Via The Verge:
But despite jumping from $2.4 to $3.4 billion dollars, R&D spending stayed flat as an overall percentage of revenue — a scant 2.2 percent — thanks to a 45 percent increase in sales, to $156 billion. In comparison, rivals like Google and Microsoft spend around 15 percent of revenues, and Samsung sits in between at around 6 percent.
Quality, not quantity.