AMD EPYC 7251 vs AMD EPYC 9355

VS

AMD EPYC 7251

AMD EPYC 9355

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and AMD EPYC 9355 with 32 cores 3.55GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7251 's Advantages

Lower TDP (120W vs 280W)

AMD EPYC 9355 's Advantages

Released 7 years and 4 months late

Higher specification of memory (6000 vs 2400)

Newer PCIe version (5 vs 3)

Higher base frequency (3.55GHz vs 2.1GHz)

Larger L3 cache size (256MB vs 32MB)

More modern manufacturing process (4nm vs 14nm)

Score

AMD EPYC 7251

VS

AMD EPYC 9355

General Parameters

Jun 2017

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Turin

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC(Zen 5 (Turin))

Package

4.8 billions

Transistor Count

66.52 billions

14 nm

Manufacturing Process

4 nm

120 W

Power Consumption

280 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

8x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

32

-

Performance Core Threads

64

2.1 GHz

Performance Core Base Frequency

3.55 GHz

2.9 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Total Core Count

32

16

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

35.5

96 K per core

L1 Cache

80 KB per core

512 K per core

L2 Cache

1 MB per core

32 MB shared

L3 Cache

256 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2400

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

8

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9355

3

PCIe Version

5

-

PCIe Lanes

128

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