The data clearly indicates that NVIDIA had a driver problem, but it's impossible to quantify the scope of that problem given the numbers above. NVIDIA holds a greater percentage of the market than ATI, which means that there will inevitably be a higher percentage of NVIDIA driver crashes than ATI driver crashes; however, the degree to which such market share considerations have affected the results above is hard to determine in the absence of more data. There's also the matter of data collection; Microsoft's charts do not clarify if multiple crashes from a single system each counted as separate events. In theory, NVIDIA's proportion of total driver crashes could be inflated by a relatively small handful of systems with severe driver issues.

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