HiSilicon Kirin 955 vs Qualcomm Snapdragon 425

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CPU comparison with benchmarks

-VS-

CPU lineage

HiSilicon Kirin 955 or HiSilicon Kirin 955 – 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 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.
HiSilicon Kirin Family
Mobile Segment --
HiSilicon Kirin 950 Group
4 Generation --
HiSilicon Kirin 955 Name Qualcomm Snapdragon 425
 
 

CPU Cores and Base Frequency

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.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
hybrid (big.LITTLE) Core architecture --
8 CPU Cores --
No Overclocking No
4x Cortex-A53 Cores B None
No Hyperthreading No
4x Cortex-A72 Cores A None
2.5 GHz A-Core Frequency None
1.8 GHz B-Core Frequency None
8 Threads --
 
 

Internal Graphics

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
and 4 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Qualcomm Snapdragon 425 does not have integrated graphics.
11 Direct X --
Q2/2016 Release date --
Midgard 4 Generation --
0 bytes Max. GPU Memory 0 bytes
-- Max. displays --
4 Execution units --
64 Shaders --
0.9 GHz GPU (Turbo) --
16 nm Technology --
0.9 GHz GPU frequency --
ARM Mali-T880 MP4 GPU name
 
 

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

Memory & PCIe

pci PCIe pci
No AES-NI No
LPDDR3, LPDDR4 Memory type
No ECC No
2 Memory channels --
0 bytes Max. Memory 0 bytes
-- 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 HiSilicon Kirin 955 is manufactured using a 16 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.
-- Release price --
ARMv8-A64 (64 bit) Instruction set (ISA)
0 bytes L2-Cache 0 bytes
Q2/2016 Release date --
Cortex-A72 / Cortex-A53 Architecture --
Socket
Android Operating systems
Technical data sheet Documents Technical data sheet
-- Part Number --
None Virtualization
Chiplet Chip design --
ISA extensions
16 nm Technology --
0 bytes L3-Cache 0 bytes