Before understanding the difference, let’s focus on a basic aspect of it. Have you ever noticed that some people, when they start working out, tend to build up in different manner (more on the heavier side), in different time ratios (usually quicker) than others? That’s the main punch line. The reason for such a change is because these “some group” of people focuses on strength building than body building.
Now the difference:
Strength building is a method of building up a body which comprises of hardening the muscle fiber thereby increasing the muscle mass. This, in fact forms the main reason for the increase in human weight.
If you’re the kind the guy who loves to lift heavy weights and aims to become physically stronger, then let me tell you, this is the right path for you to walk on. With this method, you will not only develop strength, as the basic factor, but will also develop stamina to its greatest extent. Stamina, in this context, would mean that your muscle bearing limit will gradually increase.
Bodybuilding on the other hand, as the name suggests, involves shaping this muscle mass developed, Bringing it in the most attractive manner possible.
As a result, this operates in a radically different way than strength building, that is, this involves lifting lighter weights and developing “cuts” on your muscles, increasing the muscle visibility.
If you’re thinking of combining both the methods, then “yes”, this is very well possible, but the right order and approach should be to build up muscle mass through strength building first and then shape it through bodybuilding at last.
The choice of order will depend on your preference of course, but the above method is authenticated and recommended for good development.
Hope the difference is clear and sound.