Ryzen 5 PRO 7645 vs AMD EPYC 9555

VS

AMD Ryzen 5 PRO 7645

AMD EPYC 9555

We compared two server CPUs: Ryzen 5 PRO 7645 with 6 cores 3.8GHz and AMD EPYC 9555 with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Ryzen 5 PRO 7645 's Advantages

Higher base frequency (3.8GHz vs 3.2GHz)

Lower TDP (65W vs 360W)

AMD EPYC 9555 '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 (4nm vs 5nm)

Score

Ryzen 5 PRO 7645

VS

AMD EPYC 9555

General Parameters

Jun 2023

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Raphael

Core Architecture

Turin

AMD Socket AM5

Socket

AMD Socket SP5

Radeon Graphics

Integrated Graphics

N/A

Ryzen 5 (Zen 4 (Raphael))

Generation

EPYC(Zen 5 (Turin))

Package

6.57 billions

Transistor Count

66.52 billions

5 nm

Manufacturing Process

4 nm

65 W

Power Consumption

360 W

61 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

71 mm²

Die Size

8x70.6 mm²

6 nm

I/O Process Size

6 nm

122 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

64

-

Performance Core Threads

128

3.8 GHz

Performance Core Base Frequency

3.2 GHz

5.1 GHz

Performance Core Turbo Frequency

4.4 GHz

6

Total Core Count

64

12

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

32.0

64 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

32 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR5-5200

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9555

5

PCIe Version

5

24

PCIe Lanes

128

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