AMD EPYC 8124P vs AMD EPYC 9645

VS

AMD EPYC 8124P

AMD EPYC 9645

We compared two server CPUs: AMD EPYC 8124P with 16 cores 2.45GHz and AMD EPYC 9645 with 96 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 8124P 's Advantages

Higher base frequency (2.45GHz vs 2.3GHz)

Lower TDP (125W vs 320W)

AMD EPYC 9645 's Advantages

Released 1 years and 1 months late

Higher specification of memory (6000 vs 4800)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (3nm vs 5nm)

Score

AMD EPYC 8124P

VS

AMD EPYC 9645

General Parameters

Sep 2023

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Siena

Core Architecture

Turin

AMD Socket SP6

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Siena))

Generation

EPYC(Zen 5c (Turin))

Package

17.75 billions

Transistor Count

5 nm

Manufacturing Process

3 nm

125 W

Power Consumption

320 W

75 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

2x73 mm²

Die Size

mm²

6 nm

I/O Process Size

6 nm

397 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

2.45 GHz

Performance Core Base Frequency

2.3 GHz

3 GHz

Performance Core Turbo Frequency

3.7 GHz

16

Total Core Count

96

32

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

24.5

Multiplier

23.0

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

6

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9645

5

PCIe Version

5

96

PCIe Lanes

128

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