AMD EPYC 9645 vs Opteron 6344

VS

AMD EPYC 9645

AMD Opteron 6344

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Opteron 6344 with 12 cores 2.6GHz . 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 11 years and 11 months late

Higher specification of memory (6000 vs 1866)

Newer PCIe version (5 vs 2)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (3nm vs 32nm)

Opteron 6344 's Advantages

Higher base frequency (2.6GHz vs 2.3GHz)

Lower TDP (115W vs 320W)

Score

AMD EPYC 9645

VS

Opteron 6344

General Parameters

Oct 2024

Release Date

Nov 2012

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Abu Dhabi

AMD Socket SP5

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Opteron (Abu Dhabi)

Package

Transistor Count

2.4 billions

3 nm

Manufacturing Process

32 nm

320 W

Power Consumption

115 W

-

Peak Operating Temperature

70 °C

TSMC

Foundry

GlobalFoundries

mm²

Die Size

2x315 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

2.6 GHz

3.7 GHz

Performance Core Turbo Frequency

3.2 GHz

96

Total Core Count

12

192

Total Thread Count

12

100 MHz

Bus Frequency

200 MHz

23.0

Multiplier

13.0

80 KB per core

L1 Cache

576 KB

1 MB per core

L2 Cache

2 MB per module

256 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR5-6000

Memory Types

DDR3-1866

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

2

128

PCIe Lanes

-

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