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

Ryzen Threadripper PRO 9955WX

CORE STATE Shimada Peak

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 4.5 Base / 5.4 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 350W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,696

5,996

cinebench_cinebench_r15_singlecore

804

846

cinebench_cinebench_r20_multicore

23,736

24,987

cinebench_cinebench_r20_singlecore

3,350

3,527

cinebench_cinebench_r23_multicore

56,516

59,494

cinebench_cinebench_r23_singlecore

7,978

8,399

passmark_data_compression

1,412,835

890,743

passmark_data_encryption

97,254

48,476

passmark_extended_instructions

86,189

70,809

passmark_find_prime_numbers

298

340

passmark_floating_point_math

215,669

148,042

passmark_integer_math

385,290

246,111

passmark_multithread

66,490

69,993

passmark_physics

4,036

7,056

passmark_random_string_sorting

125,932

109,915

passmark_single_thread

2,448

4,561

passmark_singlethread

2,448

4,561

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 8434P

Threadripper PRO 9955WX

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.5

4.5 +80.0%

Boost Clock (GHz)

3.1

5.4 +74.2%

Frequency (GHz)

2.5

4.5 +80.0%

Turbo Clock (GHz)

3.1

5.4 +74.2%

Multiplier

25

45 +80.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

1 MB (per core)

1 MB (per core)

L3 Cache

128 MB (shared)

64 MB (shared)

Power

TDP (W)

200

350 +75.0%

Configurable TDP

155-225 W

—

Architecture

Architecture

Zen 4c

Zen 5

Codename

Siena

Shimada Peak

Generation

EPYC (Zen 4c (Siena))

Ryzen Threadripper (Zen 4 (Storm Peak))

Process Size

5 nm

4 nm

Transistors

35,500 million

16,630 million

Die Size

4x 73 mm²

2x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

DDR5

Memory Bus

Six-channel

Eight-channel

Memory Bandwidth

230.4 GB/s

409.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP6

AMD Socket sTR5

Chipsets

—

WRX90, TRX50, Pro 695

PCIe

Gen 5, 96 Lanes(CPU only)

Gen 5, 128 Lanes(CPU only)

AMD Multi-Die

IO Process Size

6 nm

6 nm

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

$2700

$1649

Part Number

100-000000877

100-000000725

Package

FC-LGA4844

FC-LGA4844

Tj Max

—

95°C

Bundled Cooler

None

None

View EPYC 8434P Details View Ryzen Threadripper PRO 9955WX Details