Opteron 6276 vs AMD EPYC 9455

VS

AMD Opteron 6276

AMD EPYC 9455

We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz 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 6276 's Advantages

Lower TDP (115W vs 300W)

AMD EPYC 9455 '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 (3.15GHz vs 2.3GHz)

Larger L3 cache size (192MB vs 8MB)

More modern manufacturing process (4nm vs 32nm)

Score

Opteron 6276

VS

AMD EPYC 9455

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

49.89 billions

32 nm

Manufacturing Process

4 nm

115 W

Power Consumption

300 W

-

Foundry

TSMC

316 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

2.3 GHz

Performance Core Base Frequency

3.15 GHz

3.2 GHz

Performance Core Turbo Frequency

4.4 GHz

16

Total Core Count

48

16

Total Thread Count

96

200 MHz

Bus Frequency

100 MHz

11.5

Multiplier

31.5

768 K

L1 Cache

80 KB per core

16 MB

L2 Cache

1 MB per core

8 MB per die

L3 Cache

192 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 9455

2

PCIe Version

5

-

PCIe Lanes

128

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