Sony A9G vs. A8G OLED Comparison | What's The Difference?

I've named the Sony A9G OLED as the best TV of the year, but how does the A8G stack up at $1000 - $1300 less? What's the difference between these two premium OLED TVs, and which might be the better buy for you? I dig into the difference and, more importantly, what those differences mean in the end. Comments welcome!