AMD EPYC 9645 vs Centaur CHA

VS

AMD EPYC 9645

VIA Centaur CHA

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Centaur CHA with 8 cores 1.2GHz . 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 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)

Centaur CHA 's Advantages

Lower TDP (70W vs 320W)

Score

AMD EPYC 9645

VS

Centaur CHA

General Parameters

Oct 2024

Release Date

Jan 1901

AMD

Manufacturer

VIA

Server

Type

Server

Turin

Core Architecture

CHA

AMD Socket SP5

Socket

VIA Socket 2084

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

CHA (CNS)

Package

Transistor Count

-

3 nm

Manufacturing Process

16 nm

320 W

Power Consumption

70 W

TSMC

Foundry

TSMC

mm²

Die Size

195 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

1.2 GHz

3.7 GHz

Performance Core Turbo Frequency

2.5 GHz

96

Total Core Count

8

192

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

12.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-3200

6 TB

Max Memory Size

-

12

Max Memory Channels

4

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

44

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