AMD EPYC 9734 vs AMD EPYC 7642

VS

AMD EPYC 9734

AMD EPYC 7642

We compared two server CPUs: AMD EPYC 9734 with 112 cores 2.2GHz and AMD EPYC 7642 with 48 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9734 's Advantages

Released 3 years and 10 months late

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5 vs 4)

More modern manufacturing process (5nm vs 7nm)

AMD EPYC 7642 's Advantages

Higher base frequency (2.4GHz vs 2.2GHz)

Lower TDP (225W vs 340W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9734 +40%

1673

AMD EPYC 7642

1191

Geekbench 6 Multi Core

AMD EPYC 9734 +13%

12850

AMD EPYC 7642

11362

AMD EPYC 9734

VS

AMD EPYC 7642

General Parameters

Jun 2023

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Bergamo

Core Architecture

Rome

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Bergamo))

Generation

EPYC (Zen 2 (Rome))

Package

71 billions

Transistor Count

3.8 billions

5 nm

Manufacturing Process

7 nm

340 W

Power Consumption

225 W

TSMC

Foundry

TSMC

8x73 mm²

Die Size

74 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.2 GHz

Performance Core Base Frequency

2.4 GHz

3 GHz

Performance Core Turbo Frequency

3.4 GHz

112

Total Core Count

48

224

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

22.0

Multiplier

24.0

64 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

256 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

460.8 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9734

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

-

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