CPU AMD LAPTOP
AMD Ryzen 9 5900HX

AMD Ryzen 9 5900HX

Codename: Zen 3 (Cezanne) Released: January 12, 2021
Total Cores
8
Physical Cores
Total Threads
16
Concurrent Threads
Boost Clock
4600 MHz
Max Turbo Frequency

Technical Highlights

Vendor : AMD
Socket : FP6
Manufacturing Process : 7 nm
TDP (PL1) : 35-54 W

About this CPU

Zen 3 (Cezanne) laptop CPU with 8 cores and 16 threads, featuring Radeon RX Vega 8 graphics for flagship gaming laptops.

Last updated: April 13, 2026

Overall Score Of AMD Ryzen 9 5900HX

This summarizes how AMD Ryzen 9 5900HX scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.

70
Overall
Single-Core Performance
68
Multi-Core Performance
62
CPU Architecture
57
Memory Architecture
52
Energy Efficiency
72

General Information of AMD Ryzen 9 5900HX

CPU Name

AMD Ryzen 9 5900HX

Vendor

AMD

Release Date

January 12, 2021

Type

Laptop

Instruction Set

x86-64

Codename

Zen 3 (Cezanne)

Package and Thermals of AMD Ryzen 9 5900HX

Manufacturing Process

7 nm

29% of the current best Manufacturing Process score

Max Temp (TJMax)

Top tier

105 C

95% of the current best Max Temp (TJMax) score

TDP (PL1)

35-54 W

Socket

FP6

CPU Cores of AMD Ryzen 9 5900HX

Performance Cores

P-Cores

8

33% of the current best P-Cores score

P-Threads

Good

16

50% of the current best P-Threads score

P-Core Base Frequency

Good

3300 MHz

70% of the current best P-Core Base Frequency score

P-Core Turbo Frequency

Good

4600 MHz

77% of the current best P-Core Turbo Frequency score

Total

Total Cores

8

25% of the current best Total Cores score

Total Threads

Good

16

50% 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

64 KB

33% of the current best L1 Cache score

L2 Cache

0.5 MB

1% of the current best L2 Cache score

L3 Cache

16 MB

8% of the current best L3 Cache score

NPU

No

Memory Support of AMD Ryzen 9 5900HX

Memory Types

Good

DDR4-3200, LPDDR4-4266

60% of the current best Memory Types score

Max Memory Size

64 GB

13% of the current best Max Memory Size score

Memory Channels

2

3% of the current best Memory Channels score

Max Memory Bandwidth

68.27 GB/s

8% of the current best Max Memory Bandwidth score

ECC Support

Yes

Technologies

BMI1, BMI2, F16C, SHA, Precision Boost 2, SMT, AMD-V, EVP, SMAP, SMEP

Benchmarks of AMD Ryzen 9 5900HX

Geekbench V6

Benchmark results for this category.

Multi-Core:
8,506
26% of max score
Single-Core:
2,027
47% of max score
File Compression:
735
27% of max score
Clang Compression:
69
22% of max score
HTML5 Browser:
146
18% of max score
PDF Renderer:
257
33% of max score
Text Processing:
206
46% of max score
Background Blur:
40
34% of max score
Photo Processing:
61
26% of max score
Ray Tracing:
17
27% of max score

PassMark CPU

Benchmark results for this category.

Multi-Core:
22,094
30% of max score
Single-Core:
3,159 MOps/Sec
54% of max score
Integer Math:
85,600 MOps/Sec
35% of max score
Floating Point:
47,100 MOps/Sec
21% of max score
Prime Numbers:
52 Million Primes/Sec
5% of max score
String Sorting:
29,800 Thousand Strings/Sec
24% of max score
Data Encryption:
18,000 MBytes/Sec
31% of max score
Data Compression:
285,200 KBytes/Sec
27% of max score
Physics:
899 Frames/Sec
10% of max score
Extended Instructions:
19,400 Million Matrices/Sec
26% of max score

Cinebench 2024

Benchmark results for this category.

Multi-Core:
694
22% of max score
Single-Core:
86
41% of max score

Blender

Benchmark results for this category.

Render Score:
177
24% of max score

Performance Charts Of AMD Ryzen 9 5900HX

These charts show how AMD Ryzen 9 5900HX balances CPU benchmark performance and relative score versus current market leaders.

Performance Radar Chart

Category scores overview (0 to 100)
AMD Ryzen 9 5900HX

Performance Benchmarks

Grey is the market top value. Colored bar is AMD Ryzen 9 5900HX.
Market Top
AMD Ryzen 9 5900HX

Try to Compare AMD Ryzen 9 5900HX With Another CPU

You can search and find another cpu to compare.

More CPUs You Might Like to See

If you are still deciding, these are great options to look at next.

Frequently Asked Questions about AMD Ryzen 9 5900HX

The AMD Ryzen 9 5900HX was officially released in January 12, 2021, targeting the Laptop market.

The AMD Ryzen 9 5900HX is equipped with 8 cores and 16 threads, providing an excellent balance for both high-end gaming and standard productivity tasks.

The AMD Ryzen 9 5900HX uses the FP6 socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.

The AMD Ryzen 9 5900HX operates at a base clock frequency of 3300 MHz for its performance cores. This is the speed the processor runs at under normal, non-intensive workloads.

The AMD Ryzen 9 5900HX can reach a maximum turbo boost frequency of 4600 MHz on its performance cores. This allows the CPU to dynamically increase its speed to handle demanding tasks and gaming workloads.

The AMD Ryzen 9 5900HX has a maximum junction temperature (TjMax) of 105 C. This is the maximum temperature possible before the processor initiates thermal throttling or shuts down to prevent permanent damage.

The AMD Ryzen 9 5900HX achieves a multi-core score of 694 on Cinebench 2024, reflecting its capability in multi-threaded creative and rendering applications.

The AMD Ryzen 9 5900HX scores 2,027 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 70%, the AMD Ryzen 9 5900HX is considered a high-performance processor in our comprehensive CPU database.

The AMD Ryzen 9 5900HX features 16 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 5900HX has a base power consumption (TDP) of 35-54 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.

The AMD Ryzen 9 5900HX supports DDR4-3200, LPDDR4-4266 memory, dictating the RAM speeds and capacities you can pair with this processor.

The AMD Ryzen 9 5900HX includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.