HiSilicon Kirin 955 vs Intel Xeon W-2155

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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 Xeon W-2155 features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q3/2017 and belongs to the 6 generation of the Intel Xeon W series.
To use the Intel Xeon W-2155, you'll need a motherboard with a LGA 2066 socket.
HiSilicon Kirin 950 Group Intel Xeon W-2100/3100
4 Generation 6
Mobile Segment Desktop / Server
HiSilicon Kirin 955 Name Intel Xeon W-2155
HiSilicon Kirin Family Intel Xeon W
 
 

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 Xeon W-2155 has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Xeon W-2155 is 3.3 GHz
and turbo frequency for one core is 4.5 GHz.
8 Threads 20
1.8 GHz B-Core Frequency None
None None 10x
8 CPU Cores 10
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 4.5 GHz
None None 3.3 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 Xeon W-2155 does not have integrated graphics.
64 Shaders --
Q2/2016 Release date --
16 nm Technology --
11 Direct X --
0 bytes Max. GPU Memory 0 bytes
-- Max. displays --
4 Execution units --
0.9 GHz GPU frequency --
Midgard 4 Generation --
0.9 GHz GPU (Turbo) --
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.
Decode / Encode VP8 --
No VC-1 --
Decode / Encode JPEG --
No AV1 --
Decode / Encode h265 / HEVC (8 bit) --
No AVC --
Decode / Encode h264 --
No VP9 --
Decode h265 / HEVC (10 bit) --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 512.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 85.4 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 DDR4-2666
No ECC Yes
0 bytes Max. Memory 512.0 GB
2 Memory channels 4
-- Bandwidth 85.4 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 140 W watts.
None TDP (PL1 / PBP) 140 W
-- 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.
The Intel Xeon W-2155 is manufactured using a 14 nm process.
In total, this processor boasts a generous 13.8 MB cache.
Q2/2016 Release date Q3/2017
None Virtualization VT-x, VT-x EPT, VT-d
ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
16 nm Technology 14 nm
Chiplet Chip design Monolithic
-- Release price 1440 $
Cortex-A72 / Cortex-A53 Architecture Skylake W
0 bytes L3-Cache 13.8 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 LGA 2066
0 bytes L2-Cache 0 bytes