the Wii U will just have lower graphics, less details, possibly less rendering and stuff like that, but it will still have good graphics and gameplay regardless. Hopefully, less ram won't put developers off making games for Wii U as for most games it probably won't make much difference, especially right now
Xbox One, PS4 and Switch (+ Many Retro Consoles)
'When the people are being beaten with a stick, they are not much happier if it is called the people's stick'- Mikhail Bakunin
Prediction: Switch will sell better than Wii U Lifetime Sales by Jan 1st 2018