It will be close, but I think PS4 will take it. PS4 is due for a price drop which will help it a lot this holiday. Switch will have Smash Bros and Pokemon Let's Go, which will help, but I don't think Pokemon Let's Go will shoot to the top of the sales charts like a mainline Pokemon game would. But Pokemon Let's Go has the potential to have really long legs. If the Pokemon Go fans like it, then it could sell for a very long time, but I don't think the core Pokemon fans are going to rush out and buy it immediately.
Anyway, I'll give it to PS4 this year, but it will be close.
curl-6 bet me that PS5 + X|S sales would reach 56m before year end 2023 and he was right.
My Bet With curl-6
My Threads:
Master Thread, Game of the Year/Decade
Switch Will Be #1 All Time
Zelda Will Outsell Mario (Achieved)
How Much Will MH Rise sell?
My Bet With Metallox