Hi Bassetsmith,
Welcome to the forum.
You'll tend to find that desktop pc's have a lot more 'grunt' when it comes to producing images. Laptops by design simply don't have the horsepower to compete (usually.. There are exceptions to the rule).
Is your laptop running the latest driver update for the graphic system? Normally these are best found on the laptop manufacturers website.
Your monitor screen can also make a big difference in picture quality and a top of the range monitor will always look better than a lappie.