AMD EPYC Embedded 3251 vs AMD EPYC 7742

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AMD EPYC Embedded 3251

AMD EPYC 7742

We compared two server CPUs: AMD EPYC Embedded 3251 with 8 cores 2.5GHz and AMD EPYC 7742 with 64 cores 2.25GHz . 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

Higher base frequency (2.5GHz vs 2.25GHz)

Lower TDP (55W vs 225W)

AMD EPYC 7742 's Advantages

Released 1 years and 6 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 16MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC Embedded 3251 +115%

870

AMD EPYC 7742

404

Geekbench 6 Multi Core

AMD EPYC Embedded 3251 +2805%

4939

AMD EPYC 7742

170

AMD EPYC Embedded 3251

VS

AMD EPYC 7742

General Parameters

Feb 2018

Release Date

Aug 2019

AMD

Manufacturer

AMD

Server

Type

Server

Zen

Core Architecture

Rome

AMD BGA SP4r2

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC Embedded (Zen (Snowy Owl))

Generation

EPYC (Zen 2 (Rome))

Package

4.8 billions

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

55 W

Power Consumption

225 W

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

74 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.25 GHz

3.1 GHz

Performance Core Turbo Frequency

3.4 GHz

8

Total Core Count

64

16

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

22.5

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

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

32

PCIe Lanes

-

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