AMD Ryzen 9 7845HX vs AMD Ryzen 9 7945HX

Last updated: 2024-01-31

CPU comparison with benchmarks


AMD Ryzen 9 7845HX		AMD Ryzen 9 7945HX
CPU comparison AMD Ryzen 9 7845HX or AMD Ryzen 9 7945HX - 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 7845HX has 12 cores with 24 threads and clocks with a maximum frequency of 5.20 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7845HX was released in Q1/2023. The AMD Ryzen 9 7945HX has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX was released in Q1/2023.

AMD Ryzen 9 (35)	Family	AMD Ryzen 9 (35)
AMD Ryzen 7045 (6)	CPU group	AMD Ryzen 7045 (6)
6	Generation	6
Dragon Range (Zen 4)	Architecture	Dragon Range (Zen 4)
Mobile	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD Ryzen 9 7845HX is a 12 core processor with a clock frequency of 3.00 GHz (5.20 GHz). The AMD Ryzen 9 7945HX has 16 CPU cores with a clock frequency of 2.50 GHz (5.40 GHz).
AMD Ryzen 9 7845HX	Characteristic	AMD Ryzen 9 7945HX
12	Cores	16
24	Threads	32
normal	Core architecture	normal
Yes	Hyperthreading	Yes
Yes	Overclocking ?	Yes
3.00 GHz	Frequency	2.50 GHz
5.20 GHz	Turbo Frequency (1 Core)	5.40 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 7845HX	Characteristic	AMD Ryzen 9 7945HX
--	AI hardware	--
--	AI specifications	--

Internal Graphics The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
AMD Radeon 610M	GPU	AMD Radeon 610M
0.40 GHz	GPU frequency	0.40 GHz
2.20 GHz	GPU (Turbo)	2.20 GHz
9	GPU Generation	9
6 nm	Technology	6 nm
3	Max. displays	3
2	Compute units	2
128	Shader	128
Yes	Hardware Raytracing	Yes
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 610M	GPU	AMD Radeon 610M
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	Decode
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The AMD Ryzen 9 7845HX supports a maximum of 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX can connect up to 128 GB of memory in 2 memory channels.
AMD Ryzen 9 7845HX	Characteristic	AMD Ryzen 9 7945HX
DDR5-5200	Memory	DDR5-5200
128 GB	Max. Memory	128 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
83.2 GB/s	Max. Bandwidth	83.2 GB/s
Yes	ECC	Yes
12.00 MB	L2 Cache	16.00 MB
64.00 MB	L3 Cache	64.00 MB
5.0	PCIe version	5.0
28	PCIe lanes	28
110.3 GB/s	PCIe Bandwidth	110.3 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 7845HX has a TDP of 55 W, that of the AMD Ryzen 9 7945HX is 55 W.
AMD Ryzen 9 7845HX	Characteristic	AMD Ryzen 9 7945HX
55 W	TDP (PL1 / PBP)	55 W
--	TDP (PL2)	--
75 W	TDP up	75 W
45 W	TDP down	--
100 °C	Tjunction max.	100 °C
Technical details The AMD Ryzen 9 7845HX has a 76.00 MB cache, while the AMD Ryzen 9 7945HX cache has a total of 80.00 MB.
AMD Ryzen 9 7845HX	Characteristic	AMD Ryzen 9 7945HX
5 nm	Technology	5 nm
Chiplet	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512	ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
FL1	Socket	FL1
AMD-V, SVM	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Windows 11, Linux
Q1/2023	Release date	Q1/2023
--	Release price	--

show more data		show more data

AMD Ryzen 9 7845HX 12C 24T @ 3.00 GHz (5.20 GHz) buy now on Amazon and save! AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz (5.40 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

AMD Ryzen 9 7845HX (95%)

AMD Ryzen 9 7945HX (100%)

⌀ Multi core performance in 4 CPU benchmarks

AMD Ryzen 9 7845HX (83%)

AMD Ryzen 9 7945HX (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 7845HX 12C 24T @ 5.20 GHz	1859 (95%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	1955 (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 7845HX 12C 24T @ 3.00 GHz	26654 (81%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	32788 (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 7845HX 12C 24T @ 5.20 GHz	2052 (96%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	2130 (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 7845HX 12C 24T @ 3.00 GHz	16789 (86%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	19472 (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 7845HX 12C 24T @ 5.20 GHz	2645 (95%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	2774 (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 7845HX 12C 24T @ 3.00 GHz	13667 (84%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	16214 (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 7845HX AMD Radeon 610M @ 2.20 GHz	443 (100%)
	AMD Ryzen 9 7945HX AMD Radeon 610M @ 2.20 GHz	443 (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 7845HX 12C 24T @ 3.00 GHz	46864 (80%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	58842 (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 7845HX 26,654 CB R23 MC @ 102 W	261 (100%)
	AMD Ryzen 9 7945HX 32,788 CB R23 MC @ 134 W	245 (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 7845HX 12C 24T @ 5.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	114 (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 7845HX 12C 24T @ 5.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	1669 (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 7845HX 12C 24T @ 5.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	758 (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 7845HX 12C 24T @ 3.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	12914 (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 7845HX 12C 24T @ 3.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	94 (100%)

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 7845HX 12C 24T @ 5.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	312 (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 7845HX 12C 24T @ 3.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	5597 (100%)

Devices using this processor
AMD Ryzen 9 7845HX	AMD Ryzen 9 7945HX
Unknown	Unknown

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