HiSilicon Kirin 925 vs AMD Ryzen 7 7840H
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CPU comparison with benchmarks
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| HiSilicon Kirin 925 | AMD Ryzen 7 7840H | |
CPU comparisonHiSilicon Kirin 925 or AMD Ryzen 7 7840H - 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 HiSilicon Kirin 925 has 8 cores with 8 threads and clocks with a maximum frequency of 1.80 GHz. Up to GB of memory is supported in 2 memory channels. The HiSilicon Kirin 925 was released in Q3/2014. The AMD Ryzen 7 7840H has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 7840H was released in Q1/2023. |
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| HiSilicon Kirin (29) | Family | AMD Ryzen 7 (70) |
| HiSilicon Kirin 920 (3) | CPU group | AMD Ryzen 7040 (21) |
| 2 | Generation | 6 |
| Cortex-A15 / Cortex-A7 | Architecture | Phoenix (Zen 4) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe HiSilicon Kirin 925 is a 8 core processor with a clock frequency of 1.80 GHz. The AMD Ryzen 7 7840H has 8 CPU cores with a clock frequency of 3.80 GHz (5.10 GHz). |
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| HiSilicon Kirin 925 | Characteristic | AMD Ryzen 7 7840H |
| 8 | Cores | 8 |
| 8 | Threads | 16 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.80 GHz 4x Cortex-A15 |
A-Core | 3.80 GHz (5.10 GHz) 8x Zen 4 |
| 1.30 GHz 4x Cortex-A7 |
B-Core | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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| HiSilicon Kirin 925 | Characteristic | AMD Ryzen 7 7840H |
| -- | AI hardware | AMD Ryzen™ AI |
| -- | AI specifications | AMD dedicated AI XDNA Technology |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)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. |
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| ARM Mali-T628 MP4 | GPU | AMD Radeon 780M |
| 0.60 GHz | GPU frequency | 0.80 GHz |
| 0.60 GHz | GPU (Turbo) | 2.70 GHz |
| Midgard 2 | GPU Generation | 3 |
| 32nm | Technology | 4 nm |
| 1 | Max. displays | 4 |
| 4 | Compute units | 12 |
| 64 | Shader | 768 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | AMD FSR |
| -- | Max. GPU Memory | 32 GB |
| 11 | DirectX Version | 12 |
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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| ARM Mali-T628 MP4 | GPU | AMD Radeon 780M |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode |
| Decode / Encode | Codec VP8 | Decode |
| No | Codec AV1 | Decode / Encode |
| No | Codec AVC | Decode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe HiSilicon Kirin 925 supports a maximum of GB of memory in 2 memory channels. The AMD Ryzen 7 7840H can connect up to 256 GB of memory in 2 memory channels. |
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| HiSilicon Kirin 925 | Characteristic | AMD Ryzen 7 7840H |
| LPDDR3-1600 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| Max. Memory | 256 GB | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| -- | Max. Bandwidth | 120.0 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 8.00 MB |
| -- | L3 Cache | 16.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 20 |
| -- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The HiSilicon Kirin 925 has a TDP of --, that of the AMD Ryzen 7 7840H is 54 W. |
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| HiSilicon Kirin 925 | Characteristic | AMD Ryzen 7 7840H |
| -- | TDP (PL1 / PBP) | 54 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 60 W |
| -- | TDP down | 35 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe HiSilicon Kirin 925 has a 0.00 MB cache, while the AMD Ryzen 7 7840H cache has a total of 24.00 MB. |
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| HiSilicon Kirin 925 | Characteristic | AMD Ryzen 7 7840H |
| 28 nm | Technology | 4 nm |
| Chiplet | Chip design | Monolithic |
| Armv7-A (32 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| -- | Socket | FP8 |
| None | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Android | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2014 | Release date | Q1/2023 |
| -- | 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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HiSilicon Kirin 925
ARM Mali-T628 MP4 @ 0.60 GHz |
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AMD Ryzen 7 7840H
AMD Radeon 780M @ 2.70 GHz |
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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.
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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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.
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 4.25 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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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 5.10 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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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 4.25 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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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 5.10 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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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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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.
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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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.
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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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.
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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz |
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AI performance (NPU)
The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.
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).
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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HiSilicon Kirin 925
8C 8T @ 1.80 GHz |
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AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz |
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Devices using this processor |
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| HiSilicon Kirin 925 | AMD Ryzen 7 7840H |
| Unknown | Unknown |
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