PS4 Pro vs Xbox One X

https://www.bigfishgames.com/blog/2016-video-game-statistics-and-trends/
https://www.bls.gov/TUS/CHARTS/LEISURE.HTM
https://en.wikipedia.org/wiki/List_of_best-selling_game_consoles
https://en.wikipedia.org/wiki/List_of_best-selling_Sega_Genesis_video_games
https://en.wikipedia.org/wiki/List_of_best-selling_Sega_Genesis_video_games
http://www.businessinsider.com/playstation-4-ps4-xbox-one-sales-2017-6
https://www.playstation.com/en-gb/explore/ps4/buy-ps4/buy-new-ps4/
https://www.xbox.com/en-US/xbox-one-x?&ocid=PLATFORM_SEM_google_cost%20xbox%20one&cid=PLATFORM_SEM_google_cost%20xbox%20one&wt.srch=1&wt.mc_id=AID_SEM_X9C0si4c#buy
https://www.playstation.com/en-us/explore/ps4/systems/
https://www.cnet.com/products/sony-playstation-4-pro/preview/
https://www.bestbuy.com/site/xbox-one/xbox-one-consoles/pcmcat303600050004.c?id=pcmcat303600050004
https://www.cnet.com/news/what-is-hdr-for-tvs-and-why-should-you-care/
https://www.tomsguide.com/us/xbox-one-x-vs-ps4-pro,review-4436.html
https://www.digitaltrends.com/gaming/ps4-pro-enhanced-games/