Opteron 1381 vs Intel Xeon Phi 7120A

VS

AMD Opteron 1381

Intel Xeon Phi 7120A

We compared two server CPUs: Opteron 1381 with 4 cores 2.5GHz and Intel Xeon Phi 7120A with 61 cores 1.238GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 1381 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2.5GHz vs 1.238GHz)

Lower TDP (115W vs 300W)

Intel Xeon Phi 7120A 's Advantages

Released 4 years and 10 months late

More modern manufacturing process (22nm vs 45nm)

Score

Opteron 1381

VS

Intel Xeon Phi 7120A

General Parameters

Jun 2009

Release Date

Apr 2014

AMD

Manufacturer

PCIe

Server

Type

Server

Suzuka

Core Architecture

Knights Corner

AMD Socket AM3

Socket

PCIe x16

On certain motherboards (Chipset feature)

Integrated Graphics

N/A

Opteron(Suzuka)

Generation

Xeon Phi (Knights Corner)

Package

0.758 billions

Transistor Count

5 billions

45 nm

Manufacturing Process

22 nm

115 W

Power Consumption

300 W

GlobalFoundries

Foundry

Intel

258 mm²

Die Size

350 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

1.238 GHz

0

Performance Core Turbo Frequency

1.333 GHz

4

Total Core Count

61

4

Total Thread Count

244

200 MHz

Bus Frequency

100 MHz

12.5

Multiplier

12.0

128 KB per core

L1 Cache

32 K per core

512 KB per core

L2 Cache

512 K per core

6 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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