AMD EPYC 7542 vs AMD EPYC 7551

VS

AMD EPYC 7542

AMD EPYC 7551

We compared two server CPUs: AMD EPYC 7542 with 32 cores 2.9GHz and AMD EPYC 7551 with 32 cores 2GHz . 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 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)

AMD EPYC 7551 's Advantages

Lower TDP (180W vs 225W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7542 +54%

1376

AMD EPYC 7551

890

Geekbench 6 Multi Core

AMD EPYC 7542

2532

AMD EPYC 7551 +115%

5459

AMD EPYC 7542

VS

AMD EPYC 7551

General Parameters

Aug 2019

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Rome

Core Architecture

Naples

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

EPYC (Zen (Naples))

Package

3.8 billions

Transistor Count

4.8 billions

7 nm

Manufacturing Process

14 nm

225 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

74 mm²

Die Size

213 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2 GHz

3.4 GHz

Performance Core Turbo Frequency

3 GHz

32

Total Core Count

32

64

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

20.0

96 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

128 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

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