AMD EPYC 9645 vs Ryzen 5 PRO 7645

VS

AMD EPYC 9645

AMD Ryzen 5 PRO 7645

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Ryzen 5 PRO 7645 with 6 cores 3.8GHz . 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 4 months late

Higher specification of memory (6000 vs 5200)

Larger L3 cache size (256MB vs 32MB)

More modern manufacturing process (3nm vs 5nm)

Ryzen 5 PRO 7645 's Advantages

Higher base frequency (3.8GHz vs 2.3GHz)

Lower TDP (65W vs 320W)

Score

AMD EPYC 9645

VS

Ryzen 5 PRO 7645

General Parameters

Oct 2024

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Raphael

AMD Socket SP5

Socket

AMD Socket AM5

N/A

Integrated Graphics

Radeon Graphics

EPYC(Zen 5c (Turin))

Generation

Ryzen 5 (Zen 4 (Raphael))

Package

Transistor Count

6.57 billions

3 nm

Manufacturing Process

5 nm

320 W

Power Consumption

65 W

-

Peak Operating Temperature

61 °C

TSMC

Foundry

TSMC

mm²

Die Size

71 mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

122 mm²

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

3.8 GHz

3.7 GHz

Performance Core Turbo Frequency

5.1 GHz

96

Total Core Count

6

192

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

38.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR5-5200

6 TB

Max Memory Size

-

12

Max Memory Channels

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

24

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