Xeon E6540 vs AMD EPYC 7401

VS

Intel Xeon E6540

AMD EPYC 7401

We compared two server CPUs: Xeon E6540 with 6 cores 2GHz and AMD EPYC 7401 with 24 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E6540 's Advantages

Lower TDP (105W vs 170W)

AMD EPYC 7401 's Advantages

Released 7 years and 3 months late

Higher specification of memory (2666 vs 1333)

Newer PCIe version (3 vs 2)

Larger L3 cache size (64MB vs 18MB)

More modern manufacturing process (14nm vs 45nm)

Score

Xeon E6540

VS

AMD EPYC 7401

General Parameters

Mar 2010

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Nehalem-EX

Core Architecture

Naples

Intel Socket 1567

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon(Beckton)

Generation

EPYC (Zen (Naples))

Package

2.3 billions

Transistor Count

4.8 billions

45 nm

Manufacturing Process

14 nm

105 W

Power Consumption

170 W

-

Peak Operating Temperature

85 °C

Intel

Foundry

GlobalFoundries

684 mm²

Die Size

213 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2 GHz

2.266 GHz

Performance Core Turbo Frequency

3 GHz

6

Total Core Count

24

12

Total Thread Count

48

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

20.0

64 KB per core

L1 Cache

96 K per core

256 KB per core

L2 Cache

512 K per core

18 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR4-2666

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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