X on Raspbian is not GPU accelerated. Since the CPU (but not the GPU!) is a bit anemic even by current ARM SoC standards, that's a big deal. Firefox OS is acc

X on Raspbian is not GPU accelerated. Since the CPU (but not the GPU!) is a bit anemic even by current ARM SoC standards, that's a big deal. Firefox OS is accelerated, running on top of OpenGL ES. :)