I'd say yes, but you'd feel this in about months or year time. Constant rate of growth is better than having instantaneous volatile rates (bounties which you are not really sure if would be great or turn into scam). Although the latter can be good when luck's on your side, but even so, with the right tools and knowledge, mining would be greater than bounty.
 
Although doing both would be a completely different approach, but why not? Why compare? If you do this two, you'll have a passive and an active income.