AMD EPYC 7251 vs Opteron 8346 HE (B3)

VS

AMD EPYC 7251

AMD Opteron 8346 HE (B3)

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Opteron 8346 HE (B3) with 4 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7251 's Advantages

Released 9 years and 1 months late

Higher specification of memory (2400 vs 667)

Higher base frequency (2.1GHz vs 1.8GHz)

Larger L3 cache size (32MB vs 2MB)

More modern manufacturing process (14nm vs 65nm)

Opteron 8346 HE (B3) 's Advantages

Lower TDP (68W vs 120W)

Score

AMD EPYC 7251

VS

Opteron 8346 HE (B3)

General Parameters

Jun 2017

Release Date

May 2008

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Barcelona

AMD Socket SP3

Socket

AMD Socket Fr2

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Opteron(Barcelona)

Package

4.8 billions

Transistor Count

0.463 billions

14 nm

Manufacturing Process

65 nm

120 W

Power Consumption

68 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

-

213 mm²

Die Size

285 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.8 GHz

2.9 GHz

Performance Core Turbo Frequency

0

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

21.0

Multiplier

9.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

32 MB shared

L3 Cache

2 MB shared

Yes

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR4-2400

Memory Types

DDR2-667

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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