EPYC 8434P vs Ryzen Threadripper PRO 9955WX

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Performance Comparison

About PassMark

Passmark Score

66490

Passmark Score

67561

Performance Difference

Ryzen Threadripper PRO 9955WX is 1.6% faster than EPYC 8434P

Benchmarks & Performance Comparison

In this CPU comparison, Ryzen Threadripper PRO 9955WX performs 1.6% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between EPYC 8434P and Ryzen Threadripper PRO 9955WX.

Both processors are popular choices for gaming PCs. Consider factors like core count, boost clock speeds, power consumption (TDP), and gaming vs productivity performance when choosing between these CPUs.

Technical Specifications

Detailed hardware specifications for EPYC 8434P and Ryzen Threadripper PRO 9955WX

EPYC 8434P

The EPYC 8434P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 48 cores and 96 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 66,490 points. Launch price was $2,700.

General Information

Type:server

Designer:AMD

Launch Price:$2,700

Manufacturer:TSMC

Release Date:18 September 2023 (2 years ago)

Architecture Codename:Siena (2023−2024)

Performance Ranking Position:99

Technical Specifications

Cores:48

Threads:96

Die Size:4x 73 mm2

L1 Cache:64 kB (per core)

L2 Cache:1 MB (per core)

L3 Cache:128 MB (total)

Max Frequency:3.1 GHz

64-Bit Support:+

Base Frequency:2.5 GHz

Transistor Count:35,500 million

Process Technology:5 nm

Max Case Temperature (TCase):75 °C

Compatibility

Socket:SP6

Power Consumption (TDP):200 Watt

Max Processors In Config:1

Memory

RAM Types:DDR5

Ryzen Threadripper PRO 9955WX

The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 67,561 points. Launch price was $1,649.