[stensal]

I want to avoid to do comparison with the said X tool without fully understanding their constraints because different approaches have made different design trade off and each has its own strength. That having been said, the academia often publish some survey papers about the state of art of memory error detection tools. There is a recent paper "SoK: Sanitizing for Security"(https://arxiv.org/abs/1806.04355) that has categorized most of the known dynamic memory error finding tools very well. They analyzed the different detection mechanisms and collected empirical data with their best efforts in their categorization. It's highly recommended for anyone who wants to understand the difference among these detection tools.

IMHO, If you want to increase your detection coverage. You might need multiple tools to fulfill your code quality requirements. If you cannot use multiple tools, pick the one that is readily available.