HiSilicon Kirin 658 vs AMD EPYC 7642
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CPU comparison with benchmarks
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| HiSilicon Kirin 658 | AMD EPYC 7642 | |
CPU comparisonHiSilicon Kirin 658 or AMD EPYC 7642 - 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 658 has 8 cores with 8 threads and clocks with a maximum frequency of 2.35 GHz. Up to GB of memory is supported in 2 memory channels. The HiSilicon Kirin 658 was released in Q2/2016. The AMD EPYC 7642 has 48 cores with 96 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7642 was released in Q3/2019. |
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| HiSilicon Kirin (29) | Family | AMD EPYC (129) |
| HiSilicon Kirin 650 (4) | CPU group | AMD EPYC 7002 (24) |
| 4 | Generation | 2 |
| Cortex-A53 / Cortex-A53 | Architecture | Rome (Zen 2) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | AMD EPYC 7643 |
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CPU Cores and Base FrequencyThe HiSilicon Kirin 658 is a 8 core processor with a clock frequency of 2.35 GHz. The AMD EPYC 7642 has 48 CPU cores with a clock frequency of 2.30 GHz (3.30 GHz). |
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| HiSilicon Kirin 658 | Characteristic | AMD EPYC 7642 |
| 8 | Cores | 48 |
| 8 | Threads | 96 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.35 GHz 4x Cortex-A53 |
A-Core | 2.30 GHz (3.30 GHz) |
| 1.70 GHz 4x Cortex-A53 |
B-Core | -- |
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-T830 MP2 | GPU | no iGPU |
| 0.90 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| Midgard 4 | GPU Generation | -- |
| 28nm | Technology | |
| 2 | Max. displays | |
| 2 | Compute units | -- |
| 32 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| 11 | DirectX Version | -- |
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-T830 MP2 | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| No | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe HiSilicon Kirin 658 supports a maximum of GB of memory in 2 memory channels. The AMD EPYC 7642 can connect up to GB of memory in 8 memory channels. |
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| HiSilicon Kirin 658 | Characteristic | AMD EPYC 7642 |
| LPDDR3-933 | Memory | DDR4-3200 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| -- | Max. Bandwidth | 51.2 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| -- | L3 Cache | 256.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 128 |
| -- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The HiSilicon Kirin 658 has a TDP of --, that of the AMD EPYC 7642 is 225 W. |
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| HiSilicon Kirin 658 | Characteristic | AMD EPYC 7642 |
| -- | TDP (PL1 / PBP) | 225 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe HiSilicon Kirin 658 has a 0.00 MB cache, while the AMD EPYC 7642 cache has a total of 256.00 MB. |
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| HiSilicon Kirin 658 | Characteristic | AMD EPYC 7642 |
| 16 nm | Technology | 7 nm |
| Chiplet | Chip design | Chiplet |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| -- | Socket | SP3 |
| None | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Android | Operating systems | Windows 10, Linux |
| Q2/2016 | Release date | Q3/2019 |
| -- | Release price | 8000 $ |
| show more data | show more data | |
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48C 96T @ 2.30 GHz (3.30 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 658
8C 8T @ 2.35 GHz |
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AMD EPYC 7642
48C 96T @ 3.30 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 658
8C 8T @ 2.35 GHz |
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AMD EPYC 7642
48C 96T @ 2.80 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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HiSilicon Kirin 658
8C 8T @ 2.35 GHz |
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AMD EPYC 7642
48C 96T @ 3.30 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 658
8C 8T @ 2.35 GHz |
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AMD EPYC 7642
48C 96T @ 2.80 GHz |
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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.
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HiSilicon Kirin 658
8C 8T @ 2.35 GHz |
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AMD EPYC 7642
48C 96T @ 3.30 GHz |
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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 658
ARM Mali-T830 MP2 @ 0.90 GHz |
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AMD EPYC 7642
@ 0.00 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 658
8C 8T @ 2.35 GHz |
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AMD EPYC 7642
48C 96T @ 2.80 GHz |
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Devices using this processor |
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| HiSilicon Kirin 658 | AMD EPYC 7642 |
| Unknown | Unknown |
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