AMD EPYC 7542 vs Intel Xeon E5 2643 v3

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AMD EPYC 7542

Intel Xeon E5-2643 v3

We compared two server CPUs: AMD EPYC 7542 with 32 cores 2.9GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7542 's Advantages

Released 4 years and 11 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (128MB vs 20MB)

More modern manufacturing process (7nm vs 22nm)

Intel Xeon E5 2643 v3 's Advantages

Higher base frequency (3.4GHz vs 2.9GHz)

Lower TDP (135W vs 225W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7542 +15%

1376

Intel Xeon E5 2643 v3

1188

Geekbench 6 Multi Core

AMD EPYC 7542

2532

Intel Xeon E5 2643 v3 +231%

8391

AMD EPYC 7542

VS

Intel Xeon E5 2643 v3

General Parameters

Aug 2019

Release Date

Sep 2014

AMD

Manufacturer

Intel

Server

Type

Server

Rome

Core Architecture

Haswell-EP

AMD Socket SP3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

Xeon E5 (Haswell-EP)

Package

3.8 billions

Transistor Count

2.6 billions

7 nm

Manufacturing Process

22 nm

225 W

Power Consumption

135 W

TSMC

Foundry

Intel

74 mm²

Die Size

356 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

3.4 GHz

Performance Core Turbo Frequency

3.7 GHz

32

Total Core Count

6

64

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

34.0

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

128 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2133

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

-

PCIe Lanes

40

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