AMD EPYC 7443 vs AMD Ryzen 9 PRO 7945

VS

AMD EPYC 7443

AMD Ryzen 9 PRO 7945

We compared two server CPUs: AMD EPYC 7443 with 24 cores 2.85GHz and AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7443 's Advantages

Larger L3 cache size (128MB vs 64MB)

AMD Ryzen 9 PRO 7945 's Advantages

Released 2 years and 3 months late

Higher specification of memory (5200 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.7GHz vs 2.85GHz)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (65W vs 200W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7443

1889

AMD Ryzen 9 PRO 7945 +53%

2892

Geekbench 6 Multi Core

AMD EPYC 7443

3458

AMD Ryzen 9 PRO 7945 +319%

14516

AMD EPYC 7443

VS

AMD Ryzen 9 PRO 7945

General Parameters

Mar 2021

Release Date

Jun 2023

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

Ryzen 9 (Zen 4 (Raphael))

Package

16.6 billions

Transistor Count

13.14 billions

7 nm

Manufacturing Process

5 nm

200 W

Power Consumption

65 W

-

Peak Operating Temperature

47 °C

TSMC

Foundry

TSMC

4x81 mm²

Die Size

2x71 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

122 mm²

CPU Performance

2.85 GHz

Performance Core Base Frequency

3.7 GHz

4 GHz

Performance Core Turbo Frequency

5.4 GHz

24

Total Core Count

12

48

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

28.5

Multiplier

37.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

64 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

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

24

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