Across to this chart, we can see the Max FPS for a hand-held portables high speed camera is X8 Pro with 512,000 FPS, the throughput for X8 Pro is about 4,096,000,000 bps. The chips on it need to processed and stored 4G data per second. and X9 Pro's throughput is about 4,147,200,000 bps, almost the same. with different Max resolution and FPS, find the best one for you based on your application needs. not only the throughput but also the FPS and Max resolution.