Intel Xeon D 1581 vs AMD EPYC 7643P

VS

Intel Xeon D-1581

AMD EPYC 7643P

We compared two server CPUs: Intel Xeon D 1581 with 16 cores 1.8GHz and AMD EPYC 7643P with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon D 1581 's Advantages

Lower TDP (65W vs 225W)

AMD EPYC 7643P 's Advantages

Released 7 years and 7 months late

Higher specification of memory (3200 vs 4)

Newer PCIe version (4 vs 3)

Higher base frequency (2.3GHz vs 1.8GHz)

Larger L3 cache size (256MB vs 1.5MB)

More modern manufacturing process (7nm vs 14nm)

Score

Intel Xeon D 1581

VS

AMD EPYC 7643P

General Parameters

Feb 2016

Release Date

Sep 2023

Intel

Manufacturer

AMD

Server

Type

Server

Broadwell

Core Architecture

Milan

Intel BGA 1667

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

EPYC (Zen 3 (Milan))

Package

3.2 billions

Transistor Count

33.2 billions

14 nm

Manufacturing Process

7 nm

65 W

Power Consumption

225 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

TSMC

246 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.3 GHz

2.4 GHz

Performance Core Turbo Frequency

3.6 GHz

16

Total Core Count

48

32

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

1.5 MB per core

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

24

PCIe Lanes

128

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