Looking on the fundamentals and the use case of each PC keyboards, following the differences between the membrane and mechanical keyboard, here are some differences between them
Starting with the mechanical keyboard
As from some reviews regarding the mechanical keyboard, most opinions where on the facts as to which the mechanical has a more faster accuracy typing speed, as it doesn't matter the keyboard, as it all depends on the user's typing skills, which will always be the judge.
The mechanical keyboard has a higher life span, as on usage at which it can actually take, as from a review as well it, can take up to 50 million key strokes, which is really good, for long term usage
Those having to know the mechanical keyboard, will know it cost more, than the membrane Keyboard, as it can boast of speed which it can deliver, as the mechanical keyboard has a more heavier weight, which might not favor most demand on having a keyboard, as the keyboard also has more sound been produced, which can be visibly heard
The mechanical has this of having it's key having the feature of it being able to customized, as on the which the users feels as to use, as one thing which will always come first, is that of customer satisfaction
Now Looking at the membrane Keyboard
1)They are difficult, in the sense as to which they are relatively slower in typing when comparing it, to the mechanical keyboard. As typing speed is one of the main importance of having an efficient keyboard
As on the key strokes which the mechanical will boast of, and how it compares to the mechanical keyboard, we see that it has a shorter lifespan,
When looking at the price allocation, we see that the membrane is the cheaper, and some car it has a more lighter weight to the mechanical keyboard. As budget buyers, if wanting to buy maybe a cheap keyboard, a membrane is still in the market. As the keyboard, even with it's low price, we tend to see that, the membrane, has light weight, which can suite people, when going for a keyboard, and as of the sound being produced when typing it's quite low as to the mechanical keyboard
customization might not be common, on the membrane key, as the design of the keyboard could not easily have this of user customization easily