AMD Ryzen 9 5900HX vs Intel Core i9-12900KF

Last updated: 2023-11-18

CPU comparison with benchmarks


AMD Ryzen 9 5900HX		Intel Core i9-12900KF
CPU comparison AMD Ryzen 9 5900HX or Intel Core i9-12900KF - 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 Intel Core i9-12900KF has 16 cores with 24 threads and clocks with a maximum frequency of 5.20 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-12900KF was released in Q4/2021.

AMD Ryzen 9 (35)	Family	Intel Core i9 (78)
AMD Ryzen 5000H (11)	CPU group	Intel Core i 12000 (34)
4	Generation	12
Cezanne (Zen 3)	Architecture	Alder Lake S
Mobile	Segment	Desktop / Server
--	Predecessor	Intel Core i9-11900KF
AMD Ryzen 9 6900HX	Successor	Intel Core i9-13900KF

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 Intel Core i9-12900KF has 16 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the Intel Core i9-12900KF is at 3.20 GHz (5.20 GHz).
AMD Ryzen 9 5900HX	Characteristic	Intel Core i9-12900KF
8	Cores	16
16	Threads	24
normal	Core architecture	hybrid (big.LITTLE)
Yes	Hyperthreading	Yes
No	Overclocking ?	Yes
3.30 GHz (4.60 GHz)	A-Core	3.20 GHz (5.20 GHz) 8x Golden Cove
--	B-Core	2.40 GHz (3.90 GHz) 8x Gracemont
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	Intel Core i9-12900KF
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD Ryzen 9 5900HX or Intel Core i9-12900KF 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	no iGPU
0.40 GHz	GPU frequency	--
1.90 GHz	GPU (Turbo)	--
9	GPU Generation	--
7 nm	Technology
3	Max. displays
8	Compute units	--
512	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
8 GB	Max. GPU Memory	--
12	DirectX Version	--

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	no iGPU
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	No
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	No
No	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

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 Intel Core i9-12900KF supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s.
AMD Ryzen 9 5900HX	Characteristic	Intel Core i9-12900KF
LPDDR4-4266, DDR4-3200	Memory	DDR5-4800, DDR4-3200
64 GB	Max. Memory	128 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
51.2 GB/s	Max. Bandwidth	76.8 GB/s
No	ECC	No
4.00 MB	L2 Cache	14.00 MB
16.00 MB	L3 Cache	30.00 MB
3.0	PCIe version	5.0
12	PCIe lanes	20
11.8 GB/s	PCIe Bandwidth	78.8 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD Ryzen 9 5900HX is 45 W, while the Intel Core i9-12900KF has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Ryzen 9 5900HX	Characteristic	Intel Core i9-12900KF
45 W	TDP (PL1 / PBP)	125 W
--	TDP (PL2)	241 W
54 W	TDP up	--
35 W	TDP down	--
105 °C	Tjunction max.	100 °C
Technical details The AMD Ryzen 9 5900HX is manufactured in 7 nm and has 20.00 MB cache. The Intel Core i9-12900KF is manufactured in 10 nm and has a 44.00 MB cache.
AMD Ryzen 9 5900HX	Characteristic	Intel Core i9-12900KF
7 nm	Technology	10 nm
Chiplet	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3	ISA extensions	SSE4.1, SSE4.2, AVX2, AVX2+
FP6	Socket	LGA 1700
AMD-V, SVM	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Windows 11, Linux
Q2/2021	Release date	Q4/2021
--	Release price	564 $

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AMD Ryzen 9 5900HX 8C 16T @ 3.30 GHz (4.60 GHz) buy now on Amazon and save! Intel Core i9-12900KF 16C 24T @ 3.20 GHz (5.20 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 6 CPU benchmarks

AMD Ryzen 9 5900HX (74%)

Intel Core i9-12900KF (100%)

⌀ Multi core performance in 8 CPU benchmarks

AMD Ryzen 9 5900HX (49%)

Intel Core i9-12900KF (100%)

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 8C 16T @ 4.60 GHz	86 (69%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	124 (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 5900HX 8C 16T @ 4.60 GHz	578 (37%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	1564 (100%)

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 8C 16T @ 4.60 GHz	1478 (74%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	1997 (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 8C 16T @ 4.20 GHz	13955 (51%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	27472 (100%)

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 8C 16T @ 4.60 GHz	1510 (76%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	1990 (100%)

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 8C 16T @ 4.20 GHz	8432 (48%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	17595 (100%)

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 8C 16T @ 4.60 GHz	1992 (75%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	2664 (100%)

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 8C 16T @ 4.20 GHz	7255 (45%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	15986 (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 8C 16T @ 4.60 GHz	578 (74%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	779 (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 8C 16T @ 4.20 GHz	5474 (52%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	10511 (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 5900HX 8C 16T @ 4.20 GHz	183 (50%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	364 (100%)

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 8C 16T @ 4.20 GHz	22815 (55%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	41207 (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 5900HX 8C 16T @ 4.20 GHz	596 (73%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	819 (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 5900HX 8C 16T @ 3.30 GHz	5692 (50%)
	Intel Core i9-12900KF 16C 24T @ 3.20 GHz	11365 (100%)

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 Radeon RX Vega 8 (Renoir) @ 1.90 GHz	1946 (100%)
	Intel Core i9-12900KF @ 0.00 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 8C 16T @ 4.20 GHz	174 (100%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 8C 16T @ 4.60 GHz	0 (0%)
	Intel Core i9-12900KF 16C 24T @ 5.20 GHz	294 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 8C 16T @ 4.20 GHz	0 (0%)
	Intel Core i9-12900KF 16C 24T @ 5.00 GHz	4111 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.


	AMD Ryzen 9 5900HX 3.30 GHz	0 (0%)
	Intel Core i9-12900KF 27,472 CB R23 MC @ 240 W	114 (100%)

Devices using this processor
AMD Ryzen 9 5900HX	Intel Core i9-12900KF
Unknown	Unknown

News and articles for the AMD Ryzen 9 5900HX and the Intel Core i9-12900KF

Intel Core i9-13900 benchmark of engineering sample

Posted by Stefan on 2022-06-15

Intels 13th generation of the Intel Core i series (Raptor Lake) is about to be released and a lot of information is already known from the official side. This information includes e.g. the number of CPU cores, the expected increase in performance and the manufacturing technology of the new CPUs.

We compare the technical data of the Intel Core i9-13900 with its predecessor and look at benchmarks that have already been published.

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