AMD EPYC 9555 vs AMD Ryzen Embedded 8640U

VS

AMD EPYC 9555

AMD Ryzen Embedded 8640U

We compared two server CPUs: AMD EPYC 9555 with 64 cores 3.2GHz and AMD Ryzen Embedded 8640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9555 's Advantages

Released 6 months late

Higher specification of memory (6000 vs 5600)

Newer PCIe version (5 vs 4)

Larger L3 cache size (256MB vs 16MB)

AMD Ryzen Embedded 8640U 's Advantages

Higher base frequency (3.5GHz vs 3.2GHz)

Lower TDP (28W vs 360W)

Score

AMD EPYC 9555

VS

AMD Ryzen Embedded 8640U

General Parameters

Oct 2024

Release Date

Apr 2024

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Hawk Point

AMD Socket SP5

Socket

AMD Socket FP8

N/A

Integrated Graphics

Radeon 760M

EPYC(Zen 5 (Turin))

Generation

Ryzen Embedded (Zen 4 (Hawk Point))

Package

66.52 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

360 W

Power Consumption

28 W

TSMC

Foundry

TSMC

8x70.6 mm²

Die Size

178 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

64

Performance Cores

-

128

Performance Core Threads

-

3.2 GHz

Performance Core Base Frequency

3.5 GHz

4.4 GHz

Performance Core Turbo Frequency

4.9 GHz

64

Total Core Count

6

128

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

32.0

Multiplier

35.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR5-5600

6 TB

Max Memory Size

-

12

Max Memory Channels

2

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9555

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

20

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