Opteron 6274 vs AMD EPYC 9645

VS

AMD Opteron 6274

AMD EPYC 9645

We compared two server CPUs: Opteron 6274 with 16 cores 2.2GHz 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

Opteron 6274 's Advantages

Lower TDP (115W vs 320W)

AMD EPYC 9645 's Advantages

Released 12 years and 11 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (2.3GHz vs 2.2GHz)

Larger L3 cache size (256MB vs 16MB)

More modern manufacturing process (3nm vs 32nm)

Score

Opteron 6274

VS

AMD EPYC 9645

General Parameters

Nov 2011

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Interlagos

Core Architecture

Turin

AMD Socket G34

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

EPYC(Zen 5c (Turin))

Package

2.4 billions

Transistor Count

32 nm

Manufacturing Process

3 nm

115 W

Power Consumption

320 W

-

Foundry

TSMC

316 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

2.2 GHz

Performance Core Base Frequency

2.3 GHz

3.1 GHz

Performance Core Turbo Frequency

3.7 GHz

16

Total Core Count

96

16

Total Thread Count

192

200 MHz

Bus Frequency

100 MHz

11.0

Multiplier

23.0

768 K shared

L1 Cache

80 KB per core

8.00391 MB per core

L2 Cache

1 MB per core

16 MB

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

No

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9645

2

PCIe Version

5

-

PCIe Lanes

128

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