AMD Ryzen 9 6900HX vs AMD Ryzen 9 5900HX

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CPU comparison with benchmarks


AMD Ryzen 9 6900HX CPU1 vs CPU2 AMD Ryzen 9 5900HX
AMD Ryzen 9 6900HX AMD Ryzen 9 5900HX

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 9 6900HX and the AMD Ryzen 9 5900HX and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 9 6900HX 8 core processor released in Q1/2022 with the AMD Ryzen 9 5900HX which has 8 CPU cores and was introduced in Q2/2021.
AMD Ryzen 9 (35) Family AMD Ryzen 9 (35)
AMD Ryzen 6000H/7035H (20) CPU group AMD Ryzen 5000H (11)
5 Generation 4
Rembrandt (Zen 3+) Architecture Cezanne (Zen 3)
Mobile Segment Mobile
AMD Ryzen 9 5900HX Predecessor --
-- Successor AMD Ryzen 9 6900HX

CPU Cores and Base Frequency

The AMD Ryzen 9 6900HX is a 8 core processor with a clock frequency of 3.30 GHz (4.90 GHz). The processor can compute 16 threads at the same time. The AMD Ryzen 9 5900HX clocks with 3.30 GHz (4.60 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

AMD Ryzen 9 6900HX Characteristic AMD Ryzen 9 5900HX
8 Cores 8
16 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.30 GHz Frequency 3.30 GHz
4.90 GHz Turbo Frequency (1 Core) 4.60 GHz
4.20 GHz Turbo Frequency (All Cores) 4.20 GHz

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 6900HX Characteristic AMD Ryzen 9 5900HX
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon 680M GPU AMD Radeon RX Vega 8 (Renoir)
2.00 GHz GPU frequency 0.40 GHz
2.40 GHz GPU (Turbo) 1.90 GHz
9 GPU Generation 9
6 nm Technology 7 nm
3 Max. displays 3
12 Compute units 8
768 Shader 512
Yes 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 680M 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
Decode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 6900HX, while the AMD Ryzen 9 5900HX supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD Ryzen 9 6900HX Characteristic AMD Ryzen 9 5900HX
LPDDR5-6400, DDR5-4800 Memory LPDDR4-4266, DDR4-3200
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 51.2 GB/s
No ECC No
4.00 MB L2 Cache 4.00 MB
16.00 MB L3 Cache 16.00 MB
4.0 PCIe version 3.0
12 PCIe lanes 12
23.6 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The AMD Ryzen 9 6900HX has a TDP of 45 W. The TDP of the AMD Ryzen 9 5900HX is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 9 6900HX Characteristic AMD Ryzen 9 5900HX
45 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
54 W TDP up 54 W
-- TDP down 35 W
95 °C Tjunction max. 105 °C

Technical details

The AMD Ryzen 9 6900HX has 20.00 MB cache and is manufactured in 6 nm. The cache of AMD Ryzen 9 5900HX is at 20.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 9 6900HX Characteristic AMD Ryzen 9 5900HX
6 nm Technology 7 nm
Monolithic 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
FP7 Socket FP6
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2022 Release date Q2/2021
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 9 6900HX to help other visitors make their purchasing decisions. The average rating is 4.3 stars (12 ratings). Rate now:
Here you can rate the AMD Ryzen 9 5900HX 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 4 CPU benchmarks
AMD Ryzen 9 6900HX (100%)
AMD Ryzen 9 5900HX (92%)
⌀ Multi core performance in 5 CPU benchmarks
AMD Ryzen 9 6900HX (100%)
AMD Ryzen 9 5900HX (87%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
1662 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
1478 (89%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
14670 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
13955 (95%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
1644 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
1510 (92%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
10609 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
8432 (79%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
2092 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
1992 (95%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
9938 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
7255 (73%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
642 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
578 (90%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
5711 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
5474 (96%)

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 6900HX AMD Ryzen 9 6900HX
AMD Radeon 680M @ 2.40 GHz
3686 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
AMD Radeon RX Vega 8 (Renoir) @ 1.90 GHz
1946 (53%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
24939 (100%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
22815 (91%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
0 (0%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
86 (100%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
0 (0%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.60 GHz
578 (100%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
0 (0%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
183 (100%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
0 (0%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
174 (100%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
0 (0%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 4.20 GHz
596 (100%)

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 6900HX AMD Ryzen 9 6900HX
8C 16T @ 3.30 GHz
0 (0%)
AMD Ryzen 9 5900HX AMD Ryzen 9 5900HX
8C 16T @ 3.30 GHz
5692 (100%)

Devices using this processor

AMD Ryzen 9 6900HX AMD Ryzen 9 5900HX
Unknown Unknown

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