Intel Xeon E5603 vs AMD EPYC 7281

VS

Intel Xeon E5603

AMD EPYC 7281

We compared two server CPUs: Intel Xeon E5603 with 4 cores 1.6GHz and AMD EPYC 7281 with 16 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5603 's Advantages

Lower TDP (80W vs 170W)

AMD EPYC 7281 's Advantages

Released 6 years and 4 months late

Higher specification of memory (2666 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.1GHz vs 1.6GHz)

Larger L3 cache size (32MB vs 4MB)

More modern manufacturing process (14nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5603

201

AMD EPYC 7281 +178%

560

Geekbench 6 Multi Core

Intel Xeon E5603 +28%

586

AMD EPYC 7281

456

Intel Xeon E5603

VS

AMD EPYC 7281

General Parameters

Feb 2011

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Naples

Intel Socket 1366

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC (Zen (Naples))

Package

1.17 billions

Transistor Count

4.8 billions

32 nm

Manufacturing Process

14 nm

80 W

Power Consumption

170 W

-

Peak Operating Temperature

85 °C

Intel

Foundry

GlobalFoundries

239 mm²

Die Size

213 mm²

CPU Performance

1.6 GHz

Performance Core Base Frequency

2.1 GHz

0

Performance Core Turbo Frequency

2.7 GHz

4

Total Core Count

16

4

Total Thread Count

32

133 MHz

Bus Frequency

100 MHz

12.0

Multiplier

21.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

4 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2666

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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