AMD EPYC 7281 vs Xeon E5540

VS

AMD EPYC 7281

Intel Xeon E5540

We compared two server CPUs: AMD EPYC 7281 with 16 cores 2.1GHz and Xeon E5540 with 4 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7281 's Advantages

Released 8 years and 3 months late

Higher specification of memory (2666 vs 1066)

Newer PCIe version (3 vs 2)

Larger L3 cache size (32MB vs 8MB)

More modern manufacturing process (14nm vs 45nm)

Xeon E5540 's Advantages

Higher base frequency (2.533GHz vs 2.1GHz)

Lower TDP (80W vs 170W)

Score

AMD EPYC 7281

VS

Xeon E5540

General Parameters

Jun 2017

Release Date

Mar 2009

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Gainestown

AMD Socket SP3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon(Gainestown)

Package

4.8 billions

Transistor Count

0.731 billions

14 nm

Manufacturing Process

45 nm

170 W

Power Consumption

80 W

85 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

263 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

2.533 GHz

2.7 GHz

Performance Core Turbo Frequency

2.8 GHz

16

Total Core Count

4

32

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

21.0

Multiplier

19.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

32 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR3-1066

8

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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