Blackmagic Pocket 4k VS Hollywood Movie Camera | Arri Alexa XT

This is a comparison between the Blackmagic Pocket Cinema Camera 4k and the Arri Alexa XT - specifically in the movie Arrival. Do you think the Blackmagic Pocket 4k holds up? To see the Pocket footage in full screen 4k go here - https://youtu.be/yDGWDu7P234 This is my first YouTube video but I hope to make more soon. Purchase gear used in this video below. Sigma 18-35mm https://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_tl?ie=UTF8&tag=spensersakura-20&keywords=sigma 18-35&index=aps&camp=1789&creative