AMD EPYC 7742 vs AMD EPYC 7401

VS

AMD EPYC 7742 AMD EPYC 7401

We compared two server CPUs: AMD EPYC 7742 with 64 cores 2.25GHz and AMD EPYC 7401 with 24 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7742 's Advantages

Released 2 years and 2 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4 vs 3)

Higher base frequency (2.25GHz vs 2GHz)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (7nm vs 14nm)

AMD EPYC 7401 's Advantages

Lower TDP (170W vs 225W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7742

404

AMD EPYC 7401 +90%

771

Geekbench 6 Multi Core

AMD EPYC 7742

170

AMD EPYC 7401 +667%

1304

AMD EPYC 7742

VS

AMD EPYC 7401

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

AMD Socket SP3

Socket

AMD Socket SP3

225 W

Power Consumption

170 W

-

Peak Operating Temperature

85 °C

TSMC

Foundry

GlobalFoundries

74 mm²

Die Size

213 mm²

FCLGA-4094

Package

FCLGA-4094

CPU Performance

2.25 GHz

Performance Core Base Frequency

2 GHz

3.4 GHz

Performance Core Turbo Frequency

3 GHz

64

Total Core Count

24

128

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

20.0

96 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

256 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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