AMD EPYC 7663 vs AMD EPYC 9684X

VS

AMD EPYC 7663

AMD EPYC 9684X

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and AMD EPYC 9684X with 96 cores 2.55GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663 's Advantages

Lower TDP (240W vs 400W)

AMD EPYC 9684X 's Advantages

Released 2 years and 3 months late

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (2.55GHz vs 2GHz)

Larger L3 cache size (1152MB vs 256MB)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7663

777

AMD EPYC 9684X +169%

2097

Geekbench 6 Multi Core

AMD EPYC 7663

6330

AMD EPYC 9684X +232%

21077

AMD EPYC 7663

VS

AMD EPYC 9684X

General Parameters

Mar 2021

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Genoa-X

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen 4 (Genoa))

Package

33.2 billions

Transistor Count

135.24 billions

7 nm

Manufacturing Process

5 nm

240 W

Power Consumption

400 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

12x72 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

397 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.55 GHz

3.5 GHz

Performance Core Turbo Frequency

3.7 GHz

56

Total Core Count

96

112

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

25.5

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

1152 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-4800

8

Max Memory Channels

12

-

Max Memory Bandwidth

460.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9684X

4

PCIe Version

5

128

PCIe Lanes

128

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