Opteron A1120 vs AMD Ryzen 9 PRO 7945

VS

AMD Opteron A1120

AMD Ryzen 9 PRO 7945

We compared two server CPUs: Opteron A1120 with 4 cores 1.7GHz 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

Opteron A1120 's Advantages

Lower TDP (25W vs 65W)

AMD Ryzen 9 PRO 7945 's Advantages

Released 7 years and 5 months late

Higher specification of memory (5200 vs 1866)

Newer PCIe version (5 vs 3)

Higher base frequency (3.7GHz vs 1.7GHz)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (5nm vs 28nm)

Score

Opteron A1120

VS

AMD Ryzen 9 PRO 7945

General Parameters

Jan 2016

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Seattle

Core Architecture

Raphael

AMD Socket SP1

Socket

AMD Socket AM5

N/A

Integrated Graphics

Radeon Graphics

Opteron (Seattle)

Generation

Ryzen 9 (Zen 4 (Raphael))

Package

-

Transistor Count

13.14 billions

28 nm

Manufacturing Process

5 nm

25 W

Power Consumption

65 W

-

Peak Operating Temperature

47 °C

GlobalFoundries

Foundry

TSMC

182 mm²

Die Size

2x71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

CPU Performance

1.7 GHz

Performance Core Base Frequency

3.7 GHz

0

Performance Core Turbo Frequency

5.4 GHz

4

Total Core Count

12

4

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

17.0

Multiplier

37.0

80 K per core

L1 Cache

64 KB per core

2 MB shared

L2 Cache

1 MB per core

8 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR5-5200

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

8

PCIe Lanes

24

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