count

1.27 billions

45 nm

Manufacturing Process

32 nm

80 W

Power Consumption

80 W

Intel

Foundry

Intel

263 mm²

Die Size

294 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

1.8 GHz

0

Performance Core Turbo Frequency

0

2

Total Core Count

4

2

Total Thread Count

4

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

18.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

4 MB shared

L3 Cache

10 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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