I would not put the S5 in the same "league" as the Q3. I've heard both at the same dealer, though with different equipment and in different rooms. I thought the Q3 was much more evenly balanced, more transparent and far more coherent. It just did not make me think about the equipment. The S5, on the other hand, did not disappear and sounded very mechanical with an emphasis on the lower frequencies. I did not hear the magic. But then they are at different price points.
The dealer did tell me that he thought the S1 was closer to the Q1 than the S5 is to the Q3.
To address the OP's original question, which will be preferred should be evident after you hear them in similar settings with familiar music.
The dealer did tell me that he thought the S1 was closer to the Q1 than the S5 is to the Q3.
To address the OP's original question, which will be preferred should be evident after you hear them in similar settings with familiar music.