Intel Xeon Phi 7120A vs AMD EPYC 7451

VS

Intel Xeon Phi 7120A

AMD EPYC 7451

We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz and AMD EPYC 7451 with 24 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Released 3 years and 2 months late

Higher specification of memory (2666 vs 4)

Higher base frequency (2.3GHz vs 1.238GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (180W vs 300W)

Score

Intel Xeon Phi 7120A

VS

AMD EPYC 7451

General Parameters

Apr 2014

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

300 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

350 mm²

Die Size

213 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

2.3 GHz

1.333 GHz

Performance Core Turbo Frequency

3.2 GHz

61

Total Core Count

24

244

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

23.0

32 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

-

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-2666

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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