AMD EPYC 8434P vs AMD EPYC 7251

VS

AMD EPYC 8434P

AMD EPYC 7251

We compared two server CPUs: AMD EPYC 8434P with 48 cores 2.5GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 8434P 's Advantages

Released 6 years and 3 months late

Higher specification of memory (4800 vs 2400)

Newer PCIe version (5 vs 3)

Higher base frequency (2.5GHz vs 2.1GHz)

Larger L3 cache size (128MB vs 32MB)

More modern manufacturing process (5nm vs 14nm)

AMD EPYC 7251 's Advantages

Lower TDP (120W vs 200W)

Score

AMD EPYC 8434P

VS

AMD EPYC 7251

General Parameters

Sep 2023

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Siena

Core Architecture

Naples

AMD Socket SP6

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Siena))

Generation

EPYC (Zen (Naples))

Package

35.5 billions

Transistor Count

4.8 billions

5 nm

Manufacturing Process

14 nm

200 W

Power Consumption

120 W

75 °C

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

4x73 mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.1 GHz

3.1 GHz

Performance Core Turbo Frequency

2.9 GHz

48

Total Core Count

8

96

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

21.0

64 K per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

128 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-2400

6

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

96

PCIe Lanes

-

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