Intel Xeon Phi 31S1P vs AMD EPYC 7251

VS

Intel Xeon Phi 31S1P

AMD EPYC 7251

We compared two server CPUs: Intel Xeon Phi 31S1P with 57 cores 1.1GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7251 's Advantages

Released 4 years late

Higher specification of memory (2400 vs 4)

Higher base frequency (2.1GHz vs 1.1GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (120W vs 270W)

Score

Intel Xeon Phi 31S1P

VS

AMD EPYC 7251

General Parameters

Jun 2013

Release Date

Jun 2017

PCIe

Manufacturer

AMD

Server

Type

Server

Knights Corner

Core Architecture

Naples

PCIe x16

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

EPYC (Zen (Naples))

Package

5 billions

Transistor Count

4.8 billions

22 nm

Manufacturing Process

14 nm

270 W

Power Consumption

120 W

-

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

350 mm²

Die Size

213 mm²

CPU Performance

1.1 GHz

Performance Core Base Frequency

2.1 GHz

0

Performance Core Turbo Frequency

2.9 GHz

57

Total Core Count

8

228

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

11.0

Multiplier

21.0

32 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

-

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-2400

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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