AMD EPYC 7251 vs AMD EPYC 7451

VS

AMD EPYC 7251 AMD EPYC 7451

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz 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 7251 's Advantages

Lower TDP (120W vs 180W)

AMD EPYC 7451 's Advantages

Higher specification of memory (DDR4-2666 vs DDR4-2400)

Higher base frequency (2.3GHz vs 2.1GHz)

Larger L3 cache size (64MB vs 32MB)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7251

781

AMD EPYC 7451 +12%

879

Geekbench 6 Multi Core

AMD EPYC 7251

3651

AMD EPYC 7451 +40%

5142

AMD EPYC 7251

VS

AMD EPYC 7451

General Parameters

Jun 2017

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Naples

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC (Zen (Naples))

Package

4.8 billions

Transistor Count

4.8 billions

14 nm

Manufacturing Process

14 nm

AMD Socket SP3

Socket

AMD Socket SP3

120 W

Power Consumption

180 W

81 °C

Peak Operating Temperature

81 °C

GlobalFoundries

Foundry

GlobalFoundries

213 mm²

Die Size

213 mm²

FCLGA-4094

Package

FCLGA-4094

CPU Performance

2.1 GHz

Performance Core Base Frequency

2.3 GHz

2.9 GHz

Performance Core Turbo Frequency

3.2 GHz

8

Total Core Count

24

16

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

23.0

96 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

32 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR4-2400

Memory Types

DDR4-2666

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

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