AMD EPYC 9645 vs AMD EPYC 7203

VS

AMD EPYC 9645

AMD EPYC 7203

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and AMD EPYC 7203 with 8 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9645 's Advantages

Released 1 years and 1 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (3nm vs 7nm)

AMD EPYC 7203 's Advantages

Higher base frequency (2.8GHz vs 2.3GHz)

Lower TDP (120W vs 320W)

Score

AMD EPYC 9645

VS

AMD EPYC 7203

General Parameters

Oct 2024

Release Date

Sep 2023

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Milan

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

EPYC (Zen 3 (Milan))

Package

Transistor Count

8.3 billions

3 nm

Manufacturing Process

7 nm

320 W

Power Consumption

120 W

TSMC

Foundry

TSMC

mm²

Die Size

2x81 mm²

6 nm

I/O Process Size

12 nm

mm²

I/O Die Size

416 mm²

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

2.8 GHz

3.7 GHz

Performance Core Turbo Frequency

3.4 GHz

96

Total Core Count

8

192

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

28.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

256 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

4

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-3200

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

128

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