AMD EPYC 7643P vs Intel Xeon Gold 6542Y

VS

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Intel Xeon Gold 6542Y with 24 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643P 's Advantages

Larger L3 cache size (256MB vs 60MB)

Lower TDP (225W vs 250W)

Intel Xeon Gold 6542Y 's Advantages

Higher specification of memory (DDR5-5200 vs DDR4-3200)

Newer PCIe version (5 vs 4)

Higher base frequency (2.9GHz vs 2.3GHz)

Score

AMD EPYC 7643P

VS

Intel Xeon Gold 6542Y

General Parameters

Sep 2023

Release Date

Dec 2023

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Emerald Rapids

AMD Socket SP3

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon Gold (Emerald Rapids-SP)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

10 nm

AMD Socket SP3

Socket

Intel Socket 4677

225 W

Power Consumption

250 W

-

Peak Operating Temperature

83 °C

TSMC

Foundry

Intel

8x81 mm²

Die Size

2x763 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

FCLGA-4094

Package

FC-LGA16A

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.9 GHz

3.6 GHz

Performance Core Turbo Frequency

4.1 GHz

48

Total Core Count

24

96

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

29.0

64 KB per core

L1 Cache

80 KB per core

512 KB per core

L2 Cache

2 MB per core

256 MB shared

L3 Cache

60 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-5200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

80

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