Opteron X2 185 vs AMD EPYC 7451

VS

AMD Opteron X2 185

AMD EPYC 7451

We compared two server CPUs: Opteron X2 185 with 2 cores 2.6GHz and AMD EPYC 7451 with 24 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron X2 185 's Advantages

Higher base frequency (2.6GHz vs 2.3GHz)

Lower TDP (110W vs 180W)

AMD EPYC 7451 's Advantages

Released 11 years and 3 months late

Higher specification of memory (2666 vs 400)

More modern manufacturing process (14nm vs 90nm)

Score

Opteron X2 185

VS

AMD EPYC 7451

General Parameters

Mar 2006

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Denmark

Core Architecture

Naples

AMD Socket 939

Socket

AMD Socket SP3

On certain motherboards (Chipset feature)

Integrated Graphics

N/A

Opteron X2 (Denmark)

Generation

EPYC (Zen (Naples))

Package

0.233 billions

Transistor Count

4.8 billions

90 nm

Manufacturing Process

14 nm

110 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

-

Foundry

GlobalFoundries

199 mm²

Die Size

213 mm²

CPU Performance

2.6 GHz

Performance Core Base Frequency

2.3 GHz

0

Performance Core Turbo Frequency

3.2 GHz

2

Total Core Count

24

2

Total Thread Count

48

200 MHz

Bus Frequency

100 MHz

13.0

Multiplier

23.0

128 KB

L1 Cache

96 K per core

1 MB

L2 Cache

512 K per core

-

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR1-400

Memory Types

DDR4-2666

2

Max Memory Channels

8

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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