AMD EPYC 7251 vs Intel Xeon Phi 7120P

VS

AMD EPYC 7251 Intel Xeon Phi 7120P

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and Intel Xeon Phi 7120P 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 7251 's Advantages

Released 4 years late

Higher specification of memory (DDR4-2400 vs DDR4)

Higher base frequency (2.1GHz vs 1.238GHz)

Lower TDP (120W vs 300W)

Score

AMD EPYC 7251

VS

Intel Xeon Phi 7120P

General Parameters

Jun 2017

Release Date

Jun 2013

AMD

Manufacturer

Intel

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

AMD Socket SP3

Socket

PCIe x16

120 W

Power Consumption

300 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

350 mm²

FCLGA-4094

Package

PCIe x16

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.238 GHz

2.9 GHz

Performance Core Turbo Frequency

1.333 GHz

8

Total Core Count

61

16

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

DDR4-2400

Memory Types

DDR3,DDR4

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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