UNISOC SC9863A vs HiSilicon Kirin 620
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CPU comparison with benchmarks
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| UNISOC SC9863A | HiSilicon Kirin 620 | |
CPU comparisonUNISOC SC9863A or HiSilicon Kirin 620 - 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 UNISOC SC9863A has 8 cores with 8 threads and clocks with a maximum frequency of 1.20 GHz. Up to GB of memory is supported in 0 memory channels. The UNISOC SC9863A was released in Q2/2019. The HiSilicon Kirin 620 has 4 cores with 4 threads and clocks with a maximum frequency of 1.20 GHz. The CPU supports up to GB of memory in 1 memory channels. The HiSilicon Kirin 620 was released in Q1/2015. |
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| UNISOC 4G (10) | Family | HiSilicon Kirin (29) |
| UNISOC 4G 28nm (2) | CPU group | HiSilicon Kirin 620 (1) |
| 0 | Generation | 3 |
| -- | Architecture | Cortex-A53 |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe UNISOC SC9863A has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the UNISOC SC9863A is 1.20 GHz while the HiSilicon Kirin 620 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the HiSilicon Kirin 620 is at 1.20 GHz. |
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| UNISOC SC9863A | Characteristic | HiSilicon Kirin 620 |
| 8 | Cores | 4 |
| 8 | Threads | 4 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.20 GHz 4x Cortex-A55 |
A-Core | 1.20 GHz 4x Cortex-A53 |
| 1.60 GHz 4x Cortex-A55 |
B-Core | -- |
Integrated graphics (iGPU)The UNISOC SC9863A or HiSilicon Kirin 620 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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| PowerVR GE8322 | GPU | ARM Mali-450 MP4 |
| 0.55 GHz | GPU frequency | 0.53 GHz |
| -- | GPU (Turbo) | 0.53 GHz |
| -- | GPU Generation | Utgard |
| 20 nm | Technology | 28nm |
| 1 | Max. displays | 1 |
| 1 | Compute units | 4 |
| -- | Shader | 64 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| 10 | DirectX Version | 0 |
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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| PowerVR GE8322 | GPU | ARM Mali-450 MP4 |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeThe UNISOC SC9863A can use up to GB of memory in 0 memory channels. The maximum memory bandwidth is --. The HiSilicon Kirin 620 supports up to GB of memory in 1 memory channels and achieves a memory bandwidth of up to --. |
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| UNISOC SC9863A | Characteristic | HiSilicon Kirin 620 |
| LPDDR4X, LPDDR4, LPDDR3 | Memory | LPDDR3 |
| Max. Memory | ||
| 0 | Memory channels | 1 (Single Channel) |
| -- | Max. Bandwidth | -- |
| No | ECC | No |
| -- | L2 Cache | -- |
| -- | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the UNISOC SC9863A is --, while the HiSilicon Kirin 620 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| UNISOC SC9863A | Characteristic | HiSilicon Kirin 620 |
| -- | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe UNISOC SC9863A is manufactured in 28 nm and has 0.00 MB cache. The HiSilicon Kirin 620 is manufactured in 28 nm and has a 0.00 MB cache. |
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| UNISOC SC9863A | Characteristic | HiSilicon Kirin 620 |
| 28 nm | Technology | 28 nm |
| Unknown | Chip design | Chiplet |
| Armv8-A (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| -- | ISA extensions | -- |
| -- | Socket | -- |
| None | Virtualization | None |
| No | AES-NI | No |
| Android | Operating systems | Android |
| Q2/2019 | Release date | Q1/2015 |
| -- | Release price | -- |
| show more data | show more data | |
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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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UNISOC SC9863A
8C 8T @ 1.20 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 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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UNISOC SC9863A
8C 8T @ 1.20 GHz |
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HiSilicon Kirin 620
4C 4T @ 1.20 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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UNISOC SC9863A
PowerVR GE8322 @ 0.55 GHz |
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HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz |
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Devices using this processor |
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| UNISOC SC9863A | HiSilicon Kirin 620 |
| Unknown | Unknown |
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