considering that it is a (...) it denotes that something varies in quality, price, etc from what you'd normally expect from it.
この肉、高い割には味がないね。 This meat, although it is expensive, it is not as flavourful as you'd expect.
この機械のパワーは強い割にめちゃくちゃ遅いです。 While this is a powerful machine, it is also very slow (against expectation)
この部屋は綺麗な割には臭くさいね。 Although this room is clean, it smells bad (against expectation)