AMD EPYC 7443 vs Intel Xeon Platinum 9221

VS

AMD EPYC 7443

Intel Xeon Platinum 9221

We compared two server CPUs: AMD EPYC 7443 with 24 cores 2.85GHz and Intel Xeon Platinum 9221 with 32 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7443 's Advantages

Released 1 years and 11 months late

Higher specification of memory (3200 vs 2933)

Newer PCIe version (4 vs 3)

Higher base frequency (2.85GHz vs 2.1GHz)

Larger L3 cache size (128MB vs 71.5MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (200W vs 250W)

Score

AMD EPYC 7443

VS

Intel Xeon Platinum 9221

General Parameters

Mar 2021

Release Date

Apr 2019

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Cascade Lake-AP

AMD Socket SP3

Socket

Intel BGA 5903

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon Platinum (Cascade Lake-AP)

Package

16.6 billions

Transistor Count

8 billions

7 nm

Manufacturing Process

14 nm

200 W

Power Consumption

250 W

TSMC

Foundry

Intel

4x81 mm²

Die Size

-

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.85 GHz

Performance Core Base Frequency

2.1 GHz

4 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

32

48

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

28.5

Multiplier

23.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

71.5 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

8

Memory Parameters

DDR4-3200

Memory Types

DDR4-2933

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

-

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