HiSilicon Kirin 985 5G vs HiSilicon Kirin 820 5G

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CPU comparison with benchmarks


HiSilicon Kirin 985 5G CPU1 vs CPU2 HiSilicon Kirin 820 5G
HiSilicon Kirin 985 5G HiSilicon Kirin 820 5G

CPU comparison

In this CPU comparison, we compare the HiSilicon Kirin 985 5G and the HiSilicon Kirin 820 5G and use benchmarks to check which processor is faster.

We compare the HiSilicon Kirin 985 5G 8 core processor released in Q2/2020 with the HiSilicon Kirin 820 5G which has 8 CPU cores and was introduced in Q2/2019.
HiSilicon Kirin (29) Family HiSilicon Kirin (29)
HiSilicon Kirin 980 (2) CPU group HiSilicon Kirin 810/820 (3)
7 Generation 6
Cortex-A76 / Cortex-A55 Architecture Cortex-A76 / Cortex-A55
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The HiSilicon Kirin 985 5G is a 8 core processor with a clock frequency of 2.58 GHz. The processor can compute 8 threads at the same time. The HiSilicon Kirin 820 5G clocks with 2.36 GHz, has 8 CPU cores and can calculate 8 threads in parallel.

HiSilicon Kirin 985 5G Characteristic HiSilicon Kirin 820 5G
8 Cores 8
8 Threads 8
hybrid (Prime / big.LITTLE) Core architecture hybrid (big.LITTLE)
No Hyperthreading No
No Overclocking ? No
2.58 GHz
1x Cortex-A76
A-Core 2.36 GHz
4x Cortex-A76
2.40 GHz
3x Cortex-A76
B-Core 1.84 GHz
4x Cortex-A55
1.84 GHz
4x Cortex-A55
C-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

HiSilicon Kirin 985 5G Characteristic HiSilicon Kirin 820 5G
-- AI hardware HUAWEI HiAI 2.0
-- AI specifications Da Vinci Architecture. Ascend D110 Lite

Internal Graphics

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.

ARM Mali-G77 MP8 GPU ARM Mali-G57 MP6
0.80 GHz GPU frequency 0.85 GHz
-- GPU (Turbo) --
Vallhall 1 GPU Generation Vallhall 1
7 nm Technology 7 nm
1 Max. displays 2
8 Compute units 6
128 Shader 96
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory 4 GB
12 DirectX Version 12

Hardware codec support

A 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.

ARM Mali-G77 MP8 GPU ARM Mali-G57 MP6
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode / Encode Codec VC-1 Decode / Encode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 4 memory channels is supported by the HiSilicon Kirin 985 5G, while the HiSilicon Kirin 820 5G supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled.

HiSilicon Kirin 985 5G Characteristic HiSilicon Kirin 820 5G
LPDDR4X-2133 Memory LPDDR4X-2133
Max. Memory
4 (Quad Channel) Memory channels 4 (Quad Channel)
-- Max. Bandwidth --
No ECC No
-- L2 Cache --
-- L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The HiSilicon Kirin 985 5G has a TDP of --. The TDP of the HiSilicon Kirin 820 5G is 6 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

HiSilicon Kirin 985 5G Characteristic HiSilicon Kirin 820 5G
-- TDP (PL1 / PBP) 6 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The HiSilicon Kirin 985 5G has 0.00 MB cache and is manufactured in 7 nm. The cache of HiSilicon Kirin 820 5G is at 2.00 MB. The processor is manufactured in 7 nm.

HiSilicon Kirin 985 5G Characteristic HiSilicon Kirin 820 5G
7 nm Technology 7 nm
Chiplet 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
Q2/2020 Release date Q2/2019
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
HiSilicon Kirin 985 5G (100%)
HiSilicon Kirin 820 5G (94%)
⌀ Multi core performance in 1 CPU benchmarks
HiSilicon Kirin 985 5G (100%)
HiSilicon Kirin 820 5G (97%)

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.
HiSilicon Kirin 985 5G HiSilicon Kirin 985 5G
8C 8T @ 2.58 GHz
684 (100%)
HiSilicon Kirin 820 5G HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz
641 (94%)

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.
HiSilicon Kirin 985 5G HiSilicon Kirin 985 5G
8C 8T @ 2.58 GHz
2517 (100%)
HiSilicon Kirin 820 5G HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz
2429 (97%)

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.
HiSilicon Kirin 985 5G HiSilicon Kirin 985 5G
ARM Mali-G77 MP8 @ 0.80 GHz
819 (100%)
HiSilicon Kirin 820 5G HiSilicon Kirin 820 5G
ARM Mali-G57 MP6 @ 0.85 GHz
653 (80%)

AnTuTu 8 Benchmark

The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.

In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
HiSilicon Kirin 985 5G HiSilicon Kirin 985 5G
8C 8T @ 2.58 GHz
406830 (100%)
HiSilicon Kirin 820 5G HiSilicon Kirin 820 5G
8C 8T @ 2.36 GHz
384634 (95%)

Devices using this processor

HiSilicon Kirin 985 5G HiSilicon Kirin 820 5G
Unknown Huawei Honor 30S
Huawei P40 Lite 5G

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