|Spark||Mavic Mini||Mavic Air|
|Sensors||Front, Bottom||Bottom||Front, Bottom, Back|
|Bitrate||24 MBPS||40 MPBS||100 MPBS|
|Video Size||1080p/30fps||4K, 2.7K/30fps;||2.7k,1080p/60fps|
Mavic Mini has surprised us with its 30-minute battery life, not seen before in such a small-sized drone.
Usually the smaller the quad, the less it stays in the air.
The Mavic Mini flies for 27 min in normal conditions while the Mavic Air for about 17 min and the spark is about 14 min.
This makes the Mavic Mini much more suitable as a reliable camera drone, as you simply don't have enough time with short battery life drones like Spark to carefully plan and shoot.
Mavic Mini is in a completely different segment if we consider the importance of weight.
If you are looking for a drone that is under 250 grams so you can fly it without registering in the US, Canada. Then Mavic Mini simply does not have any competition whatsoever.
If you do not care about registering your drone. The weight difference is not that significant, as all these drones are about as portable. Only the Spark seems to be slightly bulkier since it is not foldable.