AMD EPYC 9645 vs AMD Ryzen Embedded 8840U

VS

AMD EPYC 9645

AMD Ryzen Embedded 8840U

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and AMD Ryzen Embedded 8840U with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9645 '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)

More modern manufacturing process (3nm vs 4nm)

AMD Ryzen Embedded 8840U 's Advantages

Higher base frequency (3.3GHz vs 2.3GHz)

Lower TDP (28W vs 320W)

Score

AMD EPYC 9645

VS

AMD Ryzen Embedded 8840U

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 780M

EPYC(Zen 5c (Turin))

Generation

Ryzen Embedded (Zen 4 (Hawk Point))

Package

Transistor Count

25 billions

3 nm

Manufacturing Process

4 nm

320 W

Power Consumption

28 W

TSMC

Foundry

TSMC

mm²

Die Size

178 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

3.3 GHz

3.7 GHz

Performance Core Turbo Frequency

5.1 GHz

96

Total Core Count

8

192

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

33.0

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 9645

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

20

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