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CPU • AMD • LAPTOP
AMD Ryzen 9 9955HX

AMD Ryzen 9 9955HX

Codename: Zen 5 (Fire Range) Released: January 7, 2025
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Total Cores
16
Physical Cores
Total Threads
32
Concurrent Threads
Boost Clock
5400 MHz
Max Turbo Frequency

Technical Highlights

Vendor : AMD
Socket : FL1
Manufacturing Process : 4 nm
TDP (PL1) : 55-75 W

About this CPU

Zen 5 Fire Range laptop processor with 16 cores and 32 threads, featuring Radeon 610M graphics for flagship gaming and workstation laptops.

Last updated: April 09, 2026
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Overall Scores Performance Charts General Information Package and Thermals CPU Cores Memory Support Benchmarks FAQ

Overall Score Of AMD Ryzen 9 9955HX

This summarizes how AMD Ryzen 9 9955HX scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.

82
Overall
Single-Core Performance Domain
82
Multi-Core Performance Domain
83
CPU Architecture Domain
64
Memory Architecture Domain
62
Energy Efficiency Domain
87

Performance Charts Of AMD Ryzen 9 9955HX

These charts show how AMD Ryzen 9 9955HX balances CPU benchmark performance and relative score versus current market leaders.

Performance Radar Chart

Category scores overview (0 to 100)
AMD Ryzen 9 9955HX

Performance Benchmarks

Grey is the market top value. Colored bar is AMD Ryzen 9 9955HX.
Market Top
AMD Ryzen 9 9955HX

General Information of AMD Ryzen 9 9955HX

CPU Name

AMD Ryzen 9 9955HX

Vendor

AMD

Release Date

January 7, 2025

Type

Laptop

Instruction Set

x86-64

Codename

Zen 5 (Fire Range)

Package and Thermals of AMD Ryzen 9 9955HX

Manufacturing Process

4 nm

50% of the current best Manufacturing Process score

TDP (PL1)

55-75 W

Max. Boost TDP (PL2)

101 W

Socket

FL1

Max Temp (TJMax)

Top tier

100 C

91% of the current best Max Temp (TJMax) score

CPU Cores of AMD Ryzen 9 9955HX

Performance Cores

P-Cores

Good

16

67% of the current best P-Cores score

P-Threads

Top tier

32

100% of the current best P-Threads score

P-Core Base Frequency

2500 MHz

53% of the current best P-Core Base Frequency score

P-Core Turbo Frequency

Excellent

5400 MHz

90% of the current best P-Core Turbo Frequency score

Total

Total Cores

Good

16

50% of the current best Total Cores score

Total Threads

Top tier

32

100% of the current best Total Threads score

Multiplier

Unlocked

Bus Frequency

Top tier

100 MHz

100% of the current best Bus Frequency score

Unlocked Multiplier

Yes

L1 Cache

80 KB

42% of the current best L1 Cache score

L2 Cache

1 MB

2% of the current best L2 Cache score

L3 Cache

64 MB

33% of the current best L3 Cache score

NPU

No

Memory Support of AMD Ryzen 9 9955HX

Memory Types

Top tier

DDR5-5600

90% of the current best Memory Types score

Max Memory Size

Good

96 GB

19% of the current best Max Memory Size score

Memory Channels

2

3% of the current best Memory Channels score

ECC Support

Yes

Technologies

AMD EXPO, AVX-512, BMI1, BMI2, F16C, SHA, Precision Boost 2, Precision Boost OD, SMT, AMD-V, EVP, SMAP, SMEP

Benchmarks of AMD Ryzen 9 9955HX

Geekbench V6

Benchmark results for this category.

Multi-Core:
19,448 (34th)
59% of max
Single-Core:
3,273 (22nd)
76% of max
Excellent
File Compression:
1,520
57% of max
Clang Compression:
222
70% of max
Good
HTML5 Browser:
329
40% of max
PDF Renderer:
545
71% of max
Good
Text Processing:
341
76% of max
Excellent
Background Blur:
70
60% of max
Good
Photo Processing:
123
51% of max
Ray Tracing:
54
87% of max
Excellent

PassMark CPU

Benchmark results for this category.

CPU Mark:
55,805 (19th)
77% of max
Excellent
Single-Core:
4,384
74% of max
Good
Integer Math:
211,400
87% of max
Excellent
Floating Point:
135,500
60% of max
Good
Prime Numbers:
290
27% of max
String Sorting:
77,000
63% of max
Good
Data Encryption:
37,000
63% of max
Good
Data Compression:
723,200
67% of max
Good
Physics:
2,739
31% of max
Extended Instructions:
57,000
78% of max
Excellent

Cinebench 2024

Benchmark results for this category.

Multi-Core:
2,091 (11th)
67% of max
Good
Single-Core:
134
64% of max
Good

Blender

Benchmark results for this category.

Render Score:
539 (8th)
75% of max
Excellent

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Frequently Asked Questions about AMD Ryzen 9 9955HX

The AMD Ryzen 9 9955HX was officially released in January 2025, targeting the Laptop market.

The AMD Ryzen 9 9955HX is equipped with 16 cores and 32 threads, making it a powerhouse for heavily threaded professional workloads like video editing and 3D rendering.

The AMD Ryzen 9 9955HX uses the FL1 socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.

The AMD Ryzen 9 9955HX achieves a multi-core score of 2,091 on Cinebench 2024, reflecting its capability in multi-threaded creative and rendering applications.

The AMD Ryzen 9 9955HX scores 3,273 on the Geekbench v6 single-core test, indicating how snappy and responsive it will feel in everyday applications and most games.

With an overall performance rating of 82%, the AMD Ryzen 9 9955HX is considered a high-performance processor in our comprehensive CPU database.

The AMD Ryzen 9 9955HX features 64 MB of L3 cache. A larger cache helps the processor access frequently used data faster, which can significantly boost gaming performance.

The AMD Ryzen 9 9955HX has a base power consumption (TDP) of 55-75 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.

The AMD Ryzen 9 9955HX supports DDR5-5600 memory, dictating the RAM speeds and capacities you can pair with this processor.

The AMD Ryzen 9 9955HX includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.