Intel Xeon Phi 3120A vs Opteron 8346 HE (B3)

VS

Intel Xeon Phi 3120A

AMD Opteron 8346 HE (B3)

We compared two server CPUs: Intel Xeon Phi 3120A with 57 cores 1.1GHz 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

Intel Xeon Phi 3120A 's Advantages

Released 5 years and 1 months late

More modern manufacturing process (22nm vs 65nm)

Opteron 8346 HE (B3) 's Advantages

Higher specification of memory (667 vs 4)

Higher base frequency (1.8GHz vs 1.1GHz)

Lower TDP (68W vs 300W)

Score

Intel Xeon Phi 3120A

VS

Opteron 8346 HE (B3)

General Parameters

Jun 2013

Release Date

May 2008

PCIe

Manufacturer

AMD

Server

Type

Server

Knights Corner

Core Architecture

Barcelona

PCIe x16

Socket

AMD Socket Fr2

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Opteron(Barcelona)

Package

5 billions

Transistor Count

0.463 billions

22 nm

Manufacturing Process

65 nm

300 W

Power Consumption

68 W

Intel

Foundry

-

350 mm²

Die Size

285 mm²

CPU Performance

1.1 GHz

Performance Core Base Frequency

1.8 GHz

0

Performance Core Turbo Frequency

0

57

Total Core Count

4

228

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

11.0

Multiplier

9.0

32 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

-

L3 Cache

2 MB shared

No

Unlocked Multiplier

No

1

SMP

8

Memory Parameters

DDR3,DDR4

Memory Types

DDR2-667

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

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