AMD EPYC 7251 vs Intel Atom x7405C

VS

AMD EPYC 7251

Intel Atom x7405C

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Intel Atom x7405C with 4 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7251 's Advantages

Higher base frequency (2.1GHz vs 1.7GHz)

Larger L3 cache size (32MB vs 6MB)

Intel Atom x7405C 's Advantages

Released 6 years and 10 months late

Higher specification of memory (4800 vs 2400)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (12W vs 120W)

Score

AMD EPYC 7251

VS

Intel Atom x7405C

General Parameters

Jun 2017

Release Date

Apr 2024

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Amston Lake

AMD Socket SP3

Socket

Intel BGA 1264

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Atom (Gracemont)

Package

4.8 billions

Transistor Count

-

14 nm

Manufacturing Process

10 nm

120 W

Power Consumption

12 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

-

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.7 GHz

2.9 GHz

Performance Core Turbo Frequency

3.4 GHz

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

17.0

96 K per core

L1 Cache

96 KB per core

512 K per core

L2 Cache

2 MB shared

32 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2400

Memory Types

DDR4-3200, DDR5-4800

-

Max Memory Size

32 GB

8

Max Memory Channels

1

-

Max Memory Bandwidth

38.4 GB/s

Yes

ECC Memory Support

No

Miscellaneous

-

Official Website

Intel Atom x7405C

3

PCIe Version

3

-

PCIe Lanes

9

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