AMD EPYC 9455P vs AMD Ryzen 9 PRO 7945

VS

AMD EPYC 9455P

AMD Ryzen 9 PRO 7945

We compared two server CPUs: AMD EPYC 9455P with 48 cores 3.15GHz and AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9455P 's Advantages

Released 1 years and 4 months late

Higher specification of memory (6000 vs 5200)

Larger L3 cache size (192MB vs 64MB)

More modern manufacturing process (4nm vs 5nm)

AMD Ryzen 9 PRO 7945 's Advantages

Higher base frequency (3.7GHz vs 3.15GHz)

Lower TDP (65W vs 300W)

Score

AMD EPYC 9455P

VS

AMD Ryzen 9 PRO 7945

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 5 (Turin))

Generation

Ryzen 9 (Zen 4 (Raphael))

Package

Transistor Count

13.14 billions

4 nm

Manufacturing Process

5 nm

300 W

Power Consumption

65 W

-

Peak Operating Temperature

47 °C

TSMC

Foundry

TSMC

mm²

Die Size

2x71 mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

122 mm²

CPU Performance

48

Performance Cores

-

96

Performance Core Threads

-

3.15 GHz

Performance Core Base Frequency

3.7 GHz

4.4 GHz

Performance Core Turbo Frequency

5.4 GHz

48

Total Core Count

12

96

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

31.5

Multiplier

37.0

64 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

192 MB

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

1

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 9455P

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

24

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