AMD EPYC 7742 vs Xeon X7542

VS

AMD EPYC 7742

Intel Xeon X7542

We compared two server CPUs: AMD EPYC 7742 with 64 cores 2.25GHz and Xeon X7542 with 6 cores 2.666GHz . 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 9 years and 5 months late

Higher specification of memory (3200 vs 1333)

Newer PCIe version (4 vs 2)

Larger L3 cache size (256MB vs 18MB)

More modern manufacturing process (7nm vs 45nm)

Xeon X7542 's Advantages

Higher base frequency (2.666GHz vs 2.25GHz)

Lower TDP (130W vs 225W)

Score

AMD EPYC 7742

VS

Xeon X7542

General Parameters

Aug 2019

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Rome

Core Architecture

Nehalem-EX

AMD Socket SP3

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

EPYC (Zen 2 (Rome))

Generation

Xeon(Beckton)

Package

3.8 billions

Transistor Count

2.3 billions

7 nm

Manufacturing Process

45 nm

225 W

Power Consumption

130 W

TSMC

Foundry

Intel

74 mm²

Die Size

684 mm²

CPU Performance

2.25 GHz

Performance Core Base Frequency

2.666 GHz

3.4 GHz

Performance Core Turbo Frequency

2.8 GHz

64

Total Core Count

6

128

Total Thread Count

6

100 MHz

Bus Frequency

133 MHz

22.5

Multiplier

20.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR4-3200

Memory Types

DDR3-1333

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

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