AMD Ryzen 9 PRO 7945 vs AMD EPYC 9655

VS

AMD Ryzen 9 PRO 7945

AMD EPYC 9655

We compared two server CPUs: AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz and AMD EPYC 9655 with 96 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 PRO 7945 's Advantages

Higher base frequency (3.7GHz vs 2.6GHz)

Lower TDP (65W vs 400W)

AMD EPYC 9655 's Advantages

Released 1 years and 4 months late

Higher specification of memory (6000 vs 5200)

Larger L3 cache size (384MB vs 64MB)

More modern manufacturing process (4nm vs 5nm)

Score

AMD Ryzen 9 PRO 7945

VS

AMD EPYC 9655

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 9 (Zen 4 (Raphael))

Generation

EPYC(Zen 5 (Turin))

Package

13.14 billions

Transistor Count

99.78 billions

5 nm

Manufacturing Process

4 nm

65 W

Power Consumption

400 W

47 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

2x71 mm²

Die Size

12x70.6 mm²

6 nm

I/O Process Size

6 nm

122 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

3.7 GHz

Performance Core Base Frequency

2.6 GHz

5.4 GHz

Performance Core Turbo Frequency

4.5 GHz

12

Total Core Count

96

24

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

37.0

Multiplier

26.0

64 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

384 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 9655

5

PCIe Version

5

24

PCIe Lanes

128

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