HiSilicon Kirin 820 5G vs Unisoc SC7731E

The HiSilicon Kirin 820 5G and the Unisoc SC7731E are two processors with different specifications and capabilities.

Starting with the HiSilicon Kirin 820 5G, it boasts a more advanced architecture compared to the Unisoc SC7731E. It is equipped with 1x 2.36 GHz - Cortex-A76, 3x 2.22 GHz - Cortex-A76, and 4x 1.84 GHz - Cortex-A55 cores. This provides a total of 8 cores, offering high performance and efficiency for various tasks.

In terms of the instruction set, the HiSilicon Kirin 820 5G operates on ARMv8.2-A, which is a more recent and advanced version. This allows for enhanced software compatibility and optimization.

Another noteworthy feature of the HiSilicon Kirin 820 5G is its advanced lithography of 7 nm. This ensures a smaller transistor size and more power efficiency, resulting in better overall performance and reduced power consumption. With a TDP of 6 Watts, it consumes relatively less power while delivering strong processing capabilities.

Furthermore, the HiSilicon Kirin 820 5G incorporates neural processing capabilities through its Ascend D110 Lite and HUAWEI Da Vinci Architecture. This enables dedicated AI processing, enhancing tasks that require artificial intelligence algorithms.

On the other hand, the Unisoc SC7731E has a simpler architecture. It consists of 4x 1.3 GHz - Cortex-A7 cores, providing a total of 4 cores. While it may not match the HiSilicon Kirin 820 5G in terms of performance, it can still handle everyday tasks with reasonable efficiency.

In terms of the instruction set, the Unisoc SC7731E operates on ARMv7-A, which is an older version compared to the HiSilicon Kirin 820 5G. This may limit its compatibility with certain software and optimizations.

Additionally, the Unisoc SC7731E has a lithography of 28 nm, which is larger compared to the HiSilicon Kirin 820 5G. This may result in higher power consumption and reduced efficiency. With a TDP of 7 Watts, it consumes slightly more power compared to the HiSilicon Kirin 820 5G.

Overall, the HiSilicon Kirin 820 5G offers a more advanced and powerful processing experience compared to the Unisoc SC7731E. Its multi-core design, advanced architecture, smaller lithography, and dedicated neural processing capabilities make it a superior choice for demanding tasks and applications.

CPU cores and architecture

Architecture 1x 2.36 GHz – Cortex-A76
3x 2.22 GHz – Cortex-A76
4x 1.84 GHz – Cortex-A55
4x 1.3 GHz – Cortex-A7
Number of cores 8 4
Instruction Set ARMv8.2-A ARMv7-A
Lithography 7 nm 28 nm
TDP 6 Watt 7 Watt
Neural Processing Ascend D110 Lite, HUAWEI Da Vinci Architecture

Memory (RAM)

Max amount up to 12 GB up to 1 GB
Memory type LPDDR4X LPDDR3
Memory frequency 2133 MHz 533 MHz
Memory-bus 4x16 bit


Storage specification UFS 2.1 eMMC 5.1


GPU name Mali-G57 MP6 Mali-T820 MP1
GPU Architecture Valhall Midgard
GPU frequency 850 MHz 600 MHz
Execution units 6 1
Shaders 96 4
DirectX 12 11
OpenCL API 2.1 1.2
OpenGL API ES 3.2 ES 3.2
Vulkan API 1.2 1.0

Camera, Video, Display

Max screen resolution 1440x720
Max camera resolution 1x 48MP, 2x 20MP 1x 8MP
Max Video Capture 4K@30fps HD@30fps
Video codec support AV1
H.264 (AVC)
H.265 (HEVC)
H.264 (AVC)


4G network Yes Yes
5G network Yes Yes
Peak Download Speed 1.6 Gbps
Peak Upload Speed 0.2 Gbps
Wi-Fi 6 (802.11ax) 4 (802.11n)
Bluetooth 5.1 4.2
Satellite navigation BeiDou

Supplemental Information

Launch Date 2020 March 2018 Quarter 2
Vertical Segment Mobiles Mobiles
Positioning Mid-end Low-end

AnTuTu 10

Total Score
Kirin 820 5G

GeekBench 6 Single-Core

Kirin 820 5G

GeekBench 6 Multi-Core

Kirin 820 5G