AMD EPYC 7551 vs AMD EPYC 7542

VS

AMD EPYC 7551

AMD EPYC 7542

We compared two server CPUs: AMD EPYC 7551 with 32 cores 2GHz and AMD EPYC 7542 with 32 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7551 's Advantages

Lower TDP (180W vs 225W)

AMD EPYC 7542 's Advantages

Released 2 years and 2 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4 vs 3)

Higher base frequency (2.9GHz vs 2GHz)

Larger L3 cache size (128MB vs 64MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7551

890

AMD EPYC 7542 +54%

1376

Geekbench 6 Multi Core

AMD EPYC 7551 +115%

5459

AMD EPYC 7542

2532

AMD EPYC 7551

VS

AMD EPYC 7542

General Parameters

Jun 2017

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Rome

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC (Zen 2 (Rome))

Package

4.8 billions

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

180 W

Power Consumption

225 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

74 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.9 GHz

3 GHz

Performance Core Turbo Frequency

3.4 GHz

32

Total Core Count

32

64

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

29.0

96 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

128 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

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