Opteron A1120 vs AMD EPYC 9455

VS

AMD Opteron A1120

AMD EPYC 9455

We compared two server CPUs: Opteron A1120 with 4 cores 1.7GHz and AMD EPYC 9455 with 48 cores 3.15GHz . 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 300W)

AMD EPYC 9455 '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 (3.15GHz vs 1.7GHz)

Larger L3 cache size (192MB vs 8MB)

More modern manufacturing process (4nm vs 28nm)

Score

Opteron A1120

VS

AMD EPYC 9455

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 5 (Turin))

Package

-

Transistor Count

49.89 billions

28 nm

Manufacturing Process

4 nm

25 W

Power Consumption

300 W

GlobalFoundries

Foundry

TSMC

182 mm²

Die Size

6x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

48

-

Performance Core Threads

96

1.7 GHz

Performance Core Base Frequency

3.15 GHz

0

Performance Core Turbo Frequency

4.4 GHz

4

Total Core Count

48

4

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

17.0

Multiplier

31.5

80 K per core

L1 Cache

80 KB per core

2 MB shared

L2 Cache

1 MB per core

8 MB shared

L3 Cache

192 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 9455

3

PCIe Version

5

8

PCIe Lanes

128

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