AMD EPYC 7742 vs Intel Xeon Phi 3120A

VS

AMD EPYC 7742

Intel Xeon Phi 3120A

We compared two server CPUs: AMD EPYC 7742 with 64 cores 2.25GHz and Intel Xeon Phi 3120A with 57 cores 1.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7742 's Advantages

Released 6 years and 2 months late

Higher specification of memory (3200 vs 4)

Higher base frequency (2.25GHz vs 1.1GHz)

More modern manufacturing process (7nm vs 22nm)

Lower TDP (225W vs 300W)

Score

AMD EPYC 7742

VS

Intel Xeon Phi 3120A

General Parameters

Aug 2019

Release Date

Jun 2013

AMD

Manufacturer

PCIe

Server

Type

Server

Rome

Core Architecture

Knights Corner

AMD Socket SP3

Socket

PCIe x16

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

Xeon Phi (Knights Corner)

Package

3.8 billions

Transistor Count

5 billions

7 nm

Manufacturing Process

22 nm

225 W

Power Consumption

300 W

TSMC

Foundry

Intel

74 mm²

Die Size

350 mm²

CPU Performance

2.25 GHz

Performance Core Base Frequency

1.1 GHz

3.4 GHz

Performance Core Turbo Frequency

0

64

Total Core Count

57

128

Total Thread Count

228

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

11.0

96 K per core

L1 Cache

32 K per core

512 K per core

L2 Cache

512 K per core

256 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3,DDR4

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

-

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