Zero issues with that on my T420. (Using modern gnome, afaik i5 16gb ram and no extra graphics). I can even attach it to the TV and watch in full HD (so more th

Zero issues with that on my T420. (Using modern gnome, afaik i5 16gb ram and no extra graphics). I can even attach it to the TV and watch in full HD (so more than the screen even has) without any compromise.