AMD Ryzen 5 7640HS vs AMD Ryzen 9 7945HX

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CPU comparison with benchmarks


AMD Ryzen 5 7640HS CPU1 vs CPU2 AMD Ryzen 9 7945HX
AMD Ryzen 5 7640HS AMD Ryzen 9 7945HX

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 5 7640HS and the AMD Ryzen 9 7945HX and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 5 7640HS 6 core processor released in Q1/2023 with the AMD Ryzen 9 7945HX which has 16 CPU cores and was introduced in Q1/2023.
AMD Ryzen 5 (78) Family AMD Ryzen 9 (34)
AMD Ryzen 7040 (19) CPU group AMD Ryzen 7045 (6)
6 Generation 6
Phoenix (Zen 4) Architecture Dragon Range (Zen 4)
Mobile Segment Mobile
-- Predecessor --
AMD Ryzen 5 8640HS Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 7640HS is a 6 core processor with a clock frequency of 4.30 GHz (5.00 GHz). The processor can compute 12 threads at the same time. The AMD Ryzen 9 7945HX clocks with 2.50 GHz (5.40 GHz), has 16 CPU cores and can calculate 32 threads in parallel.

AMD Ryzen 5 7640HS Characteristic AMD Ryzen 9 7945HX
6 Cores 16
12 Threads 32
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
4.30 GHz Frequency 2.50 GHz
5.00 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 5 7640HS Characteristic AMD Ryzen 9 7945HX
AMD Ryzen AI AI hardware --
AMD dedicated AI XDNA Technology 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 760M GPU AMD Radeon 610M
0.80 GHz GPU frequency 0.40 GHz
2.60 GHz GPU (Turbo) 2.20 GHz
10 GPU Generation 9
4 nm Technology 6 nm
4 Max. displays 3
8 Compute units 2
512 Shader 128
Yes Hardware Raytracing Yes
AMD FSR Frame Generation No
32 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 760M 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 Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode / Encode Codec AV1 Decode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 7640HS, while the AMD Ryzen 9 7945HX supports a maximum of 128 GB of memory with a maximum memory bandwidth of 83.2 GB/s enabled.

AMD Ryzen 5 7640HS Characteristic AMD Ryzen 9 7945HX
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR5-5200
256 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 83.2 GB/s
Yes ECC Yes
6.00 MB L2 Cache 16.00 MB
16.00 MB L3 Cache 64.00 MB
4.0 PCIe version 5.0
20 PCIe lanes 28
39.4 GB/s PCIe Bandwidth 110.3 GB/s

Thermal Management

The AMD Ryzen 5 7640HS has a TDP of 54 W. The TDP of the AMD Ryzen 9 7945HX is 55 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 5 7640HS Characteristic AMD Ryzen 9 7945HX
54 W TDP (PL1 / PBP) 55 W
-- TDP (PL2) --
-- TDP up 75 W
35 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 7640HS has 22.00 MB cache and is manufactured in 4 nm. The cache of AMD Ryzen 9 7945HX is at 80.00 MB. The processor is manufactured in 5 nm.

AMD Ryzen 5 7640HS Characteristic AMD Ryzen 9 7945HX
4 nm Technology 5 nm
Monolithic 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
FP8 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


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Average performance in benchmarks

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

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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
99 (87%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
702 (42%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
1669 (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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
1802 (85%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
7768 (40%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
2478 (89%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
10357 (64%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz
443 (17%)

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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
22864 (39%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
58842 (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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
0 (0%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
32788 (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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
0 (0%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 5.00 GHz
0 (0%)
AMD Ryzen 9 7945HX 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 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
5597 (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 5 7640HS AMD Ryzen 5 7640HS
4.30 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
32,788 CB R23 MC @ 134 W
245 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Ryzen 5 7640HS AMD Ryzen 5 7640HS
6C 12T @ 4.30 GHz
10 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 7640HS AMD Ryzen 9 7945HX
Unknown Unknown

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