Ryzen 9 PRO 7945 vs Opteron 43CX EE

VS

Ryzen 9 PRO 7945 Opteron 43CX EE

We compared two server CPUs: Ryzen 9 PRO 7945 with 12 cores 3.7GHz and Opteron 43CX EE with 4 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Ryzen 9 PRO 7945 's Advantages

Released 10 years and 6 months late

Higher specification of memory (DDR5-5200 vs DDR3)

Higher base frequency (3.7GHz vs 2.2GHz)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (5nm vs 32nm)

Opteron 43CX EE 's Advantages

Lower TDP (35W vs 65W)

Score

Ryzen 9 PRO 7945

VS

Opteron 43CX EE

General Parameters

Jun 2023

Release Date

Dec 2012

AMD

Manufacturer

AMD

Server

Type

Server

Raphael

Core Architecture

Seoul

AMD Socket AM5

Socket

AMD Socket C32

Radeon Graphics

Integrated Graphics

N/A

Ryzen 9 (Zen 4 (Raphael))

Generation

Opteron (Seoul)

Package

13.14 billions

Transistor Count

1.2 billions

5 nm

Manufacturing Process

32 nm

AMD Socket AM5

Socket

AMD Socket C32

65 W

Power Consumption

35 W

47 °C

Peak Operating Temperature

-

TSMC

Foundry

-

2x71 mm²

Die Size

315 mm²

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

FC-LGA1718

Package

-

CPU Performance

3.7 GHz

Performance Core Base Frequency

2.2 GHz

5.4 GHz

Performance Core Turbo Frequency

3 GHz

12

Total Core Count

4

24

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

37.0

Multiplier

11.0

64 KB per core

L1 Cache

192 K

1 MB per core

L2 Cache

4 MB

64 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR5-5200

Memory Types

DDR3

Yes

ECC Memory Support

No

Miscellaneous

5

PCIe Version

-

24

PCIe Lanes

-

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