Intel Xeon Phi 7235 vs AMD EPYC 7251

VS

Intel Xeon Phi 7235

AMD EPYC 7251

We compared two server CPUs: Intel Xeon Phi 7235 with 64 cores 1.3GHz 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

Intel Xeon Phi 7235 's Advantages

Released 6 months late

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)

Score

Intel Xeon Phi 7235

VS

AMD EPYC 7251

General Parameters

Dec 2017

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Knights Mill

Core Architecture

Naples

Intel Socket 3647

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Mill)

Generation

EPYC (Zen (Naples))

Package

8 billions

Transistor Count

4.8 billions

14 nm

Manufacturing Process

14 nm

250 W

Power Consumption

120 W

-

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

-

Die Size

213 mm²

CPU Performance

1.3 GHz

Performance Core Base Frequency

2.1 GHz

1.4 GHz

Performance Core Turbo Frequency

2.9 GHz

64

Total Core Count

8

256

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

13.0

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

DDR4

Memory Types

DDR4-2400

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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