AMD EPYC 9684X vs AMD EPYC 7551

VS

AMD EPYC 9684X

AMD EPYC 7551

We compared two server CPUs: AMD EPYC 9684X with 96 cores 2.55GHz 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 9684X 's Advantages

Released 6 years late

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5 vs 3)

Higher base frequency (2.55GHz vs 2GHz)

Larger L3 cache size (1152MB vs 64MB)

More modern manufacturing process (5nm vs 14nm)

AMD EPYC 7551 's Advantages

Lower TDP (180W vs 400W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9684X +135%

2097

AMD EPYC 7551

890

Geekbench 6 Multi Core

AMD EPYC 9684X +286%

21077

AMD EPYC 7551

5459

AMD EPYC 9684X

VS

AMD EPYC 7551

General Parameters

Jun 2023

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Genoa-X

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

EPYC (Zen (Naples))

Package

135.24 billions

Transistor Count

4.8 billions

5 nm

Manufacturing Process

14 nm

400 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

12x72 mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.55 GHz

Performance Core Base Frequency

2 GHz

3.7 GHz

Performance Core Turbo Frequency

3 GHz

96

Total Core Count

32

192

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

25.5

Multiplier

20.0

64 K per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

1152 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-2666

12

Max Memory Channels

8

460.8 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9684X

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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