The Steam Hardware and Software Survey for September 2019 has shown some interesting changes in terms of PC video card usage. Although Nvidia still dominates the overall percentage share with the GeForce RTX 2060 going strong and the GeForce RTX 2070 SUPER making an appearance, AMD's Radeon RX 590 Series leads an upsurge in GPUs from the red team.
https://www.notebookcheck.net/SUPER-appearance-for-Nvidia-in-Steam-s-hardware-survey-but-there-s-also-plenty-of-love-for-AMD-s-Radeon-RX-590-series.439973.0.html