Xeon E7 4820 vs AMD EPYC 7543P

VS

Intel Xeon E7-4820

AMD EPYC 7543P

We compared two server CPUs: Xeon E7 4820 with 8 cores 2GHz and AMD EPYC 7543P with 32 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 4820 's Advantages

Lower TDP (105W vs 225W)

AMD EPYC 7543P 's Advantages

Released 9 years and 11 months late

Higher specification of memory (3200 vs 1333)

Higher base frequency (2.8GHz vs 2GHz)

Larger L3 cache size (256MB vs 18MB)

More modern manufacturing process (7nm vs 32nm)

Score

Xeon E7 4820

VS

AMD EPYC 7543P

General Parameters

Apr 2011

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EX

Core Architecture

Milan

Intel Socket 1567

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

EPYC (Zen 3 (Milan))

Package

2.6 billions

Transistor Count

33.2 billions

32 nm

Manufacturing Process

7 nm

105 W

Power Consumption

225 W

Intel

Foundry

TSMC

513 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.8 GHz

2.266 GHz

Performance Core Turbo Frequency

3.7 GHz

8

Total Core Count

32

16

Total Thread Count

64

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

28.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

512 KB per core

18 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

4

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR4-3200

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

4

-

PCIe Lanes

128

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