zhuangzhuang, thank you for your patience.
I am still checking on this, but at this stage we are having some issues with the translation to English. Could you please rephrase your questions?
In the meantime I would like to share a couple of things with you; at the following link; The differences between DDR3 and DDR4 RAM | PC Gamer you will find some of the differences for these type of memory, and here; Intel® Product Specification Comparison you will be able to get the highlighted differences for these two processors.
The content on the above site is not controlled by Intel. This information is offered for your convenience and should not be viewed as an endorsement by Intel for the merchants or services offered there.
zhuangzhuang, I have got some answers for you, I will post them the same way you did;
- DDR4 standard is new; therefore, there are improvements on speed, latency and power consumption. Based on specs, DDR4 is better.
- This answers this question and the next one. Based on specs, Intel® Celeron® Processor 3855U is mobile so both are different platforms. This processor supports more faster RAM meaning that the performance will be better. The graphics controller is also more powerful making possible to set 4K resolutions.
Now, based on that it is difficult to test two different platforms, in this case Desktop vs Mobile since both have different features and are intended for different tasks.