AMD EPYC 7543 vs Xeon E5540

VS

AMD EPYC 7543

Intel Xeon E5540

We compared two server CPUs: AMD EPYC 7543 with 32 cores 2.8GHz 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 7543 's Advantages

Released 12 years late

Higher specification of memory (3200 vs 1066)

Newer PCIe version (4 vs 2)

Higher base frequency (2.8GHz vs 2.533GHz)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 45nm)

Xeon E5540 's Advantages

Lower TDP (80W vs 225W)

Score

AMD EPYC 7543

VS

Xeon E5540

General Parameters

Mar 2021

Release Date

Mar 2009

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Gainestown

AMD Socket SP3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon(Gainestown)

Package

33.2 billions

Transistor Count

0.731 billions

7 nm

Manufacturing Process

45 nm

225 W

Power Consumption

80 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

263 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.8 GHz

Performance Core Base Frequency

2.533 GHz

3.7 GHz

Performance Core Turbo Frequency

2.8 GHz

32

Total Core Count

4

64

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

28.0

Multiplier

19.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

4

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3-1066

8

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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