Qualcomm Snapdragon 855 vs HiSilicon Kirin 955

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CPU comparison with benchmarks

-VS-

CPU lineage

Qualcomm Snapdragon 855 or Qualcomm Snapdragon 855 – 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 Qualcomm Snapdragon 855 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2018 and belongs to the 6 generation of the Qualcomm Snapdragon series.
The HiSilicon Kirin 955 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2016 and belongs to the 4 generation of the HiSilicon Kirin series.
Qualcomm Snapdragon 855/860 Group HiSilicon Kirin 950
6 Generation 4
Mobile Segment Mobile
Qualcomm Snapdragon 855 Name HiSilicon Kirin 955
Qualcomm Snapdragon Family HiSilicon Kirin
 
 

CPU Cores and Base Frequency

The Qualcomm Snapdragon 855 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.84 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The HiSilicon Kirin 955 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.5 GHz.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
4x Kryo 485 Silver Cores C None
8 Threads 8
2.42 GHz B-Core Frequency 1.8 GHz
8 CPU Cores 8
hybrid (Prime / big.LITTLE) Core architecture hybrid (big.LITTLE)
1x Kryo 485 Prime Cores A 4x Cortex-A72
No Hyperthreading No
2.84 GHz A-Core Frequency 2.5 GHz
No Overclocking No
3x Kryo 485 Gold Cores B 4x Cortex-A53
1.8 GHz C-Core Frequency None
 
 

Internal Graphics

The Qualcomm Snapdragon 855 has integrated graphics, called iGPU for short.
Specifically, the Qualcomm Snapdragon 855 uses the Qualcomm Adreno 640, which has 384 texture shaders
and 4 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The HiSilicon Kirin 955 has integrated graphics, called iGPU for short.
Specifically, the HiSilicon Kirin 955 uses the ARM Mali-T880 MP4, which has 64 texture shaders
384 Shaders 64
Q1/2019 Release date Q2/2016
7 nm Technology 16 nm
12.0 Direct X 11
4.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
4 Execution units 4
0.25 GHz GPU frequency 0.9 GHz
5 Generation Midgard 4
0.59 GHz GPU (Turbo) 0.9 GHz
Qualcomm Adreno 640 GPU name ARM Mali-T880 MP4
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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 VP8 Decode / Encode
No VC-1 No
No JPEG Decode / Encode
No AV1 No
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
No AVC No
Decode / Encode h264 Decode / Encode
Decode / Encode VP9 No
Decode / Encode h265 / HEVC (10 bit) Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 55.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
No AES-NI No
LPDDR4X-4266 Memory type LPDDR3, LPDDR4
No ECC No
16.0 GB Max. Memory 0 bytes
4 Memory channels 2
55.3 GB/s Bandwidth --
 
 

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.
-- Tjunction max --
 
 

Technical details

The Qualcomm Snapdragon 855 is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 2.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The HiSilicon Kirin 955 is manufactured using a 16 nm process.
Q4/2018 Release date Q2/2016
None Virtualization None
ISA extensions
7 nm Technology 16 nm
Chiplet Chip design Chiplet
-- Release price --
Kryo 485 Architecture Cortex-A72 / Cortex-A53
2.0 MB L3-Cache 0 bytes
Android Operating systems Android
Technical data sheet Documents Technical data sheet
ARMv8-A64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
SM8150 Part Number --
Socket
1.8 MB L2-Cache 0 bytes