AMD EPYC 7551 vs HiSilicon Kirin 950
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CPU comparison with benchmarks
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| AMD EPYC 7551 | HiSilicon Kirin 950 | |
CPU comparisonAMD EPYC 7551 or HiSilicon Kirin 950 - 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 EPYC 7551 has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7551 was released in Q3/2017. The HiSilicon Kirin 950 has 8 cores with 8 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to GB of memory in 2 memory channels. The HiSilicon Kirin 950 was released in Q4/2015. |
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| AMD EPYC (129) | Family | HiSilicon Kirin (29) |
| AMD EPYC 7001 (12) | CPU group | HiSilicon Kirin 950 (2) |
| 1 | Generation | 4 |
| Naples (Zen) | Architecture | Cortex-A72 / Cortex-A53 |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| AMD EPYC 7552 | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7551 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7551 is 2.00 GHz (3.00 GHz) while the HiSilicon Kirin 950 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the HiSilicon Kirin 950 is at 2.30 GHz. |
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| AMD EPYC 7551 | Characteristic | HiSilicon Kirin 950 |
| 32 | Cores | 8 |
| 64 | Threads | 8 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.00 GHz (3.00 GHz) | A-Core | 2.30 GHz 4x Cortex-A72 |
| -- | B-Core | 1.80 GHz 4x Cortex-A53 |
Integrated graphics (iGPU)The AMD EPYC 7551 or HiSilicon Kirin 950 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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| no iGPU | GPU | ARM Mali-T880 MP4 |
| GPU frequency | 0.90 GHz | |
| -- | GPU (Turbo) | 0.90 GHz |
| -- | GPU Generation | Midgard 4 |
| Technology | 16 nm | |
| Max. displays | 2 | |
| -- | Compute units | 4 |
| -- | Shader | 64 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| -- | 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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| no iGPU | GPU | ARM Mali-T880 MP4 |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7551 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The HiSilicon Kirin 950 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to --. |
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| AMD EPYC 7551 | Characteristic | HiSilicon Kirin 950 |
| DDR4-2666 | Memory | LPDDR4 |
| Max. Memory | ||
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 170.6 GB/s | Max. Bandwidth | -- |
| Yes | ECC | No |
| -- | L2 Cache | -- |
| 64.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | -- |
| 128 | PCIe lanes | -- |
| 126.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7551 is 180 W, while the HiSilicon Kirin 950 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7551 | Characteristic | HiSilicon Kirin 950 |
| 180 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7551 is manufactured in 14 nm and has 64.00 MB cache. The HiSilicon Kirin 950 is manufactured in 16 nm and has a 0.00 MB cache. |
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| AMD EPYC 7551 | Characteristic | HiSilicon Kirin 950 |
| 14 nm | Technology | 16 nm |
| Chiplet | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
| SP3 | Socket | -- |
| AMD-V, SVM | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Linux | Operating systems | Android |
| Q3/2017 | Release date | Q4/2015 |
| 3200 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 EPYC 7551
32C 64T @ 3.00 GHz |
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HiSilicon Kirin 950
8C 8T @ 2.30 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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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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HiSilicon Kirin 950
8C 8T @ 2.30 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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AMD EPYC 7551
@ 0.00 GHz |
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HiSilicon Kirin 950
ARM Mali-T880 MP4 @ 0.90 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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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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HiSilicon Kirin 950
8C 8T @ 2.30 GHz |
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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.
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
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HiSilicon Kirin 950
8C 8T @ 2.30 GHz |
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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.
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
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HiSilicon Kirin 950
8C 8T @ 2.30 GHz |
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Devices using this processor |
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| AMD EPYC 7551 | HiSilicon Kirin 950 |
| Unknown | Unknown |
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