Some table games generate better comps than others based on your time played and average bet. Games like roulette, Ultimate Texas Hold'em, three card poker, and other carnival games usually give you better comps compared to other common table games.
On the other hand, games like blackjack, craps, and baccarat do not generate comps as quickly. This difference comes from what is called "theoretical" value. The casino looks at the house edge of the game you play, your average bet, and how long you play or how many hands you get.
Games that are slower or have a smaller house edge will usually generate comps more slowly, while games that are faster or have a higher house edge will earn comps more quickly.
Even if your theoretical play does not generate many comps, you might still have strong "actual" play based on what you actually lose or bet. URComped can negotiate on your behalf to get you the best possible offer by considering both your theoretical and actual play no matter which games you prefer to play.