Opteron 4340 vs AMD EPYC 7451

VS

AMD Opteron 4340

AMD EPYC 7451

We compared two server CPUs: Opteron 4340 with 6 cores 3.5GHz and AMD EPYC 7451 with 24 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 4340 's Advantages

Higher base frequency (3.5GHz vs 2.3GHz)

Lower TDP (95W vs 180W)

AMD EPYC 7451 's Advantages

Released 4 years and 6 months late

Higher specification of memory (2666 vs 3)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (14nm vs 32nm)

Score

Opteron 4340

VS

AMD EPYC 7451

General Parameters

Dec 2012

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Seoul

Core Architecture

Naples

AMD Socket C32

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Opteron (Seoul)

Generation

EPYC (Zen (Naples))

Package

1.2 billions

Transistor Count

4.8 billions

32 nm

Manufacturing Process

14 nm

95 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

-

Foundry

GlobalFoundries

315 mm²

Die Size

213 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.3 GHz

3.8 GHz

Performance Core Turbo Frequency

3.2 GHz

6

Total Core Count

24

6

Total Thread Count

48

200 MHz

Bus Frequency

100 MHz

17.5

Multiplier

23.0

288 K

L1 Cache

96 K per core

6 MB

L2 Cache

512 K per core

8 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2666

Max Memory Channels

8

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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