AMD EPYC 9655P vs AMD EPYC 8434PN

VS

AMD EPYC 9655P

AMD EPYC 8434PN

We compared two server CPUs: AMD EPYC 9655P with 96 cores 2.6GHz and AMD EPYC 8434PN with 48 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9655P 's Advantages

Released 1 years and 1 months late

Higher specification of memory (6000 vs 4800)

Higher base frequency (2.6GHz vs 2GHz)

Larger L3 cache size (384MB vs 128MB)

More modern manufacturing process (4nm vs 5nm)

AMD EPYC 8434PN 's Advantages

Lower TDP (155W vs 400W)

Score

AMD EPYC 9655P

VS

AMD EPYC 8434PN

General Parameters

Oct 2024

Release Date

Sep 2023

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Siena

AMD Socket SP5

Socket

AMD Socket SP6

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC (Zen 4c (Siena))

Package

99.78 billions

Transistor Count

35.5 billions

4 nm

Manufacturing Process

5 nm

400 W

Power Consumption

155 W

-

Peak Operating Temperature

85 °C

TSMC

Foundry

TSMC

12x70.6 mm²

Die Size

4x73 mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

397 mm²

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.6 GHz

Performance Core Base Frequency

2 GHz

4.5 GHz

Performance Core Turbo Frequency

3 GHz

96

Total Core Count

48

192

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

26.0

Multiplier

20.0

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

384 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR5-4800

6 TB

Max Memory Size

-

12

Max Memory Channels

6

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9655P

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

96

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