AMD EPYC 7643P vs Centaur CHA

VS

AMD EPYC 7643P

VIA Centaur CHA

We compared two server CPUs: AMD EPYC 7643P with 48 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 7643P 's Advantages

Released 122 years and 8 months late

Newer PCIe version (4 vs 3)

Higher base frequency (2.3GHz vs 1.2GHz)

Larger L3 cache size (256MB vs 16MB)

More modern manufacturing process (7nm vs 16nm)

Centaur CHA 's Advantages

Lower TDP (70W vs 225W)

Score

AMD EPYC 7643P

VS

Centaur CHA

General Parameters

Sep 2023

Release Date

Jan 1901

AMD

Manufacturer

VIA

Server

Type

Server

Milan

Core Architecture

CHA

AMD Socket SP3

Socket

VIA Socket 2084

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

CHA (CNS)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

16 nm

225 W

Power Consumption

70 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

195 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

1.2 GHz

3.6 GHz

Performance Core Turbo Frequency

2.5 GHz

48

Total Core Count

8

96

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

12.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

8

Cores per CCD

-

1

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

44

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