CPU Comparison

A

AMD

AMD

AMD EPYC 8434P

CORE STATE Siena

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.5 Base / 3.1 GHz Turbo

CACHE 128 MB (shared)

MAX TDP 200W

ARCHITECTURE Zen 4c

nm

PROCESS 5 nm

LAUNCH DATE 2023

VS

A

AMD

AMD

EPYC 9255

CORE STATE Turin

CORE SPECS 24 Cores / 48 Threads

CLOCK SPEED 3.25 Base / 4.8 GHz Turbo

CACHE 128 MB (shared)

MAX TDP 200W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,696

6,483

cinebench_cinebench_r15_singlecore

804

915

cinebench_cinebench_r20_multicore

23,736

27,013

cinebench_cinebench_r20_singlecore

3,350

3,813

cinebench_cinebench_r23_multicore

56,516

64,318

cinebench_cinebench_r23_singlecore

7,978

9,080

passmark_data_compression

1,412,835

N/A

passmark_data_encryption

97,254

N/A

passmark_extended_instructions

86,189

N/A

passmark_find_prime_numbers

298

N/A

passmark_floating_point_math

215,669

N/A

passmark_integer_math

385,290

N/A

passmark_multithread

66,490

N/A

passmark_physics

4,036

N/A

passmark_random_string_sorting

125,932

N/A

passmark_single_thread

2,448

N/A

passmark_singlethread

2,448

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 8434P

EPYC 9255

Core Specs

Cores

48

24 -50.0%

Threads

96

48 -50.0%

Base Clock (GHz)

2.5

3.25 +30.0%

Boost Clock (GHz)

3.1

4.8 +54.8%

Frequency (GHz)

2.5

3.25 +30.0%

Turbo Clock (GHz)

3.1

4.8 +54.8%

Multiplier

25

32.5 +30.0%

SMP CPUs

1

2 +100.0%

Cache

L1 Cache

64 KB (per core)

80 KB (per core)

L2 Cache

1 MB (per core)

1 MB (per core)

L3 Cache

128 MB (shared)

128 MB (shared)

Power

TDP (W)

200

200 0.0%

Configurable TDP

155-225 W

200-240 W

Architecture

Architecture

Zen 4c

Zen 5

Codename

Siena

Turin

Generation

EPYC (Zen 4c (Siena))

EPYC (Zen 5 (Turin))

Process Size

5 nm

4 nm

Transistors

35,500 million

33,260 million

Die Size

4x 73 mm²

4x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Six-channel

Twelve-channel

Memory Bandwidth

230.4 GB/s

576.0 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP6

AMD Socket SP5

PCIe

Gen 5, 96 Lanes(CPU only)

Gen 5, 128 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

6 nm

Interconnect

CXL

—

Gen 2.0

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$2700

$2495

Part Number

100-000000877

100-000000694

Package

FC-LGA4844

FC-LGA6096

Bundled Cooler

None

—

View EPYC 8434P Details View EPYC 9255 Details