AMD EPYC 9745 vs Opteron 8346 HE (B3)

VS

AMD EPYC 9745

AMD Opteron 8346 HE (B3)

We compared two server CPUs: AMD EPYC 9745 with 128 cores 2.4GHz and Opteron 8346 HE (B3) with 4 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9745 's Advantages

Released 16 years and 5 months late

Higher specification of memory (6000 vs 667)

Higher base frequency (2.4GHz vs 1.8GHz)

Larger L3 cache size (256MB vs 2MB)

More modern manufacturing process (3nm vs 65nm)

Opteron 8346 HE (B3) 's Advantages

Lower TDP (68W vs 400W)

Score

AMD EPYC 9745

VS

Opteron 8346 HE (B3)

General Parameters

Oct 2024

Release Date

May 2008

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Barcelona

AMD Socket SP5

Socket

AMD Socket Fr2

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Opteron(Barcelona)

Package

Transistor Count

0.463 billions

3 nm

Manufacturing Process

65 nm

400 W

Power Consumption

68 W

TSMC

Foundry

-

mm²

Die Size

285 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

128

Performance Cores

-

256

Performance Core Threads

-

2.4 GHz

Performance Core Base Frequency

1.8 GHz

3.7 GHz

Performance Core Turbo Frequency

0

128

Total Core Count

4

256

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

24.0

Multiplier

9.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

256 MB shared

L3 Cache

2 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR5-6000

Memory Types

DDR2-667

6 TB

Max Memory Size

-

12

Max Memory Channels

2

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9745

Official Website

-

5

PCIe Version

-

128

PCIe Lanes

-

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