AMD EPYC 7281 vs Intel Xeon Phi 7120A

VS

AMD EPYC 7281

Intel Xeon Phi 7120A

We compared two server CPUs: AMD EPYC 7281 with 16 cores 2.1GHz 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

AMD EPYC 7281 's Advantages

Released 3 years and 2 months late

Higher specification of memory (2666 vs 4)

Higher base frequency (2.1GHz vs 1.238GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (170W vs 300W)

Score

AMD EPYC 7281

VS

Intel Xeon Phi 7120A

General Parameters

Jun 2017

Release Date

Apr 2014

AMD

Manufacturer

PCIe

Server

Type

Server

Naples

Core Architecture

Knights Corner

AMD Socket SP3

Socket

PCIe x16

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon Phi (Knights Corner)

Package

4.8 billions

Transistor Count

5 billions

14 nm

Manufacturing Process

22 nm

170 W

Power Consumption

300 W

85 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

350 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.238 GHz

2.7 GHz

Performance Core Turbo Frequency

1.333 GHz

16

Total Core Count

61

32

Total Thread Count

244

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

12.0

96 K per core

L1 Cache

32 K per core

512 K per core

L2 Cache

512 K per core

32 MB shared

L3 Cache

-

Yes

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR3,DDR4

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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