Pentium 1405 V2 vs AMD EPYC 7251

VS

Intel Pentium 1405 V2

AMD EPYC 7251

We compared two server CPUs: Pentium 1405 V2 with 2 cores 1.4GHz 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

Pentium 1405 V2 's Advantages

Lower TDP (40W vs 120W)

AMD EPYC 7251 's Advantages

Released 3 years and 5 months late

Higher specification of memory (2400 vs 1333)

Higher base frequency (2.1GHz vs 1.4GHz)

Larger L3 cache size (32MB vs 6MB)

More modern manufacturing process (14nm vs 22nm)

Score

Benchmark

Geekbench 5 Single Core

Pentium 1405 V2

300

AMD EPYC 7251 +79%

537

Geekbench 5 Multi Core

Pentium 1405 V2 +2%

552

AMD EPYC 7251

540

Pentium 1405 V2

VS

AMD EPYC 7251

General Parameters

Jan 2014

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Ivy Bridge-EN

Core Architecture

Naples

Intel Socket 1356

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Pentium (Ivy Bridge)

Generation

EPYC (Zen (Naples))

Package

1.008 billions

Transistor Count

4.8 billions

22 nm

Manufacturing Process

14 nm

40 W

Power Consumption

120 W

80 °C

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

133 mm²

Die Size

213 mm²

CPU Performance

1.4 GHz

Performance Core Base Frequency

2.1 GHz

0

Performance Core Turbo Frequency

2.9 GHz

2

Total Core Count

8

2

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

14.0

Multiplier

21.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

6 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR4-2400

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

24

PCIe Lanes

-

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