Yep, I checked and the both version have the same graphics quality.

But deleted the config of steam version and Factorio use 2.4Go like the Classic version.
So I checked the config file and I found what cause this.
Inside the config file, there is a line named "force-opengl". If it set as false ...

Hi guys, I created this post because I see something strange about the RAM consumption between Steam version and Classic version.

https://puu.sh/wEzSC/ffdd7ec7f7.png
https://puu.sh/wEzQE/2833afafb4.jpg

https://puu.sh/wEzVm/3c7d44ac98.png
https://puu.sh/wEzUY/22a3caa128.jpg

As you can see ...