Opteron X2 165 vs AMD EPYC 7251

VS

AMD Opteron X2 165

AMD EPYC 7251

We compared two server CPUs: Opteron X2 165 with 2 cores 1.8GHz 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 165 's Advantages

Lower TDP (110W vs 120W)

AMD EPYC 7251 's Advantages

Released 11 years and 10 months late

Higher specification of memory (2400 vs 400)

Higher base frequency (2.1GHz vs 1.8GHz)

More modern manufacturing process (14nm vs 90nm)

Score

Opteron X2 165

VS

AMD EPYC 7251

General Parameters

Aug 2005

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

65 °C

Peak Operating Temperature

81 °C

-

Foundry

GlobalFoundries

199 mm²

Die Size

213 mm²

CPU Performance

1.8 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

9.0

Multiplier

21.0

128 KB per core

L1 Cache

96 K per core

1 MB per core

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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