AMD EPYC 7251 vs Intel Xeon Phi 7285

VS

AMD EPYC 7251

Intel Xeon Phi 7285

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Intel Xeon Phi 7285 with 68 cores 1.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7251 's Advantages

Higher specification of memory (2400 vs 4)

Higher base frequency (2.1GHz vs 1.3GHz)

Lower TDP (120W vs 250W)

Intel Xeon Phi 7285 's Advantages

Released 6 months late

Score

AMD EPYC 7251

VS

Intel Xeon Phi 7285

General Parameters

Jun 2017

Release Date

Dec 2017

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Knights Mill

AMD Socket SP3

Socket

Intel Socket 3647

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon Phi (Knights Mill)

Package

4.8 billions

Transistor Count

8 billions

14 nm

Manufacturing Process

14 nm

120 W

Power Consumption

250 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

-

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.3 GHz

2.9 GHz

Performance Core Turbo Frequency

1.4 GHz

8

Total Core Count

68

16

Total Thread Count

272

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

13.0

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

DDR4-2400

Memory Types

DDR4

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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