AMD EPYC 9455 vs AMD EPYC 7773X

VS

AMD EPYC 9455

AMD EPYC 7773X

We compared two server CPUs: AMD EPYC 9455 with 48 cores 3.15GHz and AMD EPYC 7773X with 64 cores 2.2GHz . 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 2 years and 7 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.15GHz vs 2.2GHz)

More modern manufacturing process (4nm vs 7nm)

AMD EPYC 7773X 's Advantages

Larger L3 cache size (768MB vs 192MB)

Lower TDP (280W vs 300W)

Score

AMD EPYC 9455

VS

AMD EPYC 7773X

General Parameters

Oct 2024

Release Date

Mar 2022

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Milan-X

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC (Zen 3 (Milan))

Package

49.89 billions

Transistor Count

33.2 billions

4 nm

Manufacturing Process

7 nm

300 W

Power Consumption

280 W

TSMC

Foundry

TSMC

6x70.6 mm²

Die Size

8x81 mm²

6 nm

I/O Process Size

12 nm

mm²

I/O Die Size

416 mm²

CPU Performance

48

Performance Cores

-

96

Performance Core Threads

-

3.15 GHz

Performance Core Base Frequency

2.2 GHz

4.4 GHz

Performance Core Turbo Frequency

3.5 GHz

48

Total Core Count

64

96

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

31.5

Multiplier

22.0

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

192 MB shared

L3 Cache

768 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-3200

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9455

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

128

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