AMD EPYC 7451 vs Opteron 1381

VS

AMD EPYC 7451

AMD Opteron 1381

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and Opteron 1381 with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Released 8 years late

Higher specification of memory (2666 vs 1333)

Newer PCIe version (3 vs 2)

Larger L3 cache size (64MB vs 6MB)

More modern manufacturing process (14nm vs 45nm)

Opteron 1381 's Advantages

Higher base frequency (2.5GHz vs 2.3GHz)

Lower TDP (115W vs 180W)

Score

AMD EPYC 7451

VS

Opteron 1381

General Parameters

Jun 2017

Release Date

Jun 2009

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Suzuka

AMD Socket SP3

Socket

AMD Socket AM3

N/A

Integrated Graphics

On certain motherboards (Chipset feature)

EPYC (Zen (Naples))

Generation

Opteron(Suzuka)

Package

4.8 billions

Transistor Count

0.758 billions

14 nm

Manufacturing Process

45 nm

180 W

Power Consumption

115 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

GlobalFoundries

213 mm²

Die Size

258 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.5 GHz

3.2 GHz

Performance Core Turbo Frequency

0

24

Total Core Count

4

48

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

23.0

Multiplier

12.5

96 K per core

L1 Cache

128 KB per core

512 K per core

L2 Cache

512 KB per core

64 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR3-1333

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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