HiSilicon Kirin 955 vs Unisoc SC9863A

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The HiSilicon Kirin 955 and the Unisoc SC9863A are two processors with distinct specifications.

Starting with the HiSilicon Kirin 955, it boasts a powerful architecture with 4x 2.5 GHz Cortex-A72 cores and 4x 1.8 GHz Cortex-A53 cores. This setup allows for efficient multitasking and seamless performance. It utilizes the ARMv8-A instruction set, which ensures compatibility with a wide range of software. With a lithography size of 16 nm, this processor is able to accommodate around 2000 million transistors, resulting in impressive processing capabilities. Additionally, it operates with a maximum TDP of 5 Watts, making it energy-efficient.

On the other hand, the Unisoc SC9863A features a slightly different architecture. It consists of 4x 1.6 GHz Cortex-A55 cores and 4x 1.2 GHz Cortex-A55 cores. While this configuration may not be as powerful as the HiSilicon Kirin 955, it still provides a decent level of performance. The processor is equipped with an ARMv8.2-A instruction set, which ensures compatibility with modern software. With a lithography size of 28 nm, it is not as efficient as the Kirin 955 in terms of power consumption. However, it has a lower maximum TDP of 3 Watts, which contributes to improved energy efficiency. Additionally, the Unisoc SC9863A stands out with its Neural Processing Unit (NPU), which enhances its ability to handle AI-related tasks.

In summary, the HiSilicon Kirin 955 and the Unisoc SC9863A have different specifications that cater to specific needs. The Kirin 955 excels in terms of power and efficiency, with its powerful Cortex-A72 and Cortex-A53 cores, while the Unisoc SC9863A offers a more energy-efficient option with its Cortex-A55 cores and NPU. Ultimately, the choice between these processors will depend on the intended usage and priorities of the device in question.

CPU cores and architecture

Architecture 4x 2.5 GHz – Cortex-A72
4x 1.8 GHz – Cortex-A53
4x 1.6 GHz – Cortex-A55
4x 1.2 GHz – Cortex-A55
Number of cores 8 8
Instruction Set ARMv8-A ARMv8.2-A
Lithography 16 nm 28 nm
Number of transistors 2000 million
TDP 5 Watt 3 Watt
Neural Processing NPU

Memory (RAM)

Max amount up to 4 GB up to 4 GB
Memory type LPDDR4 LPDDR4X
Memory frequency 1333 MHz 1866 MHz
Memory-bus 2x32 bit 2x16 bit

Storage

Storage specification UFS 2.0 eMMC 5.1

Graphics

GPU name Mali-T880 MP4 Imagination PowerVR GE8322
GPU Architecture Midgard Rogue
GPU frequency 900 MHz 550 MHz
Execution units 4 4
Shaders 64 128
DirectX 11.2 11
OpenCL API 1.2 3.0
OpenGL API ES 3.2
Vulkan API 1.0 1.2

Camera, Video, Display

Max screen resolution 2160x1080
Max camera resolution 1x 31MP, 2x 13MP 1x 16MP + 1x 5MP
Max Video Capture FullHD@60fps FullHD@30fps
Video codec support H.264 (AVC)
H.265 (HEVC)
VP8
H.264 (AVC)
H.265 (HEVC)
VP8

Wireless

4G network Yes Yes
5G network Yes Yes
Peak Download Speed 0.3 Gbps 0.3 Gbps
Peak Upload Speed 0.05 Gbps 0.1 Gbps
Wi-Fi 5 (802.11ac) 4 (802.11n)
Bluetooth 4.2 4.2
Satellite navigation BeiDou
GPS
Galileo
GLONASS
BeiDou
GPS
GLONASS

Supplemental Information

Launch Date 2016 April 2018 November
Partnumber Hi3655 SC9863A
Vertical Segment Mobiles Mobiles
Positioning Flagship Low-end

AnTuTu 10

Total Score
Kirin 955
147887
SC9863A
114273

GeekBench 6 Single-Core

Score
Kirin 955
345
SC9863A
145

GeekBench 6 Multi-Core

Score
Kirin 955
1180
SC9863A
779