Which Cryptocurrency GPU mining card to invest in?

The two visualizations below summarize the excellent article and testing done by Tom's hardware on cryptocurrency mining GPUs. Of course this is a volatile market and industry with things constantly changing, the two viz below provides a simple comparative way to look at how should you deploy your ressources. Invest wisely.

Breakeven vs purchase price: ( a lot of data point to display, so right click on image and click open in new tab)

Profit vs Efficiency: ( a lot of data point to display, so right click on image and click open in new tab)