HiSilicon Kirin 955 vs Intel Core i5-2557M

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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.
The Intel Core i5-2557M features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q2/2011 and belongs to the 2 generation of the Intel Core i5 series.
To use the Intel Core i5-2557M, you'll need a motherboard with a BGA 1023 socket.
HiSilicon Kirin 950 Group Intel Core i 2000M
4 Generation 2
Mobile Segment Mobile
HiSilicon Kirin 955 Name Intel Core i5-2557M
HiSilicon Kirin Family Intel Core i5
 
 

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.
The Intel Core i5-2557M has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-2557M is 1.7 GHz
and turbo frequency for one core is 2.7 GHz.
8 Threads 4
1.8 GHz B-Core Frequency None
None None 2x
8 CPU Cores 2
hybrid (big.LITTLE) Core architecture normal
4x Cortex-A72 Cores A None
No Hyperthreading Yes
2.5 GHz A-Core Frequency None
No Overclocking No
4x Cortex-A53 Cores B None
None None 2.7 GHz
None None 1.7 GHz
 
 

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 Intel Core i5-2557M has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-2557M uses the Intel HD Graphics 3000, which has 96 texture shaders
and 12 execution units.
64 Shaders 96
Q2/2016 Release date Q1/2011
16 nm Technology 32 nm
11 Direct X 10.1
0 bytes Max. GPU Memory 2.0 GB
-- Max. displays --
4 Execution units 12
0.9 GHz GPU frequency 0.35 GHz
Midgard 4 Generation 6
0.9 GHz GPU (Turbo) 1.2 GHz
ARM Mali-T880 MP4 GPU name Intel HD Graphics 3000
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 8.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 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 Yes
LPDDR3, LPDDR4 Memory type DDR3-1333
No ECC No
0 bytes Max. Memory 8.0 GB
2 Memory channels 2
-- Bandwidth 21.3 GB/s
 
 

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 17 W watts.
None TDP (PL1 / PBP) 17 W
-- Tjunction max 100 °C
 
 

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.
The Intel Core i5-2557M is manufactured using a 32 nm process.
In total, this processor boasts a generous 3.0 MB cache.
Q2/2016 Release date Q2/2011
None Virtualization VT-x, VT-x EPT
ISA extensions SSE4.1, SSE4.2, AVX
16 nm Technology 32 nm
Chiplet Chip design Monolithic
-- Release price --
Cortex-A72 / Cortex-A53 Architecture Sandy Bridge H
0 bytes L3-Cache 3.0 MB
Android Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
ARMv8-A64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Socket BGA 1023
0 bytes L2-Cache 0 bytes