I'm not buying either at launch but if i was it would be a PS4 with
Battlefield 4
Killzone
Watch Dogs (i would get AC4 on PS3 anyway)
Flower
Minecraft
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