it was an economy/efficiency choice. it was either an American Nvidia model or a Japanese DMP. A high res camera wasn't needed, nor were the programmable shad

it was an economy/efficiency choice. it was either an American Nvidia model or a Japanese DMP. A high res camera wasn't needed, nor were the programmable shaders that Tegra 2 offered -- Nintendo decided to go with the chip that ran cooler, longer, was produced with a local IP, and came with tessellation for almost-free.