Intel Xeon Phi 3120A vs Intel Xeon D 1581

VS

Intel Xeon Phi 3120A

Intel Xeon D-1581

We compared two server CPUs: Intel Xeon Phi 3120A with 57 cores 1.1GHz and Intel Xeon D 1581 with 16 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon D 1581 's Advantages

Released 2 years and 8 months late

Higher base frequency (1.8GHz vs 1.1GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (65W vs 300W)

Score

Intel Xeon Phi 3120A

VS

Intel Xeon D 1581

General Parameters

Jun 2013

Release Date

Feb 2016

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Broadwell

PCIe x16

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon D (Broadwell-DE)

Package

5 billions

Transistor Count

3.2 billions

22 nm

Manufacturing Process

14 nm

300 W

Power Consumption

65 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

350 mm²

Die Size

246 mm²

CPU Performance

1.1 GHz

Performance Core Base Frequency

1.8 GHz

0

Performance Core Turbo Frequency

2.4 GHz

57

Total Core Count

16

228

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

11.0

Multiplier

18.0

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

-

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

24

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