AMD

AMD Ryzen 9 5900HX

AMD processor specifications and benchmark scores

8
Cores
16
Threads
4.6
GHz Boost
45W
TDP
🔓Unlocked 🖥️Integrated GPU

AMD Ryzen 9 5900HX Specifications

⚙️

Ryzen 9 5900HX Core Configuration

Processing cores and threading

The AMD Ryzen 9 5900HX features 8 physical cores and 16 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
8
Threads
16
SMP CPUs
1
⏱️

9 5900HX Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Ryzen 9 5900HX benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Ryzen 9 5900HX by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.3 GHz
Boost Clock
4.6 GHz
Multiplier
33x 🔓
💾

AMD's Ryzen 9 5900HX Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the 9 5900HX processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Ryzen 9 5900HX's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
512 KB (per core)
L3 Cache
16 MB (shared)
🏗️

Zen 3 Architecture & Process

Manufacturing and design details

The AMD Ryzen 9 5900HX is built on AMD's 7 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in 9 5900HX incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Zen 3
Codename
Cezanne
Process Node
7 nm
Foundry
TSMC
Transistors
10,700 million
Die Size
180 mm²
Generation
Ryzen 9 (Zen 3 (Cezanne))
🔢

Zen 3 Instruction Set Features

Supported CPU instructions and extensions

The Ryzen 9 5900HX by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
BMI1
BMI2
SHA
F16C
FMA3
AMD64
AMD-V
SMAP
SMEP
SMT
Precision Boost 2
XFR 2
🔌

9 5900HX Power & Thermal

TDP and power specifications

The AMD Ryzen 9 5900HX has a TDP (Thermal Design Power) of 45W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
45W
Tj Max
105°C
Configurable TDP
35-54 W
🔧

AMD Socket FP6 Platform & Socket

Compatibility information

The Ryzen 9 5900HX uses the AMD Socket FP6 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket FP6
PCIe
Gen 3
Package
FP6
DDR5

AMD Socket FP6 Memory Support

RAM compatibility and speeds

Memory support specifications for the 9 5900HX define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Ryzen 9 5900HX determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR4
Memory Bus
Dual-channel
Memory Bandwidth
68.3 GB/s
🖥️

AMD's Ryzen 9 5900HX Integrated Graphics

Built-in GPU specifications

The AMD Ryzen 9 5900HX includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the 9 5900HX provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Radeon Vega 8
Graphics Model
Radeon Vega 8
📦

Ryzen 9 5900HX Product Information

Release and pricing details

The AMD Ryzen 9 5900HX is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Ryzen 9 5900HX by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Jan 2021
Market
Mobile
Status
Active
Part Number
100-000000300

Ryzen 9 5900HX Benchmark Scores

3dmark_16_threadsSource

3DMark 16-thread tests AMD Ryzen 9 5900HX with heavily-threaded game workloads. This shows performance in games that fully utilize high-core-count CPUs for maximum parallelization.

3dmark_16_threads #102 of 166
6,490
40%
Max: 16,374
Compare with other CPUs

3dmark_2_threadsSource

3DMark 2-thread tests AMD Ryzen 9 5900HX performance with dual-threaded game workloads. This shows capability in games that use limited parallelization typical of older titles. Some game engines still primarily utilize only two threads for core logic.

3dmark_2_threads #108 of 166
1,720
67%
Max: 2,549
Compare with other CPUs

3dmark_4_threadsSource

3DMark 4-thread tests AMD Ryzen 9 5900HX with quad-threaded game workloads. This shows performance in games optimized for four cores, which represents many current titles.

3dmark_4_threads #102 of 166
3,285
66%
Max: 4,963
Compare with other CPUs

3dmark_8_threadsSource

3DMark 8-thread tests AMD Ryzen 9 5900HX with octa-threaded game workloads. This shows performance in well-optimized modern games that leverage eight threads effectively. AAA titles increasingly scale to eight or more threads.

3dmark_8_threads #90 of 166
5,406
58%
Max: 9,298

3dmark_max_threadsSource

3DMark max threads tests AMD Ryzen 9 5900HX using all available threads for game workloads. This shows the maximum parallel gaming performance capability of the processor. This reveals the ceiling of what games could achieve with perfect thread scaling.

3dmark_max_threads #107 of 166
6,487
35%
Max: 18,441
Compare with other CPUs

3dmark_single_threadSource

3DMark CPU single-thread tests how AMD Ryzen 9 5900HX handles game physics and AI calculations on one core. This is critical for games that rely on single-thread performance. Many games still bottleneck on single-core speed despite having multiple threads.

3dmark_single_thread #116 of 166
881
68%
Max: 1,293

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Ryzen 9 5900HX performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #439 of 1788
1,912
13%
Max: 14,978

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how AMD Ryzen 9 5900HX handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance.

cinebench_cinebench_r15_singlecore #438 of 1245
270
13%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Ryzen 9 5900HX.

cinebench_cinebench_r20_multicore #439 of 1788
7,970
13%
Max: 62,412

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Ryzen 9 5900HX.

cinebench_cinebench_r20_singlecore #438 of 1784
1,125
13%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Ryzen 9 5900HX after thermal limits kick in.

cinebench_cinebench_r23_multicore #439 of 1788
18,977
13%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Ryzen 9 5900HX maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #438 of 1788
2,679
13%
Max: 20,979

geekbench_multicoreSource

Geekbench multi-core tests AMD Ryzen 9 5900HX across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance.

geekbench_multicore #187 of 711
7,586
34%
Max: 22,515
Compare with other CPUs

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of AMD Ryzen 9 5900HX can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use.

geekbench_singlecore #148 of 711
1,845
54%
Max: 3,401
Compare with other CPUs

passmark_data_compressionSource

Data compression measures how fast AMD Ryzen 9 5900HX can compress and decompress files. This is important for archiving, backup software, and file transfer applications.

passmark_data_compression #278 of 528
287,793
5%
Max: 5,427,555
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
5,427,555
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast AMD Ryzen 9 5900HX can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher. Disk encryption, secure browsing, and VPN performance all benefit from faster encryption.

passmark_data_encryption #243 of 528
18,188
6%
Max: 316,606
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
316,606
#2 AMD EPYC 9845
296,808
#3 AMD EPYC 9755
284,927
#4 AMD EPYC 9754
231,891
#5 AMD EPYC 9745
229,447

passmark_extended_instructionsSource

Extended instructions tests AMD Ryzen 9 5900HX performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads.

passmark_extended_instructions #275 of 528
19,488
5%
Max: 392,159
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
392,159
#2 AMD EPYC 9845
314,798
#3 AMD EPYC 9755
303,321
#4 AMD EPYC 9745
280,477

passmark_find_prime_numbersSource

Find prime numbers tests AMD Ryzen 9 5900HX ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks. The test reveals raw mathematical processing capability.

passmark_find_prime_numbers #409 of 528
53
2%
Max: 2,422

passmark_floating_point_mathSource

Floating point math measures how AMD Ryzen 9 5900HX handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations.

passmark_floating_point_math #307 of 528
47,556
4%
Max: 1,141,430
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,141,430
#2 AMD EPYC 9845
978,377
#3 AMD EPYC 9755
922,900
#4 AMD EPYC 9745
761,219
#5 AMD EPYC 9655P
710,260

passmark_integer_mathSource

Integer math tests how fast AMD Ryzen 9 5900HX processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations. Higher scores benefit applications that work primarily with non-decimal numbers.

passmark_integer_math #251 of 528
86,735
5%
Max: 1,806,439
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,806,439
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests AMD Ryzen 9 5900HX across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability. Results can be compared against millions of submissions in the PassMark database.

passmark_multithread #304 of 528
22,326
13%
Max: 174,825
Compare with other CPUs

passmark_physicsSource

Physics tests how AMD Ryzen 9 5900HX handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements.

passmark_physics #395 of 528
909
3%
Max: 27,806

passmark_random_string_sortingSource

Random string sorting measures how fast AMD Ryzen 9 5900HX can organize text data. This is important for database operations, search indexing, and data processing applications.

passmark_random_string_sorting #307 of 528
30,042
5%
Max: 609,901
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
609,901
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
455,310

passmark_single_threadSource

PassMark single-thread measures per-core performance of AMD Ryzen 9 5900HX across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.

passmark_single_thread #353 of 528
3,178
62%
Max: 5,097
Compare with other CPUs

passmark_singlethreadSource

PassMark single-thread measures per-core performance of AMD Ryzen 9 5900HX across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use. Many legacy applications and games still depend heavily on single-thread speed.

passmark_singlethread #353 of 528
3,178
62%
Max: 5,097
Compare with other CPUs

About AMD Ryzen 9 5900HX

The AMD Ryzen 9 5900HX stands as a formidable mobile processor, leveraging the advanced Zen 3 microarchitecture to deliver exceptional performance within a 45-watt thermal design power envelope. With its 8 cores and 16 threads humming at a turbo frequency of up to 4.6 GHz, this chip is engineered to handle demanding multitasking and intensive workloads with remarkable efficiency. In real-world usage, users can expect blistering application responsiveness, seamless 4K video editing, and the ability to run modern AAA games while simultaneously streaming. The 7nm fabrication process contributes to its excellent performance-per-watt ratio, making it a popular choice for high-end gaming laptops and mobile workstations. Whether you're compiling code, rendering complex 3D models, or engaging in competitive esports, this processor provides a consistently smooth and powerful computing experience. Its performance is not just about raw speed but also about intelligent power management that adapts to your workload.

For creative professionals and power users, the Ryzen 9 5900HX chip excels as a mobile workstation engine, demonstrated by its strong benchmark results like a PassMark multithreaded score of over 22,000 points. The substantial 16MB of shared L3 cache and high floating-point math performance accelerate rendering tasks, scientific simulations, and data analysis applications significantly. This AMD powerhouse enables content creators to work with high-resolution media and complex visual effects without being tethered to a desktop system. The processor's robust integer math capabilities, as seen in its 86,735-point benchmark, also benefit software development, financial modeling, and database management. It effectively bridges the gap between desktop-level productivity and the convenience of a portable form factor. Professionals requiring serious computational muscle on the go will find this component to be a reliable and potent ally.

When evaluating cost-effectiveness, this AMD flagship mobile CPU often presents a compelling value proposition compared to contemporaneous competitors, offering a top-tier feature set at a relatively accessible price point. The integration of the Zen 3 core design delivers a substantial generational leap in instructions per clock, meaning users get more performance for their investment. System builders and OEMs can design thinner, cooler-running laptops without sacrificing peak performance, thanks to the efficient 7nm process and configurable TDP. For gamers and creators, this translates to premium performance without necessarily requiring the absolute highest budget. The longevity promised by its 8-core/16-thread design ensures the platform remains relevant for several years, protecting the user's investment. Choosing a laptop equipped with this processor is a decision that balances high-end capability with sensible long-term value.

Potential buyers should consider compatibility, as the FP6 socket design means this processor is soldered onto the motherboard and not user-upgradable, locking you into your initial laptop choice. It is crucial to pair the 5900HX with sufficiently fast dual-channel memory and a capable cooling solution to fully unleash its 4.6 GHz turbo potential; thermal throttling can undermine its performance in inadequately designed chassis. While the chip itself features integrated Radeon Graphics, discrete laptop GPUs from both AMD and NVIDIA are fully compatible, allowing for optimized configurations for gaming or GPU-accelerated workflows. The platform's support for PCIe 3.0 and modern connectivity standards ensures compatibility with the latest high-speed storage and peripherals. Ultimately, selecting a laptop built around this CPU requires attention to the complete system design to ensure no bottlenecks exist. When properly implemented, the AMD Ryzen 9 5900HX provides a robust and high-performance foundation for a premium mobile computing experience.

The Intel Equivalent of Ryzen 9 5900HX

Looking for a similar processor from Intel? The Intel Core i9-11900K offers comparable performance and features in the Intel lineup.

Intel Core i9-11900K

Intel • 8 Cores

View Specs Compare

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