Below we find a useful comparison between R1 and MJX X400W from DBPOWER. MJX X400W reaches a maximum speed lower than that of R1. MJX X400W has a maximum autonomy time lower than that of R1. R1 is priced higher than MJX X400W. R1 and MJX X400W have a very similar volume. The first product appears to be heavier than the second. We provide here a summary designed for quick reading between R1 and MJX X400W. Published data is always indicative and may contain errors or be subject to change. Always check official sources.