4k gaming, a real improvement?

Tech blogger Rasmus Slot writes: "When playing video games or rendering other kinds of 3D intensive application on your pc you always want the best possible rendering quality in order to have the most immersive experience, but quite often the screen you are using won't surpass 1920×1080(1080p) or even do much more then 1368×768 (768p) when using a laptop…"