No, we're not experiencing the same thing. It's not about cursor's movement speeed or sensitivity. When i move the cursor in fullscreen test, cursor does not always go to the location where i pointed to. It's jumping to 20-30, maybe more pixels away from the point. So i feel like i don't have full control of the cursor. When i test it in windowed mode, there is no problem with the movement. I can explain that "jump" effect like this.
Note : After writing this post, i tested it again with very slow moves. Result is the same. There is no difference between slow moves and fast moves. By the way, my mouse is Logitech M235 Wireless Nano device. Should i test it with another mouse ?