AMD Ryzen 9 7900X | HiSilicon Kirin 655 | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 9 7900X and the HiSilicon Kirin 655 and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 9 7900X 12 core processor released in Q4/2022 with the HiSilicon Kirin 655 which has 8 CPU cores and was introduced in Q2/2016. |
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AMD Ryzen 9 (40) | Family | HiSilicon Kirin (29) |
AMD Ryzen 7000 (14) | CPU group | HiSilicon Kirin 650 (4) |
6 | Generation | 4 |
Raphael (Zen 4) | Architecture | Cortex-A53 / Cortex-A53 |
Desktop / Server | Segment | Mobile |
AMD Ryzen 9 5900X | Predecessor | -- |
AMD Ryzen 9 9900X | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7900X is a 12 core processor with a clock frequency of 4.70 GHz (5.60 GHz). The processor can compute 24 threads at the same time. The HiSilicon Kirin 655 clocks with 2.12 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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AMD Ryzen 9 7900X | Characteristic | HiSilicon Kirin 655 |
12 | Cores | 8 |
24 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
4.70 GHz (5.60 GHz) | A-Core | 2.12 GHz 4x Cortex-A53 |
-- | B-Core | 1.70 GHz 4x Cortex-A53 |
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 Graphics (Raphael) | GPU | ARM Mali-T830 MP2 |
0.40 GHz | GPU frequency | 0.90 GHz |
2.20 GHz | GPU (Turbo) | -- |
9 | GPU Generation | Midgard 4 |
5 nm | Technology | 28nm |
3 | Max. displays | 2 |
2 | Compute units | 2 |
128 | Shader | 32 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
8 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 Graphics (Raphael) | GPU | ARM Mali-T830 MP2 |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | Decode / Encode |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
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 9 7900X, while the HiSilicon Kirin 655 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled. |
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AMD Ryzen 9 7900X | Characteristic | HiSilicon Kirin 655 |
DDR5-5200 | Memory | LPDDR3-933 |
128 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
83.2 GB/s | Max. Bandwidth | -- |
Yes | ECC | No |
12.00 MB | L2 Cache | -- |
64.00 MB | L3 Cache | -- |
5.0 | PCIe version | -- |
24 | PCIe lanes | -- |
94.5 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Ryzen 9 7900X has a TDP of 170 W. The TDP of the HiSilicon Kirin 655 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 9 7900X | Characteristic | HiSilicon Kirin 655 |
170 W | TDP (PL1 / PBP) | -- |
230 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 9 7900X has 76.00 MB cache and is manufactured in 5 nm. The cache of HiSilicon Kirin 655 is at 0.00 MB. The processor is manufactured in 16 nm. |
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AMD Ryzen 9 7900X | Characteristic | HiSilicon Kirin 655 |
5 nm | Technology | 16 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 | -- |
AM5 (LGA 1718) | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Android |
Q4/2022 | Release date | Q2/2016 |
549 $ | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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HiSilicon Kirin 655
ARM Mali-T830 MP2 @ 0.90 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 4.70 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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HiSilicon Kirin 655
8C 8T @ 2.12 GHz |
AMD Ryzen 9 7900X
29,306 CB R23 MC @ 186 W |
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HiSilicon Kirin 655
2.12 GHz |
Devices using this processor |
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AMD Ryzen 9 7900X | HiSilicon Kirin 655 |
Unknown | Unknown |