AMD EPYC 7643 vs AMD EPYC 4484PX

VS

AMD EPYC 7643

AMD EPYC 4484PX

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and AMD EPYC 4484PX with 12 cores 4.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Larger L3 cache size (256MB vs 128MB)

AMD EPYC 4484PX 's Advantages

Released 3 years and 2 months late

Higher specification of memory (5200 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (4.4GHz vs 2.3GHz)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (120W vs 225W)

Score

AMD EPYC 7643

VS

AMD EPYC 4484PX

General Parameters

Mar 2021

Release Date

May 2024

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Raphael

AMD Socket SP3

Socket

AMD Socket AM5

N/A

Integrated Graphics

Radeon Graphics

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen 4 (Raphael))

Package

33.2 billions

Transistor Count

17.84 billions

7 nm

Manufacturing Process

5 nm

225 W

Power Consumption

120 W

-

Peak Operating Temperature

47 °C

TSMC

Foundry

TSMC

8x81 mm²

Die Size

2x71 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

122 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

4.4 GHz

3.6 GHz

Performance Core Turbo Frequency

5.6 GHz

48

Total Core Count

12

96

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

44.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-5200

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

28

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