I've been playing around with and trying to review the GoPro Hero 3 Black since the holidays, a small sports-oriented portable camera which can record up to 4K15 video or 1080p60 video with impressive quality. Inside the GoPro Hero 3 Black is an Ambarella A7 camera system on chip, while the Hero 3 White and Silver contain the previous generation Ambarella A5S. Both the A5S and A7 are built on Samsung's 45nm CMOS process. During CES Ambarella announced their successor to the A7, the A9 (neither of which is to be confused with ARM's Cortex A7 or A9 CPU). This new camera SoC moves to Samsung's 32nm HK-MG process and brings both lower power consumption for the same workloads and the ability to record 4K30...