Centaur CHA vs AMD EPYC 9645

VS

VIA Centaur CHA

AMD EPYC 9645

We compared two server CPUs: Centaur CHA with 8 cores 1.2GHz and AMD EPYC 9645 with 96 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Centaur CHA 's Advantages

Lower TDP (70W vs 320W)

AMD EPYC 9645 's Advantages

Released 123 years and 9 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 3)

Higher base frequency (2.3GHz vs 1.2GHz)

Larger L3 cache size (256MB vs 16MB)

More modern manufacturing process (3nm vs 16nm)

Score

Centaur CHA

VS

AMD EPYC 9645

General Parameters

Jan 1901

Release Date

Oct 2024

VIA

Manufacturer

AMD

Server

Type

Server

CHA

Core Architecture

Turin

VIA Socket 2084

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

CHA (CNS)

Generation

EPYC(Zen 5c (Turin))

Package

-

Transistor Count

16 nm

Manufacturing Process

3 nm

70 W

Power Consumption

320 W

TSMC

Foundry

TSMC

195 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

1.2 GHz

Performance Core Base Frequency

2.3 GHz

2.5 GHz

Performance Core Turbo Frequency

3.7 GHz

8

Total Core Count

96

8

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

23.0

64 KB per core

L1 Cache

80 KB per core

256 KB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

256 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

4

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9645

3

PCIe Version

5

44

PCIe Lanes

128

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