AMD EPYC 9455P vs AMD EPYC 7281

VS

AMD EPYC 9455P

AMD EPYC 7281

We compared two server CPUs: AMD EPYC 9455P with 48 cores 3.15GHz and AMD EPYC 7281 with 16 cores 2.1GHz . 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 7 years and 4 months late

Higher specification of memory (6000 vs 2666)

Newer PCIe version (5 vs 3)

Higher base frequency (3.15GHz vs 2.1GHz)

Larger L3 cache size (192MB vs 32MB)

More modern manufacturing process (4nm vs 14nm)

AMD EPYC 7281 's Advantages

Lower TDP (170W vs 300W)

Score

AMD EPYC 9455P

VS

AMD EPYC 7281

General Parameters

Oct 2024

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 5 (Turin))

Generation

EPYC (Zen (Naples))

Package

Transistor Count

4.8 billions

4 nm

Manufacturing Process

14 nm

300 W

Power Consumption

170 W

-

Peak Operating Temperature

85 °C

TSMC

Foundry

GlobalFoundries

mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

48

Performance Cores

-

96

Performance Core Threads

-

3.15 GHz

Performance Core Base Frequency

2.1 GHz

4.4 GHz

Performance Core Turbo Frequency

2.7 GHz

48

Total Core Count

16

96

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

31.5

Multiplier

21.0

64 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

192 MB

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-2666

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9455P

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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