AMD EPYC 9455 vs Opteron 6276

VS

AMD EPYC 9455

AMD Opteron 6276

We compared two server CPUs: AMD EPYC 9455 with 48 cores 3.15GHz and Opteron 6276 with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

Opteron 6276 's Advantages

Lower TDP (115W vs 300W)

Score

AMD EPYC 9455

VS

Opteron 6276

General Parameters

Oct 2024

Release Date

Nov 2011

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Interlagos

AMD Socket SP5

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

Opteron (Interlagos)

Package

49.89 billions

Transistor Count

2.4 billions

4 nm

Manufacturing Process

32 nm

300 W

Power Consumption

115 W

TSMC

Foundry

-

6x70.6 mm²

Die Size

316 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

48

Performance Cores

-

96

Performance Core Threads

-

3.15 GHz

Performance Core Base Frequency

2.3 GHz

4.4 GHz

Performance Core Turbo Frequency

3.2 GHz

48

Total Core Count

16

96

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

31.5

Multiplier

11.5

80 KB per core

L1 Cache

768 K

1 MB per core

L2 Cache

16 MB

192 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR5-6000

Memory Types

DDR3

6 TB

Max Memory Size

-

12

Max Memory Channels

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

No

Miscellaneous

AMD EPYC 9455

Official Website

-

5

PCIe Version

2

128

PCIe Lanes

-

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