AMD EPYC 7542 vs AMD EPYC 9634

VS

AMD EPYC 7542

AMD EPYC 9634

We compared two server CPUs: AMD EPYC 7542 with 32 cores 2.9GHz and AMD EPYC 9634 with 84 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7542 's Advantages

Higher base frequency (2.9GHz vs 2.25GHz)

Lower TDP (225W vs 290W)

AMD EPYC 9634 's Advantages

Released 3 years and 3 months late

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5 vs 4)

Larger L3 cache size (384MB vs 128MB)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7542 +9%

1376

AMD EPYC 9634

1262

Geekbench 6 Multi Core

AMD EPYC 7542

2532

AMD EPYC 9634 +120%

5595

AMD EPYC 7542

VS

AMD EPYC 9634

General Parameters

Aug 2019

Release Date

Nov 2022

AMD

Manufacturer

AMD

Server

Type

Server

Rome

Core Architecture

Genoa

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

EPYC (Zen 4 (Genoa))

Package

3.8 billions

Transistor Count

78.84 billions

7 nm

Manufacturing Process

5 nm

225 W

Power Consumption

290 W

TSMC

Foundry

TSMC

74 mm²

Die Size

12x72 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

397 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.25 GHz

3.4 GHz

Performance Core Turbo Frequency

3.7 GHz

32

Total Core Count

84

64

Total Thread Count

168

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

22.5

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

384 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-4800

8

Max Memory Channels

12

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

-

PCIe Lanes

128

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