HiSilicon Kirin 985 5G vs HiSilicon Kirin 820 5G

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

HiSilicon Kirin 985 5G or HiSilicon Kirin 985 5G – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The HiSilicon Kirin 985 5G features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2020 and belongs to the 7 generation of the HiSilicon Kirin series.
The HiSilicon Kirin 820 5G features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 6 generation of the HiSilicon Kirin series.
Mobile Segment Mobile
HiSilicon Kirin 985 5G Name HiSilicon Kirin 820 5G
HiSilicon Kirin Family HiSilicon Kirin
7 Generation 6
HiSilicon Kirin 980 Group HiSilicon Kirin 810/820
 
 

CPU Cores and Base Frequency

The HiSilicon Kirin 985 5G has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.58 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The HiSilicon Kirin 820 5G has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.36 GHz.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
4x Cortex-A55 Cores C None
1.84 GHz C-Core Frequency None
2.4 GHz B-Core Frequency 1.84 GHz
2.58 GHz A-Core Frequency 2.36 GHz
3x Cortex-A76 Cores B 4x Cortex-A55
1x Cortex-A76 Cores A 4x Cortex-A76
No Overclocking No
hybrid (Prime / big.LITTLE) Core architecture hybrid (big.LITTLE)
8 Threads 8
No Hyperthreading No
8 CPU Cores 8
 
 

Internal Graphics

The HiSilicon Kirin 985 5G has integrated graphics, called iGPU for short.
Specifically, the HiSilicon Kirin 985 5G uses the ARM Mali-G77 MP8, which has 128 texture shaders
and 8 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The HiSilicon Kirin 820 5G has integrated graphics, called iGPU for short.
Specifically, the HiSilicon Kirin 820 5G uses the ARM Mali-G57 MP6, which has 96 texture shaders
and 6 execution units.
0.8 GHz GPU frequency 0.85 GHz
Q2/2019 Release date Q2/2020
12 Direct X 12
ARM Mali-G77 MP8 GPU name ARM Mali-G57 MP6
7 nm Technology 7 nm
-- Max. displays --
128 Shaders 96
4.0 GB Max. GPU Memory 4.0 GB
8 Execution units 6
Vallhall 1 Generation Vallhall 1
-- GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications Da Vinci Architecture. Ascend D110 Lite
-- AI hardware HUAWEI HiAI 2.0
 
 

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.
Decode / Encode AVC Decode / Encode
Decode / Encode VC-1 Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode AV1 Decode
 
 

Memory & PCIe

4 Memory channels 4
0 bytes Max. Memory 0 bytes
pci PCIe pci
No AES-NI No
No ECC No
-- Bandwidth --
LPDDR4X-2133 Memory type LPDDR4X-2133
 
 

Thermal Management

TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 6 W watts.
-- Tjunction max --
None TDP (PL1 / PBP) 6 W
 
 

Technical details

The HiSilicon Kirin 985 5G is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The HiSilicon Kirin 820 5G is manufactured using a 7 nm process.
In total, this processor boasts a generous 2.0 MB cache.
Q2/2020 Release date Q2/2019
Hi6290 Part Number --
0 bytes L2-Cache 0 bytes
None Virtualization None
ISA extensions
Chiplet Chip design Chiplet
Cortex-A76 / Cortex-A55 Architecture Cortex-A76 / Cortex-A55
7 nm Technology 7 nm
Socket
Android Operating systems Android
-- Release price --
Technical data sheet Documents Technical data sheet
ARMv8-A64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
0 bytes L3-Cache 2.0 MB
 
 

Benchmarks