Intel Atom x7405C vs AMD EPYC 9555

VS

Intel Atom x7405C

AMD EPYC 9555

We compared two server CPUs: Intel Atom x7405C with 4 cores 1.7GHz 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

Intel Atom x7405C 's Advantages

Lower TDP (12W vs 360W)

AMD EPYC 9555 's Advantages

Released 6 months late

Higher specification of memory (6000 vs 4800)

Larger memory bandwidth (576GB/s vs 38.4GB/s)

Newer PCIe version (5 vs 3)

Higher base frequency (3.2GHz vs 1.7GHz)

Larger L3 cache size (256MB vs 6MB)

More modern manufacturing process (4nm vs 10nm)

Score

Intel Atom x7405C

VS

AMD EPYC 9555

General Parameters

Apr 2024

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Amston Lake

Core Architecture

Turin

Intel BGA 1264

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Atom (Gracemont)

Generation

EPYC(Zen 5 (Turin))

Package

-

Transistor Count

66.52 billions

10 nm

Manufacturing Process

4 nm

12 W

Power Consumption

360 W

Intel

Foundry

TSMC

-

Die Size

8x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

64

-

Performance Core Threads

128

1.7 GHz

Performance Core Base Frequency

3.2 GHz

3.4 GHz

Performance Core Turbo Frequency

4.4 GHz

4

Total Core Count

64

4

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

17.0

Multiplier

32.0

96 KB per core

L1 Cache

80 KB per core

2 MB shared

L2 Cache

1 MB per core

6 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4-3200, DDR5-4800

Memory Types

DDR5-6000

32 GB

Max Memory Size

6 TB

1

Max Memory Channels

12

38.4 GB/s

Max Memory Bandwidth

576 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Atom x7405C

Official Website

AMD EPYC 9555

3

PCIe Version

5

9

PCIe Lanes

128

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