AMD EPYC 9254 vs AMD EPYC 7742

VS

AMD EPYC 9254 AMD EPYC 7742

We compared two server CPUs: AMD EPYC 9254 with 24 cores 2.9GHz and AMD EPYC 7742 with 64 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9254 's Advantages

Released 3 years and 3 months late

Higher specification of memory (DDR5-4800 vs DDR4-3200)

Newer PCIe version (5 vs 4)

Higher base frequency (2.9GHz vs 2.25GHz)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (200W vs 225W)

AMD EPYC 7742 's Advantages

Larger L3 cache size (256MB vs 128MB)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9254 +455%

2245

AMD EPYC 7742

404

Geekbench 6 Multi Core

AMD EPYC 9254 +10598%

18187

AMD EPYC 7742

170

AMD EPYC 9254

VS

AMD EPYC 7742

General Parameters

Nov 2022

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Genoa

Core Architecture

Rome

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

EPYC (Zen 2 (Rome))

Package

26.28 billions

Transistor Count

3.8 billions

5 nm

Manufacturing Process

7 nm

AMD Socket SP5

Socket

AMD Socket SP3

200 W

Power Consumption

225 W

TSMC

Foundry

TSMC

4x72 mm²

Die Size

74 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

FC-LGA6096

Package

FCLGA-4094

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.25 GHz

4.15 GHz

Performance Core Turbo Frequency

3.4 GHz

24

Total Core Count

64

48

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

22.5

64 K per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

128 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-3200

12

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

128

PCIe Lanes

-

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