First, I don't have numbers so everything is speculation. Second, I didn't say that pure React is faster than pure D3. Instead I said that pure React could be

First, I don't have numbers so everything is speculation. Second, I didn't say that pure React is faster than pure D3. Instead I said that pure React could be faster than React + D3 (using Ref). See https://news.ycombinator.com/item?id=26630618 https://news.ycombinator.com/item?id=26630618 for the reasoning.