AMD EPYC 7251 vs AMD EPYC 7453

VS

AMD EPYC 7251 AMD EPYC 7453

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and AMD EPYC 7453 with 28 cores 2.75GHz . 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 225W)

AMD EPYC 7453 's Advantages

Released 3 years and 9 months late

Higher specification of memory (DDR4-3200 vs DDR4-2400)

Newer PCIe version (4 vs 3)

Higher base frequency (2.75GHz vs 2.1GHz)

Larger L3 cache size (64MB vs 32MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7251

781

AMD EPYC 7453 +54%

1208

Geekbench 6 Multi Core

AMD EPYC 7251

3651

AMD EPYC 7453 +29%

4739

AMD EPYC 7251

VS

AMD EPYC 7453

General Parameters

Jun 2017

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Milan

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC (Zen 3 (Milan))

Package

4.8 billions

Transistor Count

16.6 billions

14 nm

Manufacturing Process

7 nm

AMD Socket SP3

Socket

AMD Socket SP3

120 W

Power Consumption

225 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

4x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

FCLGA-4094

Package

FCLGA-4094

CPU Performance

2.1 GHz

Performance Core Base Frequency

2.75 GHz

2.9 GHz

Performance Core Turbo Frequency

3.45 GHz

8

Total Core Count

28

16

Total Thread Count

56

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

27.5

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

32 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

No

-

Cores per CCD

7

2

SMP

2

Memory Parameters

DDR4-2400

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

-

PCIe Lanes

128

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