AMD Ryzen 9 5900HX vs AMD Ryzen 9 5900H

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CPU comparison with benchmarks


AMD Ryzen 9 5900HX CPU1 vs CPU2 AMD Ryzen 9 5900H
AMD Ryzen 9 5900HX AMD Ryzen 9 5900H

CPU comparison

AMD Ryzen 9 5900HX or AMD Ryzen 9 5900H - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen 9 5900HX has 8 cores with 16 threads and clocks with a maximum frequency of 4.60 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 5900HX was released in Q2/2021.

The AMD Ryzen 9 5900H has 8 cores with 16 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 9 5900H was released in Q2/2021.
AMD Ryzen 9 (34) Family AMD Ryzen 9 (34)
AMD Ryzen 5000H (11) CPU group AMD Ryzen 5000H (11)
4 Generation 4
Cezanne (Zen 3) Architecture Cezanne (Zen 3)
Mobile Segment Mobile
-- Predecessor --
AMD Ryzen 9 6900HX Successor --

CPU Cores and Base Frequency

The AMD Ryzen 9 5900HX has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 9 5900HX is 3.30 GHz (4.60 GHz) while the AMD Ryzen 9 5900H has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 5900H is at 3.10 GHz (4.60 GHz).

AMD Ryzen 9 5900HX Characteristic AMD Ryzen 9 5900H
8 Cores 8
16 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
3.30 GHz Frequency 3.10 GHz
4.60 GHz Turbo Frequency (1 Core) 4.60 GHz
4.20 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 9 5900HX Characteristic AMD Ryzen 9 5900H
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD Ryzen 9 5900HX or AMD Ryzen 9 5900H has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

AMD Radeon RX Vega 8 (Renoir) GPU AMD Radeon RX Vega 8 (Renoir)
0.40 GHz GPU frequency 0.40 GHz
1.90 GHz GPU (Turbo) 1.75 GHz
9 GPU Generation 9
7 nm Technology 7 nm
3 Max. displays 3
8 Compute units 8
512 Shader 512
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 8 GB
12 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

AMD Radeon RX Vega 8 (Renoir) GPU AMD Radeon RX Vega 8 (Renoir)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 9 5900HX can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD Ryzen 9 5900H supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

AMD Ryzen 9 5900HX Characteristic AMD Ryzen 9 5900H
LPDDR4-4266, DDR4-3200 Memory DDR4-3200
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
4.00 MB L2 Cache 4.00 MB
16.00 MB L3 Cache 16.00 MB
3.0 PCIe version 3.0
12 PCIe lanes 12
11.8 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 9 5900HX is 45 W, while the AMD Ryzen 9 5900H has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 9 5900HX Characteristic AMD Ryzen 9 5900H
45 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
54 W TDP up 54 W
35 W TDP down --
105 °C Tjunction max. 95 °C

Technical details

The AMD Ryzen 9 5900HX is manufactured in 7 nm and has 20.00 MB cache. The AMD Ryzen 9 5900H is manufactured in 7 nm and has a 20.00 MB cache.

AMD Ryzen 9 5900HX Characteristic AMD Ryzen 9 5900H
7 nm Technology 7 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP6 Socket AM4 (PGA 1331)
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2021 Release date Q2/2021
-- Release price --
show more data show more data


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Here you can rate the AMD Ryzen 9 5900H to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
1478 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 4.60 GHz
1478 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
13955 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
12892 (92%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
1510 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 4.60 GHz
1488 (99%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
8432 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
8449 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
578 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 4.60 GHz
578 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
5474 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
4998 (91%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
AMD Radeon RX Vega 8 (Renoir) @ 1.90 GHz
1946 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (92%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
22815 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
21400 (94%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
86 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 4.60 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
578 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 4.60 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
1992 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 4.60 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
7255 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
183 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
174 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
596 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 3.30 GHz
5692 (100%)
AMD Ryzen 9 5900H AMD Ryzen 9 5900H
8C 16T @ 3.10 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 5900HX AMD Ryzen 9 5900H
Unknown Unknown

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