Opteron 6276 vs AMD EPYC 9555

VS

AMD Opteron 6276

AMD EPYC 9555

We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz and AMD EPYC 9555 with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6276 's Advantages

Lower TDP (115W vs 360W)

AMD EPYC 9555 's Advantages

Released 12 years and 11 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (3.2GHz vs 2.3GHz)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (4nm vs 32nm)

Score

Opteron 6276

VS

AMD EPYC 9555

General Parameters

Nov 2011

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Interlagos

Core Architecture

Turin

AMD Socket G34

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

EPYC(Zen 5 (Turin))

Package

2.4 billions

Transistor Count

66.52 billions

32 nm

Manufacturing Process

4 nm

115 W

Power Consumption

360 W

-

Foundry

TSMC

316 mm²

Die Size

8x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

64

-

Performance Core Threads

128

2.3 GHz

Performance Core Base Frequency

3.2 GHz

Performance Core Turbo Frequency

4.4 GHz

16

Total Core Count

64

16

Total Thread Count

128

200 MHz

Bus Frequency

100 MHz

11.5

Multiplier

32.0

768 K

L1 Cache

80 KB per core

16 MB

L2 Cache

1 MB per core

8 MB per die

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

No

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9555

2

PCIe Version

5

-

PCIe Lanes

128

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