It's kinda obvious. You sell US$ 300 and US$ 60 games. The consoles just add a lot of brute revenue. But keep in mind that profit isn't the same as revenue. The US$ 600 PS3 was a great revenue, but being sold at a US$ 300 loss it just killed the profit of anything SCE was trying to sell.
Edit: Just to clarify, I'm not saying that Nintendo hardware isn't profitable. As far as I know the 3DS is sold at profit and the Wii U at basically cost price breaking even with a game. I'm just saying that the OP's method to compare revenue and profit isn't correct because it's obvious that a hardware company will have higher revenue because consoles are way more expensive than games, but that brute revenue isn't a indicator of a healthy business simply because profit is what matters.
In 2013, EA profited around US$ 100M, Activision profited around US$1B and Nintendo lost around US$ 400M.
