AMD Ryzen 5 7645HX vs HiSilicon Kirin 990E 5G
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CPU comparison with benchmarks
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| AMD Ryzen 5 7645HX | HiSilicon Kirin 990E 5G | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 5 7645HX and the HiSilicon Kirin 990E 5G and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 5 7645HX 6 core processor released in Q1/2023 with the HiSilicon Kirin 990E 5G which has 8 CPU cores and was introduced in Q3/2019. |
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| AMD Ryzen 5 (86) | Family | HiSilicon Kirin (29) |
| AMD Ryzen 7045 (6) | CPU group | HiSilicon Kirin 990 (3) |
| 6 | Generation | 8 |
| Dragon Range (Zen 4) | Architecture | Cortex-A76 / Cortex-A55 |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 7645HX is a 6 core processor with a clock frequency of 4.00 GHz (5.00 GHz). The processor can compute 12 threads at the same time. The HiSilicon Kirin 990E 5G clocks with 2.86 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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| AMD Ryzen 5 7645HX | Characteristic | HiSilicon Kirin 990E 5G |
| 6 | Cores | 8 |
| 12 | Threads | 8 |
| normal | Core architecture | hybrid (Prime / big.LITTLE) |
| Yes | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 4.00 GHz (5.00 GHz) 6x Zen 4 |
A-Core | 2.86 GHz 2x Cortex-A76 |
| -- | B-Core | 2.36 GHz 2x Cortex-A76 |
| -- | C-Core | 1.95 GHz 4x Cortex-A55 |
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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| AMD Ryzen 5 7645HX | Characteristic | HiSilicon Kirin 990E 5G |
| -- | AI hardware | HUAWEI HiAI 2.0 |
| -- | AI specifications | Da Vinci Architecture. 1x Ascend Lite + 1x Ascend Tiny |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)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. |
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| AMD Radeon 610M | GPU | ARM Mali-G76 MP14 |
| 0.40 GHz | GPU frequency | 0.60 GHz |
| 2.20 GHz | GPU (Turbo) | 0.60 GHz |
| 9 | GPU Generation | Bifrost 3 |
| 6 nm | Technology | 7 nm |
| 3 | Max. displays | 2 |
| 2 | Compute units | 14 |
| 128 | Shader | 224 |
| Yes | Hardware Raytracing | No |
| No | Frame Generation | No |
| 8 GB | Max. GPU Memory | 4 GB |
| 12 | 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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| AMD Radeon 610M | GPU | ARM Mali-G76 MP14 |
| 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 | No |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode / Encode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 7645HX, while the HiSilicon Kirin 990E 5G supports a maximum of 8 GB of memory with a maximum memory bandwidth of -- enabled. |
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| AMD Ryzen 5 7645HX | Characteristic | HiSilicon Kirin 990E 5G |
| DDR5-5200 | Memory | LPDDR4X-4266 |
| 128 GB | Max. Memory | 8 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 83.2 GB/s | Max. Bandwidth | -- |
| Yes | ECC | No |
| 6.00 MB | L2 Cache | -- |
| 32.00 MB | L3 Cache | 2.00 MB |
| 5.0 | PCIe version | -- |
| 28 | PCIe lanes | -- |
| 110.3 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Ryzen 5 7645HX has a TDP of 55 W. The TDP of the HiSilicon Kirin 990E 5G is 6 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Ryzen 5 7645HX | Characteristic | HiSilicon Kirin 990E 5G |
| 55 W | TDP (PL1 / PBP) | 6 W |
| -- | TDP (PL2) | -- |
| 75 W | TDP up | -- |
| 45 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 7645HX has 38.00 MB cache and is manufactured in 5 nm. The cache of HiSilicon Kirin 990E 5G is at 2.00 MB. The processor is manufactured in 7 nm. |
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| AMD Ryzen 5 7645HX | Characteristic | HiSilicon Kirin 990E 5G |
| 5 nm | Technology | 7 nm |
| Chiplet | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | -- |
| FL1 | Socket | -- |
| AMD-V, SVM | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Android |
| Q1/2023 | Release date | Q3/2019 |
| -- | 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 7645HX
AMD Radeon 610M @ 2.20 GHz |
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HiSilicon Kirin 990E 5G
ARM Mali-G76 MP14 @ 0.60 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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AMD Ryzen 5 7645HX
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 990E 5G
8C 8T @ 2.86 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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AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz |
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HiSilicon Kirin 990E 5G
8C 8T @ 2.86 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 7645HX
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 990E 5G
8C 8T @ 2.86 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 7645HX
6C 12T @ 4.00 GHz |
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HiSilicon Kirin 990E 5G
8C 8T @ 2.86 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 7645HX
6C 12T @ 5.00 GHz |
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HiSilicon Kirin 990E 5G
8C 8T @ 2.86 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 7645HX
6C 12T @ 4.00 GHz |
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HiSilicon Kirin 990E 5G
8C 8T @ 2.86 GHz |
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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.
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AMD Ryzen 5 7645HX
13,824 CB R23 MC @ 51 W |
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HiSilicon Kirin 990E 5G
2.86 GHz |
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Devices using this processor |
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| AMD Ryzen 5 7645HX | HiSilicon Kirin 990E 5G |
| Unknown | Unknown |
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