Ryzen 9 9955HX vs Ryzen 9 9900X

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

55711

Passmark Score

54530

Performance Difference

Ryzen 9 9955HX is 2.2% faster than Ryzen 9 9900X

Benchmarks & Performance Comparison

In this CPU comparison, Ryzen 9 9955HX performs 2.2% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between Ryzen 9 9955HX and Ryzen 9 9900X.

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 Ryzen 9 9955HX and Ryzen 9 9900X

Ryzen 9 9955HX

The Ryzen 9 9955HX is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 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: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points.

General Information

Type:Para notebooks

Series:AMD Dragon Range (Zen 4, Ryzen 7045)

Designer:AMD

Manufacturer:TSMC

Release Date:6 January 2025 (less than a year ago)

Architecture Codename:Fire Range-HX (Zen 5) (2025)

Performance Ranking Position:163

Technical Specifications

Cores:16

Threads:32

Die Size:2x 70.6 mm2

L1 Cache:80 kB (per core)

L2 Cache:1 MB (per core)

L3 Cache:64 MB (total)

Max Frequency:5.4 GHz

64-Bit Support:+

Base Frequency:2.5 GHz

Transistor Count:16,630 million

Process Technology:4 nm

Unlocked Multiplier:+

Compatibility

Socket:FL1

Power Consumption (TDP):55 Watt

Max Processors In Config:1

Memory

RAM Types:DDR5

Ryzen 9 9900X

The Ryzen 9 9900X is manufactured by AMD. It was released in 15 August 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 54,530 points. Launch price was $499.