Opteron X2 185 vs AMD EPYC 7251

VS

AMD Opteron X2 185

AMD EPYC 7251

We compared two server CPUs: Opteron X2 185 with 2 cores 2.6GHz 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

Opteron X2 185 's Advantages

Higher base frequency (2.6GHz vs 2.1GHz)

Lower TDP (110W vs 120W)

AMD EPYC 7251 's Advantages

Released 11 years and 3 months late

Higher specification of memory (2400 vs 400)

More modern manufacturing process (14nm vs 90nm)

Score

Opteron X2 185

VS

AMD EPYC 7251

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

120 W

-

Peak Operating Temperature

81 °C

-

Foundry

GlobalFoundries

199 mm²

Die Size

213 mm²

CPU Performance

2.6 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

200 MHz

Bus Frequency

100 MHz

13.0

Multiplier

21.0

128 KB

L1 Cache

96 K per core

1 MB

L2 Cache

512 K per core

-

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR1-400

Memory Types

DDR4-2400

2

Max Memory Channels

8

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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