AMD EPYC Embedded 3251 vs AMD EPYC 7451

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AMD EPYC Embedded 3251

AMD EPYC 7451

We compared two server CPUs: AMD EPYC Embedded 3251 with 8 cores 2.5GHz 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

AMD EPYC Embedded 3251 's Advantages

Released 8 months late

Higher base frequency (2.5GHz vs 2.3GHz)

Lower TDP (55W vs 180W)

AMD EPYC 7451 's Advantages

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC Embedded 3251

870

AMD EPYC 7451 +1%

879

Geekbench 6 Multi Core

AMD EPYC Embedded 3251

4939

AMD EPYC 7451 +4%

5142

AMD EPYC Embedded 3251

VS

AMD EPYC 7451

General Parameters

Feb 2018

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Zen

Core Architecture

Naples

AMD BGA SP4r2

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC Embedded (Zen (Snowy Owl))

Generation

EPYC (Zen (Naples))

Package

4.8 billions

Transistor Count

4.8 billions

14 nm

Manufacturing Process

14 nm

55 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

GlobalFoundries

Foundry

GlobalFoundries

213 mm²

Die Size

213 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.3 GHz

3.1 GHz

Performance Core Turbo Frequency

3.2 GHz

8

Total Core Count

24

16

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

23.0

96 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

32

PCIe Lanes

-

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