Next gen
1. Wii 2 - Around 40% share
2. PS4 - Like 35% share
3. Xbox 720 - Remaining 25% share
Even though Nintendo wins again, Sony and Microsoft will both be profitable (Sony more then MS).
Next, next gen
1. Playstation 5 - 60% share
2. Nintendo console - 25% share
3. Xbox 1080 - 15% share