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Home> Industry Information> Performance comparison of Auto 2 DIN Android Stereo

Performance comparison of Auto 2 DIN Android Stereo

November 17, 2019


CPU: the central processor is a very large scale integrated circuit, and it is the operation core and control core of a computer. It can be regarded as the brain central system of computer.
The performance of the system is largely determined by the performance of the CPU, and the performance of the CPU is mainly reflected in the speed of its running program. The performance indexes affecting the operation speed include the following:


Main frequency of CPU performance parameters

1: fsb
2: Bus frequency
3: Frequency doubling coefficient
4: cache
Main frequency
The main frequency of the 2 din car dvd auto is also called clock frequency, and its unit is megahertz (MHz) or gigahertz (GHz), which is used to express the speed of CPU operation and data processing. Generally, the higher the main frequency, the faster the CPU can process data.

fsb
Is the reference frequency of the CPU, in MHz. The external frequency of CPU determines the running speed of the whole motherboard.

Bus frequency
The front-end bus (FSB) is the bus connecting the CPU to the north bridge chip. The frequency of FSB (bus frequency) directly affects the speed of data exchange between CPU and memory. That is to say, data bandwidth.

Frequency doubling coefficient
Frequency multiplication coefficient refers to the relative proportion between the main frequency of CPU and the external frequency. In the same external frequency, the higher the octave, the higher the frequency of CPU.

cache
Cache size is also one of the important indicators of CPU, and the structure and size of cache have a great impact on CPU speed. The running frequency of cache in CPU is very high, generally it operates at the same frequency as the processor, and the working efficiency is far greater than the system memory and hard disk. In practice, the CPU often needs to read the same data block repeatedly, and the increase of cache capacity can greatly improve the hit rate of data read by the CPU, instead of looking for it in memory or hard disk, so as to improve the system performance.

Collected above point .We have follows main CPU

1:  Quad core , MTK 8227L  ,1.2GHZ *4 , Framework A9 

2: Quad core , MTK3561, 1.3Ghz *4  ,  Framework A53

3: Octa core,  Samsung  S8,  1.4Ghz * 8 , Framework  A53 

4: Octa Core:  Intel , 1.872Ghz *8 , Frame work  Intel Atom X86


What is difference about each platform

Based on MTK Platform
4core 1G/2G+16G Satisy basic requirement
Internet  connect with built in Wifi
Support AV Out

Based on MTK3561 Platform
4core 2G+32G
4G LTE Network

Based on  Rockchip PX30 / PX5
Built in DSP 
Android 10 

360 Panorama System
Based on Interl X86 Platform
4G+64G
IPS screen Built in Carplay.
4G LTE Network
built in 32 channel DSP
Support AHD Camera

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