Opteron 8346 HE (B3) vs AMD EPYC 7742

VS

AMD Opteron 8346 HE (B3)

AMD EPYC 7742

We compared two server CPUs: Opteron 8346 HE (B3) with 4 cores 1.8GHz and AMD EPYC 7742 with 64 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 8346 HE (B3) 's Advantages

Lower TDP (68W vs 225W)

AMD EPYC 7742 's Advantages

Released 11 years and 3 months late

Higher specification of memory (3200 vs 667)

Higher base frequency (2.25GHz vs 1.8GHz)

Larger L3 cache size (256MB vs 2MB)

More modern manufacturing process (7nm vs 65nm)

Score

Opteron 8346 HE (B3)

VS

AMD EPYC 7742

General Parameters

May 2008

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Barcelona

Core Architecture

Rome

AMD Socket Fr2

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Opteron(Barcelona)

Generation

EPYC (Zen 2 (Rome))

Package

0.463 billions

Transistor Count

3.8 billions

65 nm

Manufacturing Process

7 nm

68 W

Power Consumption

225 W

-

Foundry

TSMC

285 mm²

Die Size

74 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.25 GHz

0

Performance Core Turbo Frequency

3.4 GHz

4

Total Core Count

64

4

Total Thread Count

128

200 MHz

Bus Frequency

100 MHz

9.0

Multiplier

22.5

64 KB per core

L1 Cache

96 K per core

512 KB per core

L2 Cache

512 K per core

2 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

8

SMP

2

Memory Parameters

DDR2-667

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

4

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