Opteron A1120 vs AMD EPYC 9745

VS

AMD Opteron A1120

AMD EPYC 9745

We compared two server CPUs: Opteron A1120 with 4 cores 1.7GHz and AMD EPYC 9745 with 128 cores 2.4GHz . 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 400W)

AMD EPYC 9745 's Advantages

Released 8 years and 9 months late

Higher specification of memory (6000 vs 1866)

Newer PCIe version (5 vs 3)

Higher base frequency (2.4GHz vs 1.7GHz)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (3nm vs 28nm)

Score

Opteron A1120

VS

AMD EPYC 9745

General Parameters

Jan 2016

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Seattle

Core Architecture

Turin

AMD Socket SP1

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Opteron (Seattle)

Generation

EPYC(Zen 5c (Turin))

Package

-

Transistor Count

28 nm

Manufacturing Process

3 nm

25 W

Power Consumption

400 W

GlobalFoundries

Foundry

TSMC

182 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

128

-

Performance Core Threads

256

1.7 GHz

Performance Core Base Frequency

2.4 GHz

0

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

128

4

Total Thread Count

256

100 MHz

Bus Frequency

100 MHz

17.0

Multiplier

24.0

80 K per core

L1 Cache

80 KB per core

2 MB shared

L2 Cache

1 MB per core

8 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

2

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9745

3

PCIe Version

5

8

PCIe Lanes

128

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