AMD Ryzen 5 8645HS vs HiSilicon Kirin 925
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CPU comparison with benchmarks
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| AMD Ryzen 5 8645HS | HiSilicon Kirin 925 | |
CPU comparisonAMD Ryzen 5 8645HS or HiSilicon Kirin 925 - 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 5 8645HS has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 8645HS was released in Q1/2024. The HiSilicon Kirin 925 has 8 cores with 8 threads and clocks with a maximum frequency of 1.80 GHz. The CPU supports up to GB of memory in 2 memory channels. The HiSilicon Kirin 925 was released in Q3/2014. |
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| AMD Ryzen 5 (85) | Family | HiSilicon Kirin (29) |
| AMD Ryzen 8040 (20) | CPU group | HiSilicon Kirin 920 (3) |
| 7 | Generation | 2 |
| Hawk Point (Zen 4) | Architecture | Cortex-A15 / Cortex-A7 |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 8645HS has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8645HS is 4.30 GHz (5.00 GHz) while the HiSilicon Kirin 925 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the HiSilicon Kirin 925 is at 1.80 GHz. |
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| AMD Ryzen 5 8645HS | Characteristic | HiSilicon Kirin 925 |
| 6 | Cores | 8 |
| 12 | Threads | 8 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 4.30 GHz (5.00 GHz) 6x Zen 4 |
A-Core | 1.80 GHz 4x Cortex-A15 |
| -- | B-Core | 1.30 GHz 4x Cortex-A7 |
Artificial Intelligence and Machine LearningProcessors 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. |
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| AMD Ryzen 5 8645HS | Characteristic | HiSilicon Kirin 925 |
| AMD Ryzen AI | AI hardware | -- |
| AMD Ryzen™ AI | AI specifications | -- |
Internal GraphicsThe AMD Ryzen 5 8645HS or HiSilicon Kirin 925 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. |
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| AMD Radeon 760M | GPU | ARM Mali-T628 MP4 |
| 0.80 GHz | GPU frequency | 0.60 GHz |
| 2.60 GHz | GPU (Turbo) | 0.60 GHz |
| 10 | GPU Generation | Midgard 2 |
| 4 nm | Technology | 32nm |
| 4 | Max. displays | 1 |
| 8 | Compute units | 4 |
| 512 | Shader | 64 |
| Yes | Hardware Raytracing | No |
| AMD FSR | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | 11 |
Hardware codec supportA 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. |
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| AMD Radeon 760M | GPU | ARM Mali-T628 MP4 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | Decode / Encode |
| Decode / Encode | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 5 8645HS can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The HiSilicon Kirin 925 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to --. |
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| AMD Ryzen 5 8645HS | Characteristic | HiSilicon Kirin 925 |
| DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR3-1600 |
| 256 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 120.0 GB/s | Max. Bandwidth | -- |
| Yes | ECC | No |
| 6.00 MB | L2 Cache | -- |
| 16.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | -- |
| 20 | PCIe lanes | -- |
| 39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 5 8645HS is 45 W, while the HiSilicon Kirin 925 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Ryzen 5 8645HS | Characteristic | HiSilicon Kirin 925 |
| 45 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| 54 W | TDP up | -- |
| 35 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 8645HS is manufactured in 4 nm and has 22.00 MB cache. The HiSilicon Kirin 925 is manufactured in 28 nm and has a 0.00 MB cache. |
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| AMD Ryzen 5 8645HS | Characteristic | HiSilicon Kirin 925 |
| 4 nm | Technology | 28 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv7-A (32 bit) |
| SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | -- |
| FP8 | Socket | -- |
| AMD-V, SVM | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Android |
| Q1/2024 | Release date | Q3/2014 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
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.
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AMD Ryzen 5 8645HS
AMD Radeon 760M @ 2.60 GHz |
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HiSilicon Kirin 925
ARM Mali-T628 MP4 @ 0.60 GHz |
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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.
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AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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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.
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AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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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.
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AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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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.
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AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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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.
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AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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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.
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AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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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).
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AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz |
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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Devices using this processor |
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| AMD Ryzen 5 8645HS | HiSilicon Kirin 925 |
| Unknown | Unknown |
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